Grand Haven Weather in September

With daytime temperatures of 23°C (73°F) and nighttime lows of 12°C (54°F), September in Grand Haven brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 87 mm (3.4 in) falls on average.

Rainfall in Grand Haven in September

Looking at the last 30 years, the data shows about 9 days with rain, averaging 87 mm (3.4 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Grand Haven in September

The temperature in Grand Haven in September is perfect. Daytime highs reach 23°C (73°F), with nights dropping to 12°C (54°F). This kind of day-to-night contrast is typical for this time of year. With lows of 12°C (54°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Grand Haven in September

Expect sunny days throughout the month, with an estimated 209 hours of sunshine. This makes it a pleasant time to visit Grand Haven.

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

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 Haven's climate page.

Grand Haven Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 31%  

Precipitation 87 mm (3.4 in)  

Rainy days 9 days  

Humidity 76% *  

Sunshine 209 hours *  

Percentage Sunshine 55% *  

* Data from: Grand Rapids, the United States of America (46 KM, 29 Miles).

What to Wear in Grand Haven 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Grand Haven in September

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

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 Haven's climate page.

More climate data for Grand Haven

Temperature Rainfall Sunshine Humidity

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