Chesterfield Weather in September

What's the weather like in Chesterfield (Virginia) in September 2025?

The climate in Chesterfield during September can be summarized as warm, humid and a little damp.

September is in the fall / autumn in Chesterfield and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 14°C (58°F) is normal.

Chesterfield weather averages (imperial / metric)
Daytime temperature 27.2°C 80.9°F
Nightly temperature 14.3°C 57.7°F
Average temperature 20.7°C 69.3°F
Daily sunshine 8.3 hrs
Avg rainfall 87 mm 3.4 ins
Rainy days 8 days
Sea temperature 23°C 73.5°F
Humidity 76%
Windspeed 11.5kph 7 mph

On average September is the 6th driest month of the year in Chesterfield with around 87mm 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 8.3 hours of sunshine per day.

September temperatures in Chesterfield

Chesterfield average temperature in September

September rainfall

Chesterfield average rain in September

September hourly sunshine

Chesterfield 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 Chesterfield 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

Chesterfield weather stats

Chesterfield weather statistics
Hottest month: July 31°C 87.8°F
Driest month: April 77mm 3ins
Sunniest month: June 10.6hrs
Coldest month: January 7.5°C 45.5°F
Wettest month: July 119mm 4.7ins
Map showing location of Chesterfield (37.37709, -77.50582) Chesterfield map pin © Google

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