Rising Sun Weather in September

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

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

September is in the fall / autumn in Rising Sun and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 26°C (79°F), whilst at night 14°C (56°F) is normal.

Rising Sun weather averages (imperial / metric)
Daytime temperature 26.2°C 79.1°F
Nightly temperature 13.5°C 56.2°F
Average temperature 19.8°C 67.6°F
Daily sunshine 8.3 hrs
Avg rainfall 77 mm 3 ins
Rainy days 8 days
Sea temperature 22.7°C 72.9°F
Humidity 73%
Windspeed 12.2kph 8 mph

On average September is the 4th driest month of the year in Rising Sun with around 77mm 3 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 8.3 hours of sunshine per day.

September temperatures in Rising Sun

Rising Sun average temperature in September

September rainfall

Rising Sun average rain in September

September hourly sunshine

Rising Sun 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 Rising Sun 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

Rising Sun weather stats

Rising Sun weather statistics
Hottest month: July 30.1°C 86.2°F
Driest month: February 72mm 2.8ins
Sunniest month: August 9.1hrs
Coldest month: January 3.1°C 37.6°F
Wettest month: May 111mm 4.4ins
Map showing location of Rising Sun (38.9495, -84.85384) Rising Sun map pin © Google

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