The temperatures in Cumbria in September are quite cold with temperatures between 7°C and 13°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Cumbria 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 Cumbria in September 2025.
If you’re planning to visit Cumbria in the near future, we highly recommend that you review the 14 day weather forecast for Cumbria before you arrive.
Temperatures
13° / 7°
Rainy Days
6
Snowy Days
0
Dry Days
23
Rainfall
89
mm
Sun Hours
6.1
Hrs
