The month so far - in the British Isles

The data below are for the month of Sep 2025.

Data for last month can be found here

 site -09GMT MSL Pressure- --Rainfall-- --Maximum Temp--- --Minimum Temp--- --Sunshine-- Mean Temp Rain -Sun Pres09                      
        mean   high    low  Total 12hMx  Mean  High   Low  Mean  High   Low  Total   Max Temp Anom             Anom                      
          mb     mb     mb     mm    mm     C     C     C     C     C     C     hr    hr    C    C    %    %     mb                      
03002 1008.8 1030.8  988.9               15.3  18.9  10.5  10.5  15.1   1.8              12.9 +1.5                   Baltasound          
03005                                                                        159.5  10.9                 160         Lerwick             
03008 1008.1 1030.3  986.3   37.6   6.0  14.4  17.1  10.7  11.4  14.3   6.0              12.9 +1.5   49              Fair Isle           
03017 1007.8 1029.6  984.8                                 10.2  14.0   5.8  158.7  11.2                 147         Kirkwall            
03023 1006.5 1030.2  980.1                                 10.7  15.8   5.9                                          South Uist Range    
03026                        75.4   8.0                                                              73              Stornoway           
03031 1008.2 1031.0  984.3  120.0  28.0  14.5  19.7   9.9   6.4  13.3  -1.5   95.0  10.4 10.5 -0.4   90  103         Loch Glascarnoch    
03034 1007.6 1030.7  981.8   83.0  16.0  16.1  22.7  12.2  10.2  16.6   5.2              13.1 +0.4   67              Aultbea             
03044                                                       7.0  14.7  -3.0  124.9  10.6                 123         Altnaharra          
03062 1008.3 1030.6  984.3   47.4  13.0  17.4  22.9  12.5   7.4  14.9  -1.1              12.4 +0.2   90              Tain Range          
03063 1008.8 1031.2  986.0                                                    96.5   8.5                  87         Aviemore            
03066 1008.6 1031.0  985.7                                  8.7  15.1   0.1  134.4   9.7                 109         Kinloss             
03068 1008.7 1030.8  985.7                                  8.8  15.2   0.7                                          Lossiemouth         
03075 1008.1 1030.0  985.0                                 10.3  14.5   3.2                                          Wick                
03080 1009.4 1031.1  985.1   47.8  11.0  16.6  20.6  11.4   6.4  14.5  -0.4              11.5 -0.3   80              Aboyne              
03088 1009.8 1031.5  985.2   20.6   6.0  15.7  20.0  11.6   9.7  13.9   2.3              12.7                        Inverbervie         
03091                        60.2  22.0                     9.4  14.8   0.9  134.2  11.0             99  107         Aberdeen Dyce       
03171 1010.3 1031.6  986.3                                  8.7  14.9   2.1  145.6  10.1                 104         Leuchars            
03100 1007.9 1030.9  986.0  154.2  19.0  15.3  17.2  12.7  11.0  15.5   5.2  104.9   9.6 13.1 +0.4  148   80   -4.5  Tiree               
03105 1009.6 1031.6  989.8                                 10.2  16.1   2.2                                          Port Ellen          
03111 1009.5 1030.8  989.3  135.0  43.0  16.1  20.1  13.5  10.4  16.1   2.5              13.2                        Machrihanish        
03132 1010.7 1031.2  990.1                                  9.3  17.3   0.5                                          West Freugh         
03134 1010.2 1031.2  988.2   91.8   8.0  16.4  19.8  12.8   8.8  15.3   1.1  102.9  10.3 12.6 -0.3   84   87         Glasgow Bishopton   
03136 1010.2 1031.2  989.0                                 10.1  16.4   0.9  106.5   9.6                  88         Prestwick           
03144 1010.4 1032.1  987.1   76.4   9.0  16.7  19.8  12.9   7.9  15.1  -0.5              12.3 -0.3  110              Strathallan         
03153 1010.6 1030.7  989.5               15.4  18.4  13.3                                                            Dundrennan          
