In September, Chicago averages a high of 75°F (24°C) and a low of 57°F (14°C). Most runs feel like about 66°F (19°C) once you factor in a typical morning or evening start, so dress for that number rather than the thermometer. Lakefront wind and big seasonal swings make dressing right a real skill in Chicago.
75°F (24°C)
57°F (14°C)
Feels like 66°F (19°C)
Almost any time works this month. Early mornings are coolest if you prefer to avoid the 75°F (24°C) afternoon high.
Singlet or Tank
Maximum breathability for hot conditions
Running Shorts
Lightweight with built-in brief
Running Shoes
Your regular training shoes
$85
$50
$349
$17
$16
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In September, Chicago runs feel like about 66°F (19°C). A short or long-sleeve tech shirt with shorts or light tights is ideal. Carry a packable layer if it is windy.
September is some of the best running weather of the year in Chicago, with average highs near 75°F (24°C) and lows near 57°F (14°C).
Shorts are the standard in Chicago in September. At feels-like 66°F (19°C) tights will leave you overheating.
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