Cumberland Weather in September

What's the weather like in Cumberland (Rhode Island) in September 2025?

The climate in Cumberland during September can be summarized as mild 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 23°C (73°F), whilst at night 11°C (53°F) is normal.

Cumberland weather averages (imperial / metric)
Daytime temperature 23°C 73.4°F
Nightly temperature 11.4°C 52.5°F
Average temperature 17.2°C 63°F
Daily sunshine 8.2 hrs
Avg rainfall 93 mm 3.6 ins
Rainy days 8 days
Sea temperature 19.4°C 66.9°F
Humidity 73%
Windspeed 14.4kph 9 mph

On average September is the 4th driest month of the year in Cumberland with around 93mm 3.6 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 8.2 hours of sunshine per day.

September temperatures in Cumberland

Cumberland average temperature in September

September rainfall

Cumberland average rain in September

September hourly sunshine

Cumberland average rain in September

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.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Cumberland weather stats

Cumberland weather statistics
Hottest month: July 27.6°C 81.7°F
Driest month: June 83mm 3.3ins
Sunniest month: July 9.9hrs
Coldest month: January 1.6°C 34.9°F
Wettest month: November 116mm 4.6ins
Map showing location of Cumberland (41.96677, -71.43284) Cumberland map pin © Google

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