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Chicago Weather in September

Averages By Month

The weather in Chicago in September is pleasant and mild with temperatures ranging between 62°F (17°C) and 74°F (23°C). The sun shines for an average of 8 hours each day and the Lake Michigan water temperature measures 68°F (20°C). With an average of 5 rainy days, September is one of the least rainy months too.

September is a great time to visit Chicago. The big summer crowds have left and the weather is ideal for exploring all the great sights and even still enjoy the Lake Michigan water. And you should also put some time aside to visit some of the events that the busy September schedule in Chicago has to offer. Theatre lovers could check out a play or two at the Chicago Fringe Festival whilst music lovers can indulge in the Chicago Jazz Festival. Anyone into beer or German food should head to the Oktoberfest and some more great Jazz can be enjoyed at the Hyde Park Jazz Festival.

High and Low Temperature in September °F

Precipitation days in September °F

Current Weather Chicago

34°F mist
Local Time

Hourly 10 Days

Averages Chicago

  J F M A M J J A S O N D

High °F

32° 36° 45° 56° 66° 77° 82° 81° 74° 62° 50° 37°

Low °F

22° 26° 34° 43° 53° 63° 70° 70° 62° 50° 39° 27°

Sun

4h 5h 6h 7h 9h 10h 10h 9h 8h 6h 4h 3h

Rain days

5 7 5 7 7 9 6 6 5 7 4 7

Water °F

40 37 36 37 39 46 68 72 68 61 50 43

Chicago Weather by Month

Best Time to Visit Chicago

Weatherwise, any time between May and October is a good time to visit Chicago. Spring and fall aren’t too warm with temperatures ranging from anything between the 30s F (0s C) and the 70s F (20s C) making it ideal for exploring the city.

Summers do get really summery and warm with highs reaching the low 80s F (high 20s C). Between July and September is also the time you want to visit Chicago if you would like to take a swim in Lake Michigan too.

Winters are best to visit to save on accomodation but it does get chilly with temperatures around the freezing point, cold winds and snowfall of up to 11 inches (27 cm).

Things to know about Chicago

Plan a city trip to Chicago because it doesn’t always have to be NYC that’s front of mind for a city break! For anyone into art and architecture, Chicago, as the city of birth of the skyscraper, has so much to offer and can compare itself without doubt to NYC in this regard. Starting with Chicago’s location, it’s simply unique how much Lake Michigan resembles the sea and spreads out in front of the US’s third largest city. So you can enjoy some summer vacation feeling on the beach or the pier during your city trip.
Chicago Downtown skyline lake Michigan beach
Chicago navy pier carousel swings ferris wheel
Must sees:
Chicago loop downtown train
Chicago John Hancock Center view skyscrapers Lake Michigan
From above: Art and museums:
Chicago loop bean scultpure downtown skyscrapers
Chicago skyline Lake Michigan view
Neighborhoods:
Chicago Frannk Lloyd Wright house
Chicago Wrigley field baseball cap cubs field
Food and Pizza:

Chicago Location

Other destinations by month



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