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Weather in Chicago in September

How good it typically feels to be outside in Chicago during September, from years of daily weather history. Set your comfort below and every score here tunes to you — no account needed.

8.3/ 10

Great

Typical September

Feels-like high / low74° / 59°F

SkyPartly cloudy

HumidityComfortable

RainRegular

September in Chicago is typically warm and partly cloudy, with comfortable humidity and a fair bit of rain — a great time to be outside.

Chicago — every month

Jan4.2 Feb4.3 Mar4.2 Apr4.3 May5.4 Jun7.9 Jul6.6 Aug7.3 Sep8.3 Oct4.7 Nov4.6 Dec4.2

See the full day-by-day plan for Chicago →

September in other cities

Minneapolis in September Toronto in September Washington in September Atlanta in September New York in September Montreal in September

Scores are read from years of daily weather history (Open-Meteo) and climate normals (NASA POWER) — a typical read, not a forecast, and personal to your own comfort once you set your preferences above.