Click on a day for an hourly weather forecast
The temperatures in Wellingborough 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 Wellingborough 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 Wellingborough in September 2025.
If you’re planning to visit Wellingborough in the near future, we highly recommend that you review the 14 day weather forecast for Wellingborough before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 1° | 6 | 20 | 4 | 51 mm | Awful | Wellingborough in January |
| February | 7° / 2° | 7 | 16 | 5 | 54 mm | Awful | Wellingborough in February |
| March | 10° / 3° | 5 | 24 | 2 | 51 mm | Bad | Wellingborough in March |
| April | 13° / 4° | 4 | 25 | 1 | 47 mm | Ok | Wellingborough in April |
| May | 16° / 7° | 5 | 26 | 0 | 75 mm | Good | Wellingborough in May |
| June | 18° / 10° | 6 | 24 | 0 | 96 mm | Good | Wellingborough in June |
| July | 21° / 12° | 5 | 26 | 0 | 88 mm | Good | Wellingborough in July |
| August | 21° / 13° | 5 | 26 | 0 | 81 mm | Good | Wellingborough in August |
| September | 19° / 11° | 3 | 27 | 0 | 43 mm | Good | Wellingborough in September |
| October | 14° / 8° | 6 | 25 | 0 | 63 mm | Good | Wellingborough in October |
| November | 10° / 5° | 6 | 24 | 0 | 54 mm | Ok | Wellingborough in November |
| December | 7° / 3° | 7 | 22 | 3 | 65 mm | Awful | Wellingborough in December |