West Allis weather in September (Wisconsin, United States of America)

What does the weather outlook for West Allis look like in September? Is now the perfect time to visit? Find all the weather insights for this month on this page.

Temperatures

Expect perfect weather in West Allis during September, which means high temperatures and moderate rainfall. You can expect daytime temperatures to reach around 24°C, while the nights will see a decline to about 12°C.

Precipitation

West Allis in September usually receives moderate rainfall, averaging around 83 mm for the month. This month experiences about 10 days of rain according to historical data.

Average sunshine

Enjoy a sunny month with about 216 hours of sunshine, providing a cheerful and lively atmosphere.

So this is a great month to visit if you prefer dry days with pleasant temperatures. May, July, August and September typically offer the most optimal weather. In contrast, January, February, March, April, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized West Allis climate page with graphs.

 

West Allis, monthly averages in September

Min Temperature 12°C  

Max Temperature 24°C  

Chance of Rain 33%  

Precipitation 83 mm  

Rainy days 10 days  

Humidity 75% *  

Sunshine 216 hours *  

Percentage Sunshine 57% *  

Data from: Milwaukee, the United States of America (7 KM, 4 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to West Allis, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in West Allis.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.