Vincennes Weather in September

What's the weather like in Vincennes (Indiana) in September 2025?

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

September is in the fall / autumn in Vincennes 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 (57°F) is normal.

Vincennes weather averages (imperial / metric)
Daytime temperature 26.5°C 79.7°F
Nightly temperature 13.7°C 56.7°F
Average temperature 20.1°C 68.2°F
Daily sunshine 8.8 hrs
Avg rainfall 82 mm 3.2 ins
Rainy days 8 days
Sea temperature 22.1°C 71.8°F
Humidity 73%
Windspeed 12.2kph 8 mph

On average September is the 4th driest month of the year in Vincennes with around 82mm 3.2 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 8.8 hours of sunshine per day.

September temperatures in Vincennes

Vincennes average temperature in September

September rainfall

Vincennes average rain in September

September hourly sunshine

Vincennes 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 Vincennes in September 2025.

Other monthly averages

Best places to visit in September

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Current (hourly) weather 15 day forecast

Vincennes weather stats

Vincennes weather statistics
Hottest month: July 30.7°C 87.3°F
Driest month: February 68mm 2.7ins
Sunniest month: July 10.9hrs
Coldest month: January 2.3°C 36.1°F
Wettest month: May 122mm 4.8ins
Map showing location of Vincennes (38.67727, -87.52863) Vincennes map pin © Google

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