Grand Rapids Weather in September

September is one of the excellent months to visit Grand Rapids, with daytime temperatures of 23°C (73°F) and lows of 11°C (52°F) at night. Do note that quite a bit of rainfall is typical, averaging around 79 mm (3.1 in).

Rainfall in Grand Rapids in September

On average, there are about 10 days with rain during this month, averaging 79 mm (3.1 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Grand Rapids in September

September is a excellent month in Grand Rapids, with 23°C (73°F) during the day and 11°C (52°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Grand Rapids in September

There are approximately 209 hours of sunshine this month, resulting in mostly clear days.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Grand Rapids.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Grand Rapids's climate page.

Grand Rapids Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 34%  

Precipitation 79 mm (3.1 in)  

Rainy days 10 days  

Humidity 76%  

Sunshine 209 hours  

Percentage Sunshine 55%  

What to Wear in Grand Rapids in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Grand Rapids in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Grand Rapids's climate page.

More climate data for Grand Rapids

Temperature Rainfall Sunshine Humidity

See the full Grand Rapids climate overview or explore weather in the United States of America.