Oneonta Weather in September

What's the weather like in Oneonta (Alabama) in September 2025?

The climate in Oneonta during September can be summarized as warm, humid and damp.

September is in the fall / autumn in Oneonta and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (83°F), whilst at night 15°C (59°F) is normal.

Oneonta weather averages (imperial / metric)
Daytime temperature 28.3°C 82.9°F
Nightly temperature 14.8°C 58.6°F
Average temperature 21.5°C 70.7°F
Daily sunshine 7.9 hrs
Avg rainfall 111 mm 4.4 ins
Rainy days 8 days
Sea temperature 26.1°C 79.1°F
Humidity 75%
Windspeed 10.4kph 7 mph

On average September is the 4th driest month of the year in Oneonta with around 111mm 4.4 inches of rain making it a 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 Oneonta

Oneonta average temperature in September

September rainfall

Oneonta average rain in September

September hourly sunshine

Oneonta 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 Oneonta 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

Oneonta weather stats

Oneonta weather statistics
Hottest month: July 31.2°C 88.2°F
Driest month: October 78mm 3.1ins
Sunniest month: October 7.9hrs
Coldest month: January 9.8°C 49.6°F
Wettest month: March 166mm 6.5ins
Map showing location of Oneonta (33.94815, -86.47276) Oneonta map pin © Google

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