Atlanta Weather in September

What's the weather like in Atlanta (Georgia) in September 2024?

The climate in Atlanta during September can be summarized as warm, humid and a little damp.

September is in the fall / autumn in Atlanta and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 17°C (63°F) is normal.

Atlanta weather averages (imperial / metric)
Daytime temperature 27.9°C 82.1°F
Nightly temperature 17.2°C 62.9°F
Average temperature 22.5°C 72.5°F
Daily sunshine 8.1 hrs
Avg rainfall 87 mm 3.4 ins
Rainy days 8 days
Sea temperature 26.2°C 79.1°F
Humidity 75%
Windspeed 11.9kph 7 mph

On average September is the 3rd driest month of the year in Atlanta with around 87mm 3.4 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 8.1 hours of sunshine per day.

September temperatures in Atlanta

Atlanta average temperature in September

September rainfall

Atlanta average rain in September

September hourly sunshine

Atlanta 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 Atlanta in September 2024.