FallPeak season ~75°F highs

Things to do in Chicago in September

September is one of the best months to visit Chicago, with average highs around 75°F. Crisp air and changing leaves make parks and viewpoints shine.

Plan a September weekend Where else in September

Best picks for September

What's famous here, weighted toward what shines in September.

1Foliage walks

Millennium Park

public park in Chicago, Illinois, USA

2Foliage walks

Grant Park

urban park in Chicago, Illinois, USA

3Foliage walks

Bataan Park

Holidays in September 2027

Labour Day · Mon, Sep 6

Expect busier roads and pricier stays around these dates. See long weekends.

Also great in September in Illinois

Springfield Peoria Champaign Rockford Moline

Chicago in September: quick answers

Is September a good time to visit Chicago?

September is one of the best months to visit Chicago, with average highs around 75°F. Crisp air and changing leaves make parks and viewpoints shine.

What is the weather like in Chicago in September?

Average daytime highs are around 75°F, compared with 83°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.

What are the best things to do in Chicago in September?

Top picks for September: Millennium Park, Grant Park, Bataan Park, Begin Route 66, Lincoln (Abraham) Park.