Bellefontaine Weather in September

What's the weather like in Bellefontaine (Ohio) in September 2025?

The climate in Bellefontaine during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Bellefontaine and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (76°F), whilst at night 11°C (51°F) is normal.

Bellefontaine weather averages (imperial / metric)
Daytime temperature 24.3°C 75.7°F
Nightly temperature 10.7°C 51.3°F
Average temperature 17.5°C 63.5°F
Daily sunshine 8.1 hrs
Avg rainfall 74 mm 2.9 ins
Rainy days 9 days
Sea temperature 21.4°C 70.6°F
Humidity 74%
Windspeed 13kph 8 mph

On average September is the 5th driest month of the year in Bellefontaine with around 74mm 2.9 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 8.1 hours of sunshine per day.

September temperatures in Bellefontaine

Bellefontaine average temperature in September

September rainfall

Bellefontaine average rain in September

September hourly sunshine

Bellefontaine 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 Bellefontaine 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

Bellefontaine weather stats

Bellefontaine weather statistics
Hottest month: July 28.4°C 83.1°F
Driest month: February 53mm 2.1ins
Sunniest month: June 10.1hrs
Coldest month: January -0.3°C 31.5°F
Wettest month: July 107mm 4.2ins
Map showing location of Bellefontaine (40.36116, -83.75966) Bellefontaine map pin © Google

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