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.
Temperatures
17° / 9°
Rainy Days
6
Snowy Days
0
Dry Days
24
Rainfall
75
mm
Sun Hours
8.3
Hrs
