Gallipolis Weather in September

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

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

September is in the fall / autumn in Gallipolis 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.

Gallipolis weather averages (imperial / metric)
Daytime temperature 25.8°C 78.4°F
Nightly temperature 12.9°C 55.1°F
Average temperature 19.3°C 66.7°F
Daily sunshine 7.6 hrs
Avg rainfall 81 mm 3.2 ins
Rainy days 9 days
Sea temperature 22.9°C 73.3°F
Humidity 77%
Windspeed 9.4kph 6 mph

On average September is the 6th driest month of the year in Gallipolis with around 81mm 3.2 inches of rain making it a a little damp 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 7.6 hours of sunshine per day.

September temperatures in Gallipolis

Gallipolis average temperature in September

September rainfall

Gallipolis average rain in September

September hourly sunshine

Gallipolis 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 Gallipolis 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

Gallipolis weather stats

Gallipolis weather statistics
Hottest month: July 29.3°C 84.7°F
Driest month: October 68mm 2.7ins
Sunniest month: June 9.1hrs
Coldest month: January 4°C 39.2°F
Wettest month: July 115mm 4.5ins
Map showing location of Gallipolis (38.8098, -82.20237) Gallipolis map pin © Google

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