Click on a day for an hourly weather forecast
The temperatures in Wrexham in September are quite cold with temperatures between 9°C and 17°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Wrexham 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 Wrexham in September 2025.
If you’re planning to visit Wrexham in the near future, we highly recommend that you review the 14 day weather forecast for Wrexham before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 9 | 17 | 5 | 80 mm | Awful | Wrexham in January |
| February | 7° / 2° | 7 | 16 | 5 | 74 mm | Awful | Wrexham in February |
| March | 10° / 2° | 7 | 22 | 3 | 71 mm | Awful | Wrexham in March |
| April | 12° / 4° | 6 | 23 | 1 | 66 mm | Ok | Wrexham in April |
| May | 15° / 6° | 8 | 23 | 0 | 91 mm | Ok | Wrexham in May |
| June | 18° / 9° | 8 | 22 | 0 | 121 mm | Ok | Wrexham in June |
| July | 20° / 11° | 9 | 22 | 0 | 111 mm | Ok | Wrexham in July |
| August | 19° / 11° | 6 | 25 | 0 | 95 mm | Good | Wrexham in August |
| September | 17° / 9° | 6 | 24 | 0 | 75 mm | Good | Wrexham in September |
| October | 14° / 8° | 6 | 25 | 0 | 85 mm | Good | Wrexham in October |
| November | 10° / 5° | 9 | 20 | 1 | 97 mm | Bad | Wrexham in November |
| December | 7° / 3° | 8 | 20 | 2 | 86 mm | Awful | Wrexham in December |