Thermograph

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

Weather in Grand Rapids, Michigan, United States in September

In an average September, Grand Rapids sees a daily high around 73°F and a low around 53°F, based on 1981–2026 of local climate records.

Average high73°F
Typical high range63°F to 83°F
Average low53°F
Typical low range44°F to 62°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 92°F 2017-09-23
Lowest 48°F 1995-09-22

Low

Highest 72°F 2011-09-02
Lowest 31°F 1991-09-28

Feels-like

Highest 108°F 2000-09-01
Lowest 22°F 1991-09-27

Humidity

Highest 21.5 g/m³ 2016-09-07
Lowest 4.5 g/m³ 1989-09-23

Wind

Highest 30 mph 1993-09-09
Lowest 4 mph 2011-09-10

Precip

Wettest 12.72 in 1986
Driest 0.47 in 2004

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