Milwaukee Weather in September

Milwaukee in September sees high temperatures, with highs around 23°C (73°F) and overnight lows of 13°C (55°F). Rainfall is fairly high at around 77 mm (3 in) on average, so pack waterproofs just in case.

Rainfall in Milwaukee in September

Based on our climate data of the past 30 years, about 10 days of rain are anticipated, with 77 mm (3 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Milwaukee in September

Milwaukee in September has perfect weather. Days reach 23°C (73°F) and nights cool to 13°C (55°F). Overall, the month follows a fairly predictable daily temperature pattern. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Milwaukee in September

Enjoy a sunny month with about 216 hours of sunshine, the clear skies make Milwaukee even more beautiful.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Milwaukee.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Milwaukee's climate page.

Milwaukee Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 32%  

Precipitation 77 mm (3 in)  

Rainy days 10 days  

Humidity 75%  

Sunshine 216 hours  

Percentage Sunshine 57%  

What to Wear in Milwaukee in September

For Milwaukee in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Milwaukee in September

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

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Milwaukee's climate page.

More climate data for Milwaukee

Temperature Rainfall Sunshine Humidity

See the full Milwaukee climate overview or explore weather in the United States of America.