Click on a day for an hourly weather forecast
The temperatures in Wallasey in September are usually low and can range between 11°C and 17°C.
You can expect about 3 to 8 days of rain in Wallasey 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 Wallasey in September 2025.
If you’re planning to visit Wallasey in the near future, we highly recommend that you review the 14 day weather forecast for Wallasey before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / 3° | 11 | 17 | 3 | 100 mm | Awful | Wallasey in January |
| February | 8° / 3° | 9 | 16 | 4 | 86 mm | Awful | Wallasey in February |
| March | 10° / 4° | 7 | 22 | 2 | 75 mm | Awful | Wallasey in March |
| April | 13° / 5° | 5 | 25 | 0 | 62 mm | Ok | Wallasey in April |
| May | 15° / 8° | 7 | 24 | 0 | 84 mm | Ok | Wallasey in May |
| June | 18° / 11° | 7 | 23 | 0 | 106 mm | Ok | Wallasey in June |
| July | 19° / 13° | 8 | 23 | 0 | 116 mm | Ok | Wallasey in July |
| August | 19° / 13° | 7 | 24 | 0 | 122 mm | Ok | Wallasey in August |
| September | 17° / 11° | 7 | 23 | 0 | 96 mm | Ok | Wallasey in September |
| October | 14° / 9° | 8 | 23 | 0 | 107 mm | Ok | Wallasey in October |
| November | 10° / 6° | 9 | 20 | 0 | 124 mm | Bad | Wallasey in November |
| December | 8° / 4° | 10 | 19 | 2 | 110 mm | Awful | Wallasey in December |