September 2026 Weather | Grand Rapids, Michigan

Tue 9/1
Cloudy Weather
Day 81°
Night 59°
Wed 9/2
Cloudy Weather
Day 77°
Night 57°
Thu 9/3
Sunny Weather
Day 77°
Night 59°
Fri 9/4
Sunny Weather
Day 79°
Night 59°
Sat 9/5
Sunny Weather
Day 81°
Night 57°
Sun 9/6
Cloudy Weather
Day 81°
Night 59°
Mon 9/7
Cloudy Weather
Day 81°
Night 59°
Tue 9/8
Cloudy Weather
Day 82°
Night 57°
Wed 9/9
Cloudy Weather
Day 81°
Night 57°
Thu 9/10
Cloudy Weather
Day 75°
Night 57°
Fri 9/11
Cloudy Weather
Day 79°
Night 59°
Sat 9/12
Cloudy Weather
Day 79°
Night 57°
Sun 9/13
Rainy Weather
Day 79°
Night 57°
Mon 9/14
Rainy Weather
Day 70°
Night 45°
Tue 9/15
Cloudy Weather
Day 70°
Night 46°
Wed 9/16
Cloudy Weather
Day 70°
Night 52°
Thu 9/17
Cloudy Weather
Day 72°
Night 52°
Fri 9/18
Cloudy Weather
Day 79°
Night 57°
Sat 9/19
Cloudy Weather
Day 79°
Night 46°
Sun 9/20
Sunny with a Chance of Thunderstorms
Day 79°
Night 46°
Mon 9/21
Cloudy Weather
Day 68°
Night 43°
Tue 9/22
Cloudy Weather
Day 66°
Night 45°
Wed 9/23
Cloudy Weather
Day 66°
Night 50°
Thu 9/24
Cloudy Weather
Day 70°
Night 50°
Fri 9/25
Cloudy Weather
Day 70°
Night 52°
Sat 9/26
Cloudy Weather
Day 73°
Night 54°
Sun 9/27
Cloudy Weather
Day 73°
Night 54°
Mon 9/28
Cloudy Weather
Day 75°
Night 54°
Tue 9/29
Cloudy Weather
Day 75°
Night 54°
Wed 9/30
Partly Sunny with Showers
Day 73°
Night 48°