Click on a day for an hourly weather forecast
The temperatures in St Albans in September are usually low and can range between 11°C and 19°C.
You can expect about 3 to 8 days of rain in St Albans during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in St Albans in September 2025.
If you’re planning to visit St Albans in the near future, we highly recommend that you review the 14 day weather forecast for St Albans before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 7 | 20 | 4 | 61 mm | Awful | St Albans in January |
| February | 7° / 2° | 8 | 16 | 5 | 63 mm | Awful | St Albans in February |
| March | 10° / 3° | 4 | 25 | 2 | 52 mm | Bad | St Albans in March |
| April | 14° / 5° | 4 | 25 | 1 | 47 mm | Good | St Albans in April |
| May | 16° / 8° | 5 | 26 | 0 | 71 mm | Good | St Albans in May |
| June | 19° / 11° | 5 | 25 | 0 | 95 mm | Good | St Albans in June |
| July | 22° / 13° | 5 | 26 | 0 | 79 mm | Good | St Albans in July |
| August | 21° / 14° | 5 | 26 | 0 | 78 mm | Good | St Albans in August |
| September | 19° / 11° | 3 | 27 | 0 | 43 mm | Good | St Albans in September |
| October | 15° / 9° | 6 | 25 | 0 | 66 mm | Good | St Albans in October |
| November | 10° / 6° | 6 | 24 | 0 | 61 mm | Ok | St Albans in November |
| December | 7° / 3° | 7 | 21 | 2 | 71 mm | Awful | St Albans in December |