Petersburg Weather in September

What's the weather like in Petersburg (Indiana) in September 2024?

The climate in Petersburg during September can be summarized as warm, humid and reasonably dry.

September is in the fall / autumn in Petersburg and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 14°C (58°F) is normal.

Petersburg weather averages (imperial / metric)
Daytime temperature 26.9°C 80.3°F
Nightly temperature 14.2°C 57.5°F
Average temperature 20.5°C 68.9°F
Daily sunshine 8.8 hrs
Avg rainfall 74 mm 2.9 ins
Rainy days 8 days
Sea temperature 22.1°C 71.8°F
Humidity 73%
Windspeed 11.5kph 7 mph

On average September is the 2nd driest month of the year in Petersburg with around 74mm 2.9 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 8.8 hours of sunshine per day.

September temperatures in Petersburg

Petersburg average temperature in September

September rainfall

Petersburg average rain in September

September hourly sunshine

Petersburg 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 Petersburg in September 2024.