Grandville Weather in September

Grandville in September sees high daytime temperatures of 23°C (73°F) and nighttime lows of 12°C (54°F). Rainfall is fairly high this month at around 89 mm (3.5 in), so pack a rain jacket to stay dry.

Rainfall in Grandville in September

You can expect rain on around 11 days based on historical patterns, with 89 mm (3.5 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Grandville in September

Grandville in September is worth a visit. The temperature is excellent, with 23°C (73°F) during the day and 12°C (54°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Grandville in September

The city usually sees around 209 hours of sunlight, indicating many sunny days — a great month for sightseeing.

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

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

Grandville Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 37%  

Precipitation 89 mm (3.5 in)  

Rainy days 11 days  

Humidity 76% *  

Sunshine 209 hours *  

Percentage Sunshine 55% *  

* Data from: Grand Rapids, the United States of America (9 KM, 6 Miles).

What to Wear in Grandville in September

For Grandville in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Grandville 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 Grandville's climate page.

More climate data for Grandville

Temperature Rainfall Sunshine Humidity

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