Chicago Weather September Averages, USA

What's the Weather Like in Chicago in September

September in Chicago is autumn in the city, which means the weather is still pleasant but more mild than it is during the summer. The milder temperatures also mean that the tourists tend to empty out of the city in this month, so it is a perfect time to enjoy sight seeing without the excessive crowds and queues.

It would be advisable to carry with you a warmer jacket or jumper, though, as the evenings especially can get quite cool.

Temperature
The average daily temperature for Chicago in September is still warm at 24°C, but this can still drop down to 12°C on average.

Sunshine
The long, hot days of summer are getting shorter in September, with an average of 8 hours of sun per day in September.

Rain
The average rainfall experienced in Chicago during this month drops to 90 mm throughout the month on average.
 

Things to do in Chicago in September

National Football League
Football season kicks off again in September, with both the National Football League and College Football seasons starting in this month in Chicago.

SuperSibs Golf Classic
As well as this, September sees SuperSibs Golf Classic, which is a day of golf, drinks, dinner and an auction in aid of children with cancer.

Chicago Jazz Festival 
It is also the month that the world's largest jazz festival comes to town, with the Chicago Jazz Festival featuring jazz musicians from all over the world. Entry is free for any jazz lovers that want to attend this.

County Fair
There is also the County Fair, that holds all the fun of the fair, with pie eating contests, home made goods on sale, face painting, live music, pony rides and garden demonstrations.

Mexican Independance Day
Mexican Independence Day is celebrated with the 26th Street Mexican Independence Day Parade, with the chance to purchase Mexican food and merchandise.