Glen Ellyn weather in September (Illinois, United States of America)

Wondering what the weather is like in Glen Ellyn during September? Check out our in-depth weather guide for this month.

Temperatures

During September, Glen Ellyn experiences perfect weather, with high temperatures and moderate rainfall. Expect daytime highs to reach approximately 24°C, with nighttime lows dipping to around 12°C.

Precipitation

Glen Ellyn in September usually receives moderate rainfall, averaging around 93 mm for the month. Historically, the month has about 8 days of rain.

Average sunshine

The days are predominantly sunny, with an estimated total of around 226 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Glen Ellyn. 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 Glen Ellyn climate page with graphs.

 

Glen Ellyn, monthly averages in September

Min Temperature 12°C  

Max Temperature 24°C  

Chance of Rain 28%  

Precipitation 93 mm  

Rainy days 8 days  

Humidity 71% *  

Windspeed 14 km/h *  

Sunshine 226 hours *  

Percentage Sunshine 60% *  

* Data from: Chicago, 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

Map not visible? Whoops sorry! Please refresh the page.

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 Glen Ellyn, 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 Glen Ellyn.

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.