September 9 