West Allis
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West Allis Weather in September

West Allis in September sees high temperatures, with highs around 24°C (75°F) and overnight lows of 12°C (54°F). Rainfall is fairly high at around 83 mm (3.3 in) on average, so pack waterproofs just in case.

Rainfall in West Allis in September

Based on our climate data of the past 30 years, about 10 days of rain are anticipated, with 83 mm (3.3 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in West Allis in September

West Allis has excellent weather in September, with days reaching 24°C (75°F) and nights cooling to 12°C (54°F). Overall, the month follows a fairly predictable daily temperature pattern. At 12°C (54°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 West Allis in September

The city usually sees around 216 hours of sunlight, indicating many sunny days , a great month for sightseeing.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

West Allis Temperature in September

Min Temperature
12°C (54°F)
Max Temperature
24°C (75°F)
Chance of Rain
33%
Precipitation
83 mm (3.3 in)
Rainy days
10 days
Humidity
75% *
Sunshine
216 hours *
Percentage Sunshine
57% *
* Data from: Milwaukee, the United States of America (7 KM, 4 Miles).

West Allis Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in West Allis - and find the best time to visit.

Best Places 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. See all of the United States of America in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in West Allis in September

For West Allis 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in West Allis in September

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

West Allis 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

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