Chicopee Weather in September

What's the weather like in Chicopee (Massachusetts) in September 2025?

The climate in Chicopee during September can be summarized as mild and a little damp.

September is in the fall / autumn in Chicopee and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 10°C (49°F) is normal.

Chicopee weather averages (imperial / metric)
Daytime temperature 23.3°C 73.9°F
Nightly temperature 9.5°C 49.1°F
Average temperature 16.4°C 61.5°F
Daily sunshine 7.9 hrs
Avg rainfall 90 mm 3.6 ins
Rainy days 9 days
Sea temperature 18.9°C 66°F
Humidity 74%
Windspeed 13kph 8 mph

On average September is the 6th wettest month of the year in Chicopee with around 90mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.9 hours of sunshine per day.

September temperatures in Chicopee

Chicopee average temperature in September

September rainfall

Chicopee average rain in September

September hourly sunshine

Chicopee 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 Chicopee 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

Chicopee weather stats

Chicopee weather statistics
Hottest month: July 28.2°C 82.8°F
Driest month: January 77mm 3ins
Sunniest month: July 10.1hrs
Coldest month: January 0.1°C 32.2°F
Wettest month: November 99mm 3.9ins
Map showing location of Chicopee (42.17256, -72.59491) Chicopee map pin © Google

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