Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in Milwaukee, Wisconsin, United States in September

In an average September, Milwaukee sees a daily high around 74°F and a low around 54°F, based on 1981–2026 of local climate records.

Average high74°F
Typical high range63°F to 84°F
Average low54°F
Typical low range45°F to 63°F
Average daily precipitation0.10 in

September records

The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.

High

Highest 95°F 2023-09-03
Lowest 49°F 1995-09-21

Low

Highest 75°F 2011-09-02
Lowest 31°F 1984-09-29

Feels-like

Highest 120°F 1990-09-06
Lowest 19°F 1993-09-30

Humidity

Highest 21.6 g/m³ 2016-09-07
Lowest 4.3 g/m³ 1984-09-26

Wind

Highest 33 mph 2009-09-28
Lowest 5 mph 1991-09-24

Precip

Wettest 10.17 in 1986
Driest 0.43 in 2004

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