03155 1010.4 1031.2  988.3   73.4  10.0  15.0  19.2  11.3   8.1  15.1   0.6              11.5 -0.2  107              Drumalbin           
03158                        74.4  13.0  17.2  20.8  13.5   8.3  14.1   1.4  136.2   9.8 12.7 -0.1  124   97         Charterhall         
03162 1011.2 1031.6  988.8  176.6  31.0  15.2  18.3  12.0   7.2  12.8  -1.9              11.2 -0.2  134        -3.2  Eskdalemuir         
03166 1010.3 1031.3  987.5                                  9.0  15.9  -0.3  135.9   9.8                 108         Edinburgh Gogarbank 
03204 1011.3 1031.4  989.2                                 11.6  16.6   6.4  123.7  10.7                  85         Ronaldsway          
03210 1011.4 1031.1  989.9  144.2  14.0  15.4  18.7  12.8  10.5  17.2   4.3              13.0 -0.3  147              St Bees Head        
03212                       224.8  24.0  16.6  20.4  12.8                                           181              Keswick             
03214                       166.4  19.0  17.1  22.9  13.1  11.3  17.2   3.6              14.2                        Walney Island       
03220 1011.5 1031.5  989.4  150.8  16.0  17.0  21.5  13.5  10.0  16.8   1.0              13.5 +0.0  194              Carlisle            
03224 1011.4 1031.4  989.4                                  7.5  13.2   0.2                                          Spadeadam           
03225 1011.8 1031.2  990.3  244.0  24.0  15.2  20.2  10.9   7.4  15.7  -1.9  101.4  10.4 11.3 -0.3  186              Shap Fell           
03226 1011.8 1031.1  990.1  161.8  25.0  15.4  19.6  11.1   8.2  15.3  -0.8              11.8 -0.5  219              Warcop Range        
03230 1011.4 1031.7  988.6  124.4  18.0  16.0  19.5  12.5   6.4  13.2  -1.5              11.2 -0.4  183              Redesdale           
03238 1011.3 1031.3  989.0                                  8.4  14.7   1.7                                          Albermarle          
03240 1011.5 1032.0  987.9   69.2  10.0  16.9  20.9  13.3   9.6  14.6   5.2  165.1  11.3 13.3 +0.1  131  118         Boulmer             
03257 1012.6 1031.5  990.6   99.0  30.0  18.3  23.1  12.2   9.2  17.7   2.0  132.8  10.6 13.7 +0.2  174  100   -2.1  Leeming             
03265 1012.8 1031.6  990.8                                  8.9  16.5   0.9                                          Topcliffe           
03275 1012.1 1031.4  990.2                                                                                           Loftus              
03292 1012.7 1030.9  991.0   57.8  11.0  18.6  22.4  13.7  11.2  16.4   6.3              14.9 +0.7  114              Bridlington         
03344 1012.6 1031.2  990.3                                                                                           Bingley             
03346                       115.8  23.0                                                                              Emley Moor No.2     
03354                                                                        128.5  10.7                  93         Nottingham Wea Cen  
03377 1013.6 1030.4  990.8   74.8  12.0  18.9  25.5  14.4  10.3  15.8   4.7  137.6  10.8 14.6 +0.2  144   94   -1.7  Waddington          
03379 1013.7 1030.2  991.0                                                                                           Cranwell            
03382 1013.0 1030.9  990.8   96.8  21.0  18.7  23.7  13.9   9.7  16.4   3.7  142.4  10.7 14.2 +0.1  166   99         Leconfield          
03385 1013.5 1030.3  991.0               18.7  23.4  13.7  11.1  17.0   5.9              14.9                        Donna Nook          
03391 1013.9 1030.0  992.3                                                                                           Coningsby           
03392 1013.9 1029.5  991.4                                                                                           Wainfleet           
03302 1012.1 1031.0  989.8                                                   132.8  11.2                  88   -2.9  Valley              
03301 1012.4 1031.2  990.1  169.4  35.0  16.9  21.0  13.0   9.6  16.4   3.4              13.3                        Raf Mona            
