Fairview Heights weather in September (Illinois, United States of America)

How does the September weather in Fairview Heights compare to other months? Check out this detailed guide to the month’s weather conditions.

Temperatures

During September, Fairview Heights is known for its perfect weather, characterized by high temperatures and moderate rainfall. Daytime temperatures generally settle around 27°C, while nighttime can see a dip to about 15°C.

Precipitation

Fairview Heights in September usually receives moderate rainfall, averaging around 99 mm for the month. Typically around 9 days days of rainfall are expected.

Average sunshine

Enjoy a sunny month with about 235 hours of sunshine, providing a cheerful and lively atmosphere.

If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Fairview Heights. September and October typically offer the most agreeable circumstances. On the other hand, January, February and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Fairview Heights climate page with graphs.

 

Fairview Heights, monthly averages in September

Min Temperature 15°C  

Max Temperature 27°C  

Chance of Rain 30%  

Precipitation 99 mm  

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).

Where to go in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

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

Interested in more climate information?

This site provides you with all the information you need about the climate in Fairview Heights.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.