Chicago in Autumn — Weather & What to Expect
Autumn in Chicago (September, October, November) averages daytime highs of 16.6°C and lows of 8.8°C, with around 273.8mm of rain across the season (27 rainy days in total). It includes some of the best months of the year to visit (September, October, November).
In the northern hemisphere, autumn in Chicago covers September, October, November.
Autumn in Chicago month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| September | 23.5°C | 15.7°C | 106.1mm | 8 | 9/10 |
| October | 16.4°C | 8.8°C | 130.3mm | 14 | 9/10 |
| November | 9.9°C | 1.9°C | 37.4mm | 5 | 10/10 |
What to pack for Chicago in autumn
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
- Warm layers
- Light jacket or fleece
Frequently Asked Questions
Is autumn a good time to visit Chicago?
Autumn in Chicago rates around 9/10 — excellent time to visit. Average highs are 16.6°C with 273.8mm of rain across the season.
How hot is Chicago in autumn?
Daytime highs average 16.6°C (61.9°F) across September, October, November, with nights around 8.8°C.
What months are autumn in Chicago?
Chicago is in the northern hemisphere, so autumn covers September, October, November.
See also: best time to visit Chicago · Chicago annual climate · Chicago in spring · Chicago in summer · Chicago in winter
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Once you know what autumn in Chicago looks like, find out exactly what to pack for Chicago at 247PackingList. For currency, language and country facts, see the United States guide at 247CountryInfo.
Autumn in Chicago — what to pack
Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →Check clothing sizes in United States at 247Sizing before you shop.
More autumn travel essentials
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.