03305 1012.6 1031.3  990.1  329.0  41.0  15.5  20.1  12.5   9.3  15.7   1.2              12.4 -0.3  159              Capel Curig         
03313 1012.5 1031.2  989.8  139.6  27.0  17.5  21.3  12.9  10.3  18.1   3.7              13.9 -0.1  191              Rhyl                
03316 1012.6 1031.3  990.0                                                                                           Crosby              
03318 1012.3 1031.3  990.0  130.0  27.0  17.5  22.0  13.5                                           156              Blackpool           
03321 1013.0 1031.4  990.4   92.0  19.0  18.3  22.2  13.8   9.5  17.2   1.5  123.5  11.2 13.9 -0.1  148   87         Hawarden            
03409 1012.7 1031.1  990.1  213.0  29.0  16.3  20.7  13.8   8.7  17.2   1.0   81.5   8.2 12.5                        Bala                
03410 1012.7 1030.4  990.4  219.8  35.0  14.5  18.2  11.3   8.6  14.9   2.7   83.5  10.0 11.6 -0.6  181   70         Lake Vrynwy         
03503 1013.1 1030.7  991.3                                                                                           Trawscoed           
03604 1013.2 1030.6  991.8  174.6  27.0  17.3  21.0  14.2  11.8  17.5   5.7              14.6 -0.1  216              Milford Haven       
03605                                                      10.6  18.6   1.8                                          Pembrey Sands       
03716 1014.1 1030.1  993.3  142.4  20.0  18.2  22.8  15.9  11.7  18.1   5.0  140.0   9.9 15.0 +0.1  175   87         St Athan            
03330 1013.1 1030.2  990.6                                                                                           Leek Thorncliffe    
03414 1013.3 1031.0  990.7                                                   125.3  10.3                  93         Shawbury            
03520                        91.2  19.0                     7.8  15.7   0.6  130.0  10.4            155   87         Shobdon             
03522 1014.3 1031.0  991.7                                                                                           Hereford Credenhill 
03529 1014.5 1031.0  992.4   64.6  12.0  19.7  24.0  16.0   9.5  17.4  -0.2              14.6 +0.0  124              Pershore            
03544 1013.9 1030.1  991.8   56.8  13.0  18.5  23.8  15.1   9.9  17.2   2.2              14.2 -0.1   98              Church Lawford      
03647 1014.0 1029.6  992.9                                                                                           Little Rissington   
03649 1014.6 1029.9  993.9                                                   157.5  10.8                 104         Brize Norton        
03658 1014.8 1029.4  994.8   74.8  11.0  19.4  25.9  14.4   9.0  17.6  -0.7              14.2 -0.1  150              Benson              
03469 1014.0 1029.4  991.7               19.8  27.1  15.4                                                            Holbeach            
03482 1014.5 1029.2  992.8                                                                                           Marham              
03488 1014.1 1029.1  992.5   39.6   9.0  19.4  25.4  14.3  11.5  17.2   5.8  163.3  10.7 15.5 +0.4   74              Weybourne           
03560                        53.4  11.0  19.5  26.9  15.0  10.1  17.4   5.4              14.8 +0.2  107              Bedford             
03590                        37.2   7.0  19.5  24.9  15.2  10.3  17.2   4.4  167.7  10.9 14.9 +0.3   74  105         Wattisham           
03684 1014.8 1028.3  994.6   30.4   6.0  19.3  26.4  15.7  10.1  16.9   4.8              14.7 +0.0   63              Andrewsfield        
03693 1015.4 1028.1  996.4                                                   176.4  11.6                 109         Shoeburyness        
03707 1014.3 1030.3  992.9                                                                                           Chivenor            
03710 1014.0 1029.3  993.2  180.8  24.0  16.3  19.4  13.3   9.2  15.9   4.2   96.0  10.4 12.8 -0.3  166   70         Liscombe            
03740 1014.7 1030.0  994.1   52.2   7.0  18.2  23.6  13.8  10.0  17.4   3.8  140.6  11.4 14.1 -0.2   95   91   -1.6  Lyneham             
03743 1014.9 1029.3  995.3                                                                                           Larkhill            
03803 1014.4 1029.4  994.0                                                                                           Scilly/St. Marys    
03808                       126.6  12.0  17.1  20.5  14.3  11.6  17.2   6.7  140.8  11.4 14.3 -0.4  163   88         Camborne            
03809 1014.4 1029.7  993.5                                                                                           Culdrose RNAS       
03823                       137.2  14.0                    10.2  16.3   5.2                         135              Cardinham           
03827 1014.7 1028.9  993.9  106.8  22.0  18.5  21.1  15.8  11.3  18.1   4.7              14.9 -0.1  148              Plymouth            
03840 1014.5 1029.5  994.0                                                                                           Dunkeswell          
03853 1014.9 1029.9  994.8                                                   147.6  10.5                  99         Yeovilton           
03857 1015.1 1029.2  995.7   62.8  13.0  18.0  20.2  14.6  13.5  17.8   8.4              15.8 +0.0  136              Isle of Portland    
03672 1015.1 1029.0  995.5                                                                                           Northolt            
03746 1015.0 1029.2  995.4                                                                                           Boscombe Down       
03749 1015.0 1029.1  995.6   73.2  16.0  18.8  24.8  13.6  10.0  16.8   4.0              14.4 -0.2  125              Middle Wallop       
03761                                                                        157.7  10.3                 100         Odiham              
03769                                                                        149.5   9.8                  96         Charlwood           
03770                        16.4   4.0                                                                              St James Park       
03772                                                                        159.7  10.0                 102         Heathrow            
03796 1015.7 1026.9  998.5               18.3  24.9  14.4  12.3  16.4   7.5              15.3                        Langdon Bay         
03797 1015.5 1027.0  998.1                                                   155.4  10.5                  90   -0.8  Manston             
03862                        83.8  18.0  19.2  22.0  15.4   9.7  17.1   1.4  158.9  10.8 14.4 -0.1  121   97         Bournemouth Hurn    
03866 1015.2 1028.2  996.8   58.8   9.0  18.2  22.2  14.8  13.6  18.0   7.9              15.9                        St Catherines Point 
03872 1015.3 1028.4  996.6   83.0  15.0  18.9  22.5  14.2  11.6  17.1   5.4              15.3 -0.2  135              Thorney Island      
03876 1015.6 1028.1  997.1   95.0  11.0  19.0  22.8  14.8  11.1  18.0   4.3              15.1 +0.1  161              Shoreham            
03882 1015.6 1027.5  998.2                                                   129.9   8.7                  81         Herstmonceux        
03894 1016.0 1028.1  997.6               18.1  22.8  13.9  13.4  18.2  10.5              15.8 +0.1             -2.0  Guernsey Airport    
03895                        65.2  11.0  19.0  23.9  14.8  13.3  17.5   9.0  141.9  10.7 16.1                        Jersey Airport      
03901 1009.4 1031.6  989.3  113.0  17.0  16.1  19.0  13.3   9.2  15.8   2.0   99.0  10.5 12.7                        Thomastown          
03904 1009.3 1031.6  990.0                                                                                           Castlederg          
03907 1009.3 1031.6  989.8  105.0  11.0  16.7  19.4  13.3  10.1  17.1   3.1  105.1  10.3 13.4                        Magilligan          
03911 1009.9 1031.5  990.1  150.6  22.0  14.6  17.2  10.9   8.5  14.7   2.1              11.5 -0.4  146              Lough Fea           
03915 1009.4 1031.1  989.7                                                                                           Port Glenone        
03916 1009.6 1031.4  990.1  116.2  19.0  15.1  18.1  12.2   9.6  15.0   5.8              12.3 -0.1  117              Ballypatrick Forest 
03917 1010.1 1031.6  989.8   86.0  13.0  16.3  18.9  12.7  10.1  16.4   3.2  100.7   9.3 13.2 -0.1  124   83   -3.9  Aldergrove          
03923 1009.8 1031.1  989.2                                                                                           Glennane            
03953 1011.8 1032.5  994.2  200.1  21.0  16.0  17.9  13.5  11.3  14.3   4.3              13.7 -0.4  159        -3.6  Valentia            
03955 1012.0 1032.0  992.0  104.7  19.0  16.2  18.6  13.9   9.6  14.0   4.6  132.5  10.0 12.9 -0.4  115  103   -3.5  Cork Airport        
03956 1012.1 1031.1  990.9  149.6  17.0                    10.4  15.8   5.8                                          Johnstown Castle    
03962 1011.2 1032.8  992.0  132.9  16.0  17.0  20.9  14.3  10.5  14.7   3.0  149.2  10.0 13.8 -0.4  172  126   -3.7  Shannon Airport     
03967 1011.0 1031.7  989.5   70.3  11.0  17.0  20.5  13.2   9.0  16.7   1.1  130.3   9.1 13.0 -0.2  113  105         Casement Aerodrome  
03969 1011.2 1031.7  989.6   86.1  13.0  16.7  20.0  13.2   9.5  16.3   1.8  128.7  10.4 13.1 +0.1  140   99   -3.6  Dublin Airport      
03973 1009.4 1032.0  990.4  167.0  19.0  15.3  19.0  12.4   8.8  13.3   4.4   87.2   9.7 12.0                        Connaught Airport   
03976 1008.8 1032.5  990.8  102.4  13.0  16.0  19.2  13.9  11.1  14.7   4.7              13.6 -0.2  100        -4.9  Belmullet           
03952 1012.1 1031.8  991.8   80.8  17.0  16.6  19.1  14.3  11.4  15.3   7.0              14.0                        Roches Point        
03970 1010.0 1032.5  991.0  140.2  18.0                                                                              Claremorris         
03971 1010.6 1032.0  989.4   88.0  17.0  16.5  19.4  13.0   8.6  15.8   1.1              12.6       115              Mullingar           
03978 1009.3 1032.0  990.4  158.3  22.0                    10.1  15.6   3.9                                          Finner              
03961 1011.8 1032.3  990.6   82.9  17.0  17.3  20.9  13.2   9.2  16.0   0.9              13.2                        Oak Park            
03966 1011.0 1032.6  990.3  105.8  15.0                                                                              Gurteen             
03963 1009.8 1032.6  992.2  116.9  20.0  15.8  17.7  13.9  12.0  14.1   6.0              13.9                        Mace Head           
03951 1012.3 1032.2  993.0  158.1  21.0  16.2  17.7  14.0  11.9  14.4   5.9              14.0                        Sherkin Island      
03980 1008.6 1031.1  988.4  118.0  13.0  16.0  17.9  12.1  10.8  16.3   6.2              13.4 +0.1  125        -4.5  Malin Head          
 site -09GMT MSL Pressure- --Rainfall-- --Maximum Temp--- --Minimum Temp--- --Sunshine-- Mean Temp Rain -Sun Pres                        
The data above are for the month of Sep 2025 ending at 18GMT on day 30.

Averages refer to the period 1991-2020 in all cases.

09GMT MSL Pressure (mb) : mean, highest and lowest MSL pressure at 0900GMT
Rainfall (mm) : total starting 0600GMT/1st, and greatest 12-hour fall ending 06GMT or 18GMT
Maximum Temperature (degC) : for the period 06-18GMT, mean, highest and lowest
Minimum Temperature (degC) : for the period 18-06GMT, mean, highest and lowest
Sunshine (h) : total and highest daily value
Mean Temperature (degC) : the average of the mean maximum and mean minimum
Temperature anomaly (degC) : the departure from the climatological average
Rainfall percentage (%) : the monthly total as a percentage of the climatological average
Sunshine percentage (%) : the monthly total as a percentage of the climatological average (an asterisk denotes site now uses a Kipp-Zonen instrument). This change was made to the tables on 27.08.2008. Climatological averages are for 30-years of pseudo-KZ observations in this case)
Pressure anomaly (mb) : the departure from the climatological average