Click on a day for an hourly weather forecast
The temperatures in Bath in September are usually low and can range between 11°C and 18°C.
You can expect about 3 to 8 days of rain in Bath 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 Bath in September 2025.
If you’re planning to visit Bath in the near future, we highly recommend that you review the 14 day weather forecast for Bath before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / 2° | 8 | 20 | 3 | 58 mm | Awful | Bath in January |
| February | 8° / 3° | 8 | 17 | 4 | 58 mm | Awful | Bath in February |
| March | 10° / 3° | 6 | 23 | 2 | 49 mm | Bad | Bath in March |
| April | 13° / 4° | 4 | 25 | 1 | 41 mm | Ok | Bath in April |
| May | 15° / 7° | 4 | 27 | 0 | 56 mm | Good | Bath in May |
| June | 18° / 10° | 5 | 25 | 0 | 63 mm | Good | Bath in June |
| July | 20° / 13° | 5 | 26 | 0 | 65 mm | Good | Bath in July |
| August | 20° / 13° | 6 | 25 | 0 | 70 mm | Good | Bath in August |
| September | 18° / 11° | 4 | 26 | 0 | 43 mm | Good | Bath in September |
| October | 14° / 9° | 6 | 25 | 0 | 76 mm | Good | Bath in October |
| November | 10° / 6° | 7 | 23 | 1 | 73 mm | Bad | Bath in November |
| December | 8° / 4° | 7 | 22 | 2 | 73 mm | Awful | Bath in December |