Fairview Heights Weather in September

September in Fairview Heights averages 27°C (81°F) during the day and 15°C (59°F) at night. Quite a bit of rainfall is typical this month, with around 99 mm (3.9 in) on average. An umbrella is a good idea.

Rainfall in Fairview Heights in September

This month experiences about 9 days of rain according to historical data, averaging 99 mm (3.9 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Fairview Heights in September

September is a perfect month in Fairview Heights, with 27°C (81°F) during the day and 15°C (59°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 15°C (59°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 Fairview Heights in September

Expect a lot of sunshine this month, with about 235 hours of sun. These sunny conditions add to the overall experience.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Fairview Heights.

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• January
• February
• March
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• May
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• October
• November
• December

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

Fairview Heights Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 30%  

Precipitation 99 mm (3.9 in)  

Rainy days 9 days  

Humidity 71% *  

Sunshine 235 hours *  

Percentage Sunshine 63% *  

* Data from: St. Louis, the United States of America (18 KM, 11 Miles).

What to Wear in Fairview Heights in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Fairview Heights in September

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

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 Fairview Heights's climate page.

More climate data for Fairview Heights

Temperature Rainfall Sunshine Humidity

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