West Union Weather in September

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

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

September is in the fall / autumn in West Union and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 26°C (78°F), whilst at night 13°C (55°F) is normal.

West Union weather averages (imperial / metric)
Daytime temperature 25.8°C 78.4°F
Nightly temperature 12.7°C 54.8°F
Average temperature 19.2°C 66.6°F
Daily sunshine 7.8 hrs
Avg rainfall 84 mm 3.3 ins
Rainy days 8 days
Sea temperature 22.9°C 73.1°F
Humidity 74%
Windspeed 11.2kph 7 mph

On average September is the 6th driest month of the year in West Union 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 7.8 hours of sunshine per day.

September temperatures in West Union

West Union average temperature in September

September rainfall

West Union average rain in September

September hourly sunshine

West Union 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 West Union in September 2025.

Other monthly averages

Best places to visit in September

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Beta

Current (hourly) weather 15 day forecast

West Union weather stats

West Union weather statistics
Hottest month: July 29.5°C 85.1°F
Driest month: October 66mm 2.6ins
Sunniest month: August 8.6hrs
Coldest month: January 3.5°C 38.3°F
Wettest month: July 120mm 4.7ins
Map showing location of West Union (38.79452, -83.54519) West Union map pin © Google

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