Amherst Weather in September

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

The climate in Amherst during September can be summarized as warm and a little damp.

September is in the fall / autumn in Amherst and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 26°C (79°F), whilst at night 14°C (56°F) is normal.

Amherst weather averages (imperial / metric)
Daytime temperature 26.1°C 78.9°F
Nightly temperature 13.6°C 56.4°F
Average temperature 19.8°C 67.6°F
Daily sunshine 7.9 hrs
Avg rainfall 84 mm 3.3 ins
Rainy days 8 days
Sea temperature 23.9°C 74.9°F
Humidity 73%
Windspeed 10.1kph 6 mph

On average September is the 6th wettest month of the year in Amherst with around 84mm 3.3 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 7.9 hours of sunshine per day.

September temperatures in Amherst

Amherst average temperature in September

September rainfall

Amherst average rain in September

September hourly sunshine

Amherst 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 Amherst 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

Amherst weather stats

Amherst weather statistics
Hottest month: July 30°C 86°F
Driest month: January 70mm 2.8ins
Sunniest month: June 9.9hrs
Coldest month: January 6.5°C 43.7°F
Wettest month: July 100mm 3.9ins
Map showing location of Amherst (37.58514, -79.05141) Amherst map pin © Google

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