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Get the monthly weather forecast for Chicago, IL, including daily high/low, historical averages, to help you plan ahead.
Jul 27, 2022 · Learn what to expect from the weather in Chicago in September, from warm and dry days to cool and cloudy evenings. Find out what to pack, what to do, and where to go for your vacation in the Windy City.
Experience perfect weather in Chicago in September, characterized by high temperatures and moderate rainfall. Throughout the day, temperatures can rise to about 24°C. At night, they generally drop to 14°C. Precipitation. Chicago in September usually receives moderate rainfall, averaging around 95 mm for the month.
Sep 17, 2020 · Chicago Weather in September. As summer gives way to fall, the weather in Chicago fluctuates between summer warmth and autumnal chill, sometimes showcasing both in a single day. Chicago also sees its share of rain in September, averaging eight to 10 days of precipitation for about 3.4 inches throughout the month.
Jun 11, 2024 · In September, Chicago has a warm climate with an average temperature of 20.4°C (68.7°F). Daily highs reach an average of 24.5°C (76.1°F) while overnight lows tend to drop to 16.4°C (61.6°F), making the city quite comfortable during the day but slightly cooler in the evenings.
September Weather in Chicago Illinois, United States. Daily high temperatures decrease by 10°F, from 78°F to 68°F, rarely falling below 58°F or exceeding 86°F. Daily low temperatures decrease by 11°F, from 67°F to 55°F, rarely falling below 46°F or exceeding 73°F.
Weather.com brings you the most accurate monthly weather forecast for Chicago, IL with average/record and high/low temperatures, precipitation and more.
