Kewaunee Weather in September

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

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

September is in the fall / autumn in Kewaunee and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 10°C (50°F) is normal.

Kewaunee weather averages (imperial / metric)
Daytime temperature 20.8°C 69.4°F
Nightly temperature 9.8°C 49.6°F
Average temperature 15.3°C 59.5°F
Daily sunshine 7.4 hrs
Avg rainfall 83 mm 3.3 ins
Rainy days 11 days
Sea temperature 18.3°C 64.9°F
Humidity 77%
Windspeed 15.1kph 9 mph

On average September is the 2nd wettest month of the year in Kewaunee with around 83mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.4 hours of sunshine per day.

September temperatures in Kewaunee

Kewaunee average temperature in September

September rainfall

Kewaunee average rain in September

September hourly sunshine

Kewaunee 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 Kewaunee in September 2024.