Winchester Weather in September

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

The climate in Winchester during September can be summarized as warm and a little damp.

September is in the fall / autumn in Winchester and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 26°C (78°F), whilst at night 13°C (55°F) is normal.

Winchester weather averages (imperial / metric)
Daytime temperature 25.5°C 77.9°F
Nightly temperature 12.5°C 54.5°F
Average temperature 19°C 66.2°F
Daily sunshine 8.5 hrs
Avg rainfall 88 mm 3.5 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 Winchester with around 88mm 3.5 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 Winchester

Winchester average temperature in September

September rainfall

Winchester average rain in September

September hourly sunshine

Winchester 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 Winchester 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

Winchester weather stats

Winchester weather statistics
Hottest month: July 30.1°C 86.2°F
Driest month: January 37mm 1.5ins
Sunniest month: July 10.8hrs
Coldest month: January 0.7°C 33.3°F
Wettest month: May 112mm 4.4ins
Map showing location of Winchester (39.62977, -90.45624) Winchester map pin © Google

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