Greensburg Weather in September

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

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

September is in the fall / autumn in Greensburg and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 25°C (78°F), whilst at night 12°C (53°F) is normal.

Greensburg weather averages (imperial / metric)
Daytime temperature 25.3°C 77.5°F
Nightly temperature 11.7°C 53.1°F
Average temperature 18.5°C 65.3°F
Daily sunshine 8.5 hrs
Avg rainfall 71 mm 2.8 ins
Rainy days 8 days
Sea temperature 21.9°C 71.4°F
Humidity 73%
Windspeed 13kph 8 mph

On average September is the 3rd driest month of the year in Greensburg with around 71mm 2.8 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 8.5 hours of sunshine per day.

September temperatures in Greensburg

Greensburg average temperature in September

September rainfall

Greensburg average rain in September

September hourly sunshine

Greensburg 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 Greensburg in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Greensburg weather stats

Greensburg weather statistics
Hottest month: July 29.2°C 84.6°F
Driest month: January 66mm 2.6ins
Sunniest month: June 10.3hrs
Coldest month: January 1.1°C 34°F
Wettest month: May 121mm 4.8ins
Map showing location of Greensburg (39.33727, -85.48358) Greensburg map pin © Google

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