Thermograph

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

Weather in Grand Rapids in September

In an average September, Grand Rapids sees a daily high around 73°F and a low around 55°F, based on 1980–2026 of local climate records.

Average high73°F
Typical high range63°F to 82°F
Average low55°F
Typical low range44°F to 66°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 95°F 2017-09-23
Lowest 49°F 1995-09-22

Low

Highest 77°F 2011-09-02
Lowest 29°F 1991-09-28

Feels-like

Highest 120°F 2017-09-23
Lowest 22°F 1989-09-27

Humidity

Highest 22.1 g/m³ 1985-09-07
Lowest 4.3 g/m³ 1991-09-27

Wind

Highest 25 mph 1993-09-09
Lowest 3 mph 1996-09-04

Gust

Highest 53 mph 1986-09-30
Lowest 8 mph 2009-09-01

Precip

Wettest 8.83 in 2019
Driest 0.47 in 2004

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