Click on a day for an hourly weather forecast
The temperatures in Thatcham 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 Thatcham 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 Thatcham in September 2025.
If you’re planning to visit Thatcham in the near future, we highly recommend that you review the 14 day weather forecast for Thatcham before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / 2° | 6 | 22 | 3 | 47 mm | Bad | Thatcham in January |
| February | 8° / 2° | 7 | 18 | 3 | 47 mm | Bad | Thatcham in February |
| March | 10° / 3° | 4 | 26 | 1 | 36 mm | Ok | Thatcham in March |
| April | 13° / 4° | 3 | 26 | 1 | 33 mm | Ok | Thatcham in April |
| May | 16° / 7° | 3 | 28 | 0 | 45 mm | Good | Thatcham in May |
| June | 19° / 10° | 4 | 26 | 0 | 52 mm | Good | Thatcham in June |
| July | 21° / 12° | 4 | 27 | 0 | 49 mm | Good | Thatcham in July |
| August | 21° / 13° | 4 | 27 | 0 | 47 mm | Good | Thatcham in August |
| September | 19° / 11° | 3 | 27 | 0 | 31 mm | Good | Thatcham in September |
| October | 15° / 9° | 5 | 26 | 0 | 53 mm | Good | Thatcham in October |
| November | 10° / 5° | 5 | 24 | 0 | 53 mm | Ok | Thatcham in November |
| December | 8° / 4° | 6 | 23 | 2 | 53 mm | Bad | Thatcham in December |