ClimateAverages

Milwaukee Weather in September

JanFebMarAprMayJunJulAugSepOctNovDec
Right now
22°C
Overcast · feels like 22°C
Humidity
90%
Wind
13 kph SW
UV
0.2
Rain
0%
Updated Jul 9, 07:00 AMWeather data by WeatherAPI.com
September daytime high
21.9°C
September overnight low
11.8°C
September average
16.8°C

In September, Milwaukee typically sees daytime highs of 21.9°C and overnight lows around 11.8°C. Compared to the annual average high of 12.6°C, September runs +9.3°C.

vs. annual avg high
+9.3°C
Rank among 12 months
#4 warmest
Hottest year overall
2011

Where September ranks in Milwaukee

JanFebMarAprMayJunJulAugSep22°OctNovDec

FAQ

What is the average temperature in Milwaukee in September?

September in Milwaukee averages a daytime high of 21.9°C and an overnight low of 11.8°C.

Is September warm or cold in Milwaukee?

September runs +9.3°C compared to Milwaukee's annual average high of 12.6°C, ranking #4 of 12 months by warmth.

What should I pack for Milwaukee in September?

Plan for daytime highs near 21.9°C and cooler evenings around 11.8°C.

Other months for Milwaukee

JanuaryFebruaryMarchAprilMayJuneJulyAugustOctoberNovemberDecember

September in nearby cities

MadisonGreen BayKenoshaRacineAppletonWaukeshaEau ClaireOshkoshJanesvilleWest AllisLa CrosseNorth La Crosse