Oak Park weather in September (Illinois, United States of America)

What does the weather outlook for Oak Park look like in September? This guide provides the necessary weather information for your travel plans.

Temperatures

For September, the weather in Oak Park is generally perfect, featuring high temperatures and moderate rainfall. Expect the temperatures during the day to hover around 25°C. At night, they will likely drop to about 15°C.

Precipitation

Oak Park in September usually receives moderate rainfall, averaging around 88 mm for the month. Looking at the last 30 years, the data shows about 9 days with rain.

Average sunshine

The city usually sees around 226 hours of sunlight, indicating many sunny days.

So this is a great month to visit if you prefer dry days with pleasant temperatures. September typically offers the most optimal weather. In contrast, January, February, March, November and December tend to have less optimal conditions.

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

 

Oak Park, monthly averages in September

Min Temperature 15°C  

Max Temperature 25°C  

Chance of Rain 30%  

Precipitation 88 mm  

Rainy days 9 days  

Humidity 71% *  

Windspeed 14 km/h *  

Sunshine 226 hours *  

Percentage Sunshine 60% *  

Data from: Chicago, the United States of America (14 KM, 9 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 Oak Park, 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 Oak Park.

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.