Measurements:
°C
°F
Grand Rapids
76°F
E 14 mph
Feels like: 80°F
Precip: 77%
World Resorts USA Grand Rapids Weather September Weather in Grand Rapids

Grand Rapids Weather: September

Average Day Temperature: 75.9°F
Average Night Temperature: 59.0°F
Number of Sunny Days: 15 days
Sunshine Hours: 11.8 - 13.1 hours
Number of Rainy Days: 2 days
Precipitation Totals: 0.8 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 91°F. The lowest night temperature was 44°F. The average values for day and night temperatures during September were 77.6°F и 58.0°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Grand Rapids is 0.8 in.

Wind Speed in September, mph

The average wind speed in September is 7.8 mph. It makes September one of the most windless months of the year for Grand Rapids.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Grand Rapids in September is 8.2 hours.

Best Time to Visit Grand Rapids
The most sunny months:
September 15 days
July 15 days
June 14 days
The most warm months:
July 84.7 °F
August 82.1 °F
June 79.5 °F
The most cold months:
January 25.5 °F
February 28.7 °F
December 32.8 °F
The most rainy months:
July 2 days
May 2 days
September 2 days
The most windy months:
March 11 mph
April 10 mph
November 10 mph

Grand Rapids on the Weather Map

USA Resorts:
NAME
Boston +94
Chicago +82
Hawaii +82
Houston +106
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
Grand Rapids
Local time: 16:21
05 aug, wednesday
1800 80°F
E
13 mph
2100 76°F
SW
2 mph
06 aug, thursday
0000 72°F
SE
2 mph
0300 64°F
E
1 mph
0600 64°F
NW
2 mph
0900 68°F
NW
4 mph
1200 70°F
NW
4 mph
1500 74°F
N
5 mph