Click on a day for an hourly weather forecast
The temperatures in Widnes 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 Widnes 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 Widnes in September 2025.
If you’re planning to visit Widnes in the near future, we highly recommend that you review the 14 day weather forecast for Widnes before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 7 | 21 | 3 | 47 mm | Awful | Widnes in January |
| February | 8° / 2° | 6 | 19 | 3 | 40 mm | Bad | Widnes in February |
| March | 10° / 3° | 4 | 26 | 1 | 36 mm | Ok | Widnes in March |
| April | 13° / 5° | 3 | 26 | 0 | 27 mm | Ok | Widnes in April |
| May | 16° / 7° | 4 | 27 | 0 | 40 mm | Good | Widnes in May |
| June | 19° / 10° | 5 | 25 | 0 | 51 mm | Good | Widnes in June |
| July | 20° / 12° | 4 | 27 | 0 | 56 mm | Good | Widnes in July |
| August | 20° / 12° | 4 | 27 | 0 | 56 mm | Good | Widnes in August |
| September | 18° / 11° | 3 | 27 | 0 | 40 mm | Good | Widnes in September |
| October | 14° / 8° | 5 | 26 | 0 | 47 mm | Good | Widnes in October |
| November | 10° / 5° | 5 | 24 | 0 | 54 mm | Ok | Widnes in November |
| December | 7° / 3° | 6 | 23 | 2 | 50 mm | Bad | Widnes in December |