Louisville Weather in September

What's the weather like in Louisville (Illinois) in September 2024?

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

September is in the fall / autumn in Louisville and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 27°C (80°F), whilst at night 14°C (56°F) is normal.

Louisville weather averages (imperial / metric)
Daytime temperature 26.6°C 79.8°F
Nightly temperature 13.5°C 56.2°F
Average temperature 20°C 68°F
Daily sunshine 8.8 hrs
Avg rainfall 82 mm 3.2 ins
Rainy days 8 days
Sea temperature 21.6°C 70.9°F
Humidity 72%
Windspeed 13kph 8 mph

On average September is the 5th driest month of the year in Louisville 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 Louisville

Louisville average temperature in September

September rainfall

Louisville average rain in September

September hourly sunshine

Louisville 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 Louisville in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Louisville weather stats

Louisville weather statistics
Hottest month: July 30.7°C 87.3°F
Driest month: January 58mm 2.3ins
Sunniest month: July 11hrs
Coldest month: January 2.2°C 36°F
Wettest month: May 106mm 4.2ins
Map showing location of Louisville (38.77227, -88.50255) Louisville map pin © Google

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