Irwinton Weather in September

What's the weather like in Irwinton (Georgia) in September 2025?

The climate in Irwinton during September can be summarized as hot, humid and reasonably dry.

September is in the fall / autumn in Irwinton and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 17°C (63°F) is normal.

Irwinton weather averages (imperial / metric)
Daytime temperature 30.1°C 86.1°F
Nightly temperature 17.4°C 63.2°F
Average temperature 23.7°C 74.7°F
Daily sunshine 8.4 hrs
Avg rainfall 78 mm 3.1 ins
Rainy days 8 days
Sea temperature 26.9°C 80.4°F
Humidity 76%
Windspeed 10.8kph 7 mph

On average September is the 3rd driest month of the year in Irwinton with around 78mm 3.1 inches of rain making it a reasonably dry 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 8.4 hours of sunshine per day.

September temperatures in Irwinton

Irwinton average temperature in September

September rainfall

Irwinton average rain in September

September hourly sunshine

Irwinton 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 Irwinton in September 2025.

Other monthly averages

Best places to visit in September

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Current (hourly) weather 15 day forecast

Irwinton weather stats

Irwinton weather statistics
Hottest month: July 32.7°C 90.9°F
Driest month: October 62mm 2.4ins
Sunniest month: May 10.2hrs
Coldest month: January 13.1°C 55.6°F
Wettest month: July 120mm 4.7ins
Map showing location of Irwinton (32.81126, -83.17265) Irwinton map pin © Google

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