Vernon Hills weather in September (Illinois, United States of America)

Can you expect sunny skies in Vernon Hills in September? Our guide gives you the essential weather details for this month.

Temperatures

During September, Vernon Hills experiences perfect weather, with high temperatures and moderate rainfall. Daytime temperatures generally settle around 24°C, while nighttime can see a dip to about 13°C.

Precipitation

Vernon Hills in September usually receives moderate rainfall, averaging around 91 mm for the month. Climate data suggests that about 10 days will experience rainfall.

Average sunshine

Enjoy a sunny month with about 226 hours of sunshine, providing a cheerful and lively atmosphere.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Vernon Hills. September typically offers the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

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

 

Vernon Hills, monthly averages in September

Min Temperature 13°C  

Max Temperature 24°C  

Chance of Rain 33%  

Precipitation 91 mm  

Rainy days 10 days  

Humidity 71% *  

Sunshine 226 hours *  

Percentage Sunshine 60% *  

Data from: Chicago, the United States of America (27 KM, 16 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?

For visitors traveling to Vernon Hills, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Swimming

9/10

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Vernon Hills.

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.