Marietta Weather in September

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

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

September is in the fall / autumn in Marietta and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 16°C (61°F) is normal.

Marietta weather averages (imperial / metric)
Daytime temperature 27.7°C 81.8°F
Nightly temperature 16.4°C 61.4°F
Average temperature 22°C 71.6°F
Daily sunshine 8.1 hrs
Avg rainfall 91 mm 3.6 ins
Rainy days 8 days
Sea temperature 26.2°C 79.1°F
Humidity 75%
Windspeed 11.5kph 7 mph

On average September is the 4th driest month of the year in Marietta with around 91mm 3.6 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 Marietta

Marietta average temperature in September

September rainfall

Marietta average rain in September

September hourly sunshine

Marietta 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 Marietta in September 2024.