The climate in Cumberland during September can be summarized as warm and a little damp.
September is in the fall / autumn in Cumberland and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 27°C (80°F), whilst at night 13°C (56°F) is normal.
Daytime temperature | 26.8°C 80.2°F |
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Nightly temperature | 13.1°C 55.5°F |
Average temperature | 19.9°C 67.8°F |
Daily sunshine | 8.1 hrs |
Avg rainfall | 86 mm 3.4 ins |
Rainy days | 8 days |
Sea temperature | 23.7°C 74.7°F |
Humidity | 75% |
Windspeed | 10.8kph 7 mph |
On average September is the 6th wettest month of the year in Cumberland with around 86mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.1 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cumberland in September 2025.
Best places to visit in September
Hottest month: | July | 30.4°C 86.7°F |
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Driest month: | April | 79mm 3.1ins |
Sunniest month: | June | 10.3hrs |
Coldest month: | January | 7.3°C 45.1°F |
Wettest month: | July | 109mm 4.3ins |