Thermograph

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

Weather in Milwaukee in September

In an average September, Milwaukee sees a daily high around 72°F and a low around 59°F, based on 1980–2026 of local climate records.

Average high72°F
Typical high range62°F to 80°F
Average low59°F
Typical low range50°F to 67°F
Average daily precipitation0.10 in

September records

The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.

High

Highest 92°F 2013-09-10
Lowest 49°F 1995-09-22

Low

Highest 78°F 2011-09-02
Lowest 36°F 1995-09-23

Feels-like

Highest 110°F 1990-09-06
Lowest 27°F 1993-09-30

Humidity

Highest 21.7 g/m³ 1985-09-07
Lowest 4.0 g/m³ 1995-09-23

Wind

Highest 29 mph 2011-09-30
Lowest 4 mph 2004-09-26

Gust

Highest 57 mph 2011-09-30
Lowest 9 mph 2004-09-26

Precip

Wettest 6.99 in 1986
Driest 0.83 in 2004

See Milwaukee's live weather grade →

Visiting Milwaukee in September? See how its comfort stacks up against where you live.

Compare Milwaukee with your city →

‹ August · Milwaukee climate overview · October ›