Sun Prairie Weather in September

What's the weather like in Sun Prairie (Wisconsin) in September 2024?

The climate in Sun Prairie during September can be summarized as mild and a little damp.

September is in the fall / autumn in Sun Prairie and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 9°C (48°F) is normal.

Sun Prairie weather averages (imperial / metric)
Daytime temperature 21.9°C 71.3°F
Nightly temperature 9°C 48.1°F
Average temperature 15.4°C 59.7°F
Daily sunshine 7.7 hrs
Avg rainfall 93 mm 3.6 ins
Rainy days 10 days
Sea temperature 17.4°C 63.3°F
Humidity 77%
Windspeed 14.4kph 9 mph

On average September is the 4th wettest month of the year in Sun Prairie with around 93mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.7 hours of sunshine per day.

September temperatures in Sun Prairie

Sun Prairie average temperature in September

September rainfall

Sun Prairie average rain in September

September hourly sunshine

Sun Prairie 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 Sun Prairie in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Sun Prairie weather stats

Sun Prairie weather statistics
Hottest month: July 27.9°C 82.2°F
Driest month: January 28mm 1.1ins
Sunniest month: July 10.6hrs
Coldest month: January -4.4°C 24.1°F
Wettest month: August 103mm 4.1ins
Map showing location of Sun Prairie (43.1836, -89.21373) Sun Prairie map pin © Google

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