Brown Deer Weather in September

In Brown Deer, September brings high daytime temperatures around 23°C (73°F), with nights cooling to 12°C (54°F). Expect quite a bit of rainfall this month.

Rainfall in Brown Deer in September

Historically, the month has about 10 days of rain, averaging 78 mm (3.1 in) in total. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Brown Deer in September

September is a perfect month in Brown Deer, with 23°C (73°F) during the day and 12°C (54°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Brown Deer in September

With approximately 216 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If your ideal day consists of dry skies and pleasant temperatures, May, July, August and September typically offer the best circumstances for Brown Deer.

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

Brown Deer Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 33%  

Precipitation 78 mm (3.1 in)  

Rainy days 10 days  

Humidity 75% *  

Sunshine 216 hours *  

Percentage Sunshine 57% *  

* Data from: Milwaukee, the United States of America (14 KM, 9 Miles).

What to Wear in Brown Deer in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Brown Deer 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 Brown Deer's climate page.

More climate data for Brown Deer

Temperature Rainfall Sunshine Humidity

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