Richmond Weather in September

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

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

September is in the fall / autumn in Richmond and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 15°C (58°F) is normal.

Richmond weather averages (imperial / metric)
Daytime temperature 27.2°C 80.9°F
Nightly temperature 14.7°C 58.4°F
Average temperature 20.9°C 69.6°F
Daily sunshine 8.4 hrs
Avg rainfall 85 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 Richmond with around 85mm 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 8.4 hours of sunshine per day.

September temperatures in Richmond

Richmond average temperature in September

September rainfall

Richmond average rain in September

September hourly sunshine

Richmond 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 Richmond 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

Richmond weather stats

Richmond weather statistics
Hottest month: July 31°C 87.8°F
Driest month: April 75mm 3ins
Sunniest month: June 10.7hrs
Coldest month: January 7.3°C 45.1°F
Wettest month: July 123mm 4.8ins
Map showing location of Richmond (37.55376, -77.46026) Richmond map pin © Google

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