Shelbyville Weather in September

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

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

September is in the fall / autumn in Shelbyville and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 26°C (78°F), whilst at night 12°C (54°F) is normal.

Shelbyville weather averages (imperial / metric)
Daytime temperature 25.6°C 78°F
Nightly temperature 12.3°C 54.1°F
Average temperature 18.9°C 66°F
Daily sunshine 8.5 hrs
Avg rainfall 75 mm 2.9 ins
Rainy days 8 days
Sea temperature 21.9°C 71.4°F
Humidity 73%
Windspeed 13kph 8 mph

On average September is the 4th driest month of the year in Shelbyville with around 75mm 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 8.5 hours of sunshine per day.

September temperatures in Shelbyville

Shelbyville average temperature in September

September rainfall

Shelbyville average rain in September

September hourly sunshine

Shelbyville 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 Shelbyville 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

Shelbyville weather stats

Shelbyville weather statistics
Hottest month: July 29.5°C 85.1°F
Driest month: February 64mm 2.5ins
Sunniest month: July 10.3hrs
Coldest month: January 0.9°C 33.6°F
Wettest month: July 125mm 4.9ins
Map showing location of Shelbyville (39.52144, -85.77692) Shelbyville map pin © Google

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