Marietta Weather in September

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

The climate in Marietta during September can be summarized as warm and reasonably dry.

September is in the fall / autumn in Marietta and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 25°C (78°F), whilst at night 13°C (56°F) is normal.

Marietta weather averages (imperial / metric)
Daytime temperature 25.3°C 77.5°F
Nightly temperature 13.1°C 55.6°F
Average temperature 19.2°C 66.6°F
Daily sunshine 7.4 hrs
Avg rainfall 79 mm 3.1 ins
Rainy days 10 days
Sea temperature 22.2°C 71.9°F
Humidity 76%
Windspeed 10.1kph 6 mph

On average September is the 5th driest month of the year in Marietta with around 79mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.4 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.