Jerseyville Weather in September

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

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

September is in the fall / autumn in Jerseyville and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 14°C (57°F) is normal.

Jerseyville weather averages (imperial / metric)
Daytime temperature 26.2°C 79.2°F
Nightly temperature 14°C 57.2°F
Average temperature 20.1°C 68.2°F
Daily sunshine 8.5 hrs
Avg rainfall 84 mm 3.3 ins
Rainy days 8 days
Sea temperature 20.4°C 68.7°F
Humidity 72%
Windspeed 14.4kph 9 mph

On average September is the 5th wettest month of the year in Jerseyville with around 84mm 3.3 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 8.5 hours of sunshine per day.

September temperatures in Jerseyville

Jerseyville average temperature in September

September rainfall

Jerseyville average rain in September

September hourly sunshine

Jerseyville 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 Jerseyville 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

Jerseyville weather stats

Jerseyville weather statistics
Hottest month: July 31°C 87.8°F
Driest month: January 42mm 1.7ins
Sunniest month: July 10.8hrs
Coldest month: January 2.1°C 35.8°F
Wettest month: May 107mm 4.2ins
Map showing location of Jerseyville (39.12005, -90.32845) Jerseyville map pin © Google

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