West Allis Weather in September

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

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

September is in the fall / autumn in West Allis and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 12°C (53°F) is normal.

West Allis weather averages (imperial / metric)
Daytime temperature 22.2°C 71.9°F
Nightly temperature 11.7°C 53°F
Average temperature 16.9°C 62.4°F
Daily sunshine 7.7 hrs
Avg rainfall 85 mm 3.4 ins
Rainy days 10 days
Sea temperature 18.8°C 65.8°F
Humidity 75%
Windspeed 16.2kph 10 mph

On average September is the 4th wettest month of the year in West Allis with around 85mm 3.4 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 West Allis

West Allis average temperature in September

September rainfall

West Allis average rain in September

September hourly sunshine

West Allis 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 West Allis 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

West Allis weather stats

West Allis weather statistics
Hottest month: July 27.7°C 81.9°F
Driest month: February 28mm 1.1ins
Sunniest month: July 11hrs
Coldest month: January -3.6°C 25.5°F
Wettest month: August 96mm 3.8ins
Map showing location of West Allis (43.01668, -88.00703) West Allis map pin © Google

Locations nearby

Top United States locations