Westmont weather in September (Illinois, United States of America)

How does the September weather in Westmont compare to other months? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

The weather in Westmont during September is typically perfect, with high temperatures and moderate rainfall. The temperature during the day can rise to approximately 25°C. At night, it falls to around 13°C.

Precipitation

Westmont in September usually receives moderate rainfall, averaging around 86 mm for the month. Climate statistics over the past 30 years suggest around 11 days of rain.

Average sunshine

Enjoy a sunny month with about 226 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 Westmont. September typically offers the most agreeable circumstances. On the other hand, January, February, March, November 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 Westmont climate page with graphs.

 

Westmont, monthly averages in September

Min Temperature 13°C  

Max Temperature 25°C  

Chance of Rain 36%  

Precipitation 86 mm  

Rainy days 11 days  

Humidity 71% *  

Windspeed 14 km/h *  

Sunshine 226 hours *  

Percentage Sunshine 60% *  

* Data from: Chicago, the United States of America (21 KM, 13 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 Westmont, 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 Westmont.

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.