Ionia Weather in September

Ionia in September averages 23°C (73°F) during the day and 11°C (52°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Ionia in September

You can typically expect 9 days of rain this month, averaging around 76 mm (3 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Ionia in September

September tends to be one of the excellent months in Ionia, with 23°C (73°F) in the afternoon and 11°C (52°F) overnight. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 11°C (52°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 Ionia in September

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

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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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 Ionia's climate page.

Ionia Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 30%  

Precipitation 76 mm (3 in)  

Rainy days 9 days  

Humidity 76% *  

Sunshine 209 hours *  

Percentage Sunshine 55% *  

* Data from: Grand Rapids, the United States of America (48 KM, 30 Miles).

What to Wear in Ionia in September

For Ionia 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. Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Ionia 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 Ionia's climate page.

More climate data for Ionia

Temperature Rainfall Sunshine Humidity

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