Click on a day for an hourly weather forecast
The temperatures in Ewell in September are usually low and can range between 12°C and 19°C.
You can expect about 3 to 8 days of rain in Ewell 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 Ewell in September 2025.
If you’re planning to visit Ewell in the near future, we highly recommend that you review the 14 day weather forecast for Ewell before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / 3° | 7 | 20 | 4 | 62 mm | Awful | Ewell in January |
| February | 8° / 3° | 7 | 16 | 4 | 59 mm | Awful | Ewell in February |
| March | 11° / 4° | 4 | 25 | 2 | 44 mm | Bad | Ewell in March |
| April | 14° / 6° | 3 | 26 | 1 | 37 mm | Good | Ewell in April |
| May | 17° / 8° | 4 | 27 | 0 | 50 mm | Good | Ewell in May |
| June | 20° / 11° | 4 | 26 | 0 | 68 mm | Good | Ewell in June |
| July | 22° / 14° | 5 | 26 | 0 | 59 mm | Good | Ewell in July |
| August | 22° / 14° | 4 | 27 | 0 | 61 mm | Good | Ewell in August |
| September | 19° / 12° | 3 | 27 | 0 | 40 mm | Good | Ewell in September |
| October | 15° / 10° | 5 | 26 | 0 | 67 mm | Good | Ewell in October |
| November | 11° / 6° | 6 | 23 | 0 | 64 mm | Ok | Ewell in November |
| December | 8° / 4° | 6 | 22 | 3 | 70 mm | Bad | Ewell in December |