Charles Town Weather in September

What's the weather like in Charles Town (West Virginia) in September 2025?

The climate in Charles Town during September can be summarized as warm and reasonably dry.

September is in the fall / autumn in Charles Town and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 26°C (79°F), whilst at night 13°C (55°F) is normal.

Charles Town weather averages (imperial / metric)
Daytime temperature 26.3°C 79.3°F
Nightly temperature 12.9°C 55.2°F
Average temperature 19.6°C 67.3°F
Daily sunshine 7.7 hrs
Avg rainfall 80 mm 3.1 ins
Rainy days 9 days
Sea temperature 21.4°C 70.6°F
Humidity 75%
Windspeed 11.2kph 7 mph

On average September is the 4th driest month of the year in Charles Town with around 80mm 3.1 inches of rain making it a reasonably dry 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 7.7 hours of sunshine per day.

September temperatures in Charles Town

Charles Town average temperature in September

September rainfall

Charles Town average rain in September

September hourly sunshine

Charles Town 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 Charles Town 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

Charles Town weather stats

Charles Town weather statistics
Hottest month: July 30.4°C 86.7°F
Driest month: February 64mm 2.5ins
Sunniest month: June 9.7hrs
Coldest month: January 4.4°C 39.9°F
Wettest month: May 105mm 4.1ins
Map showing location of Charles Town (39.28899, -77.85972) Charles Town map pin © Google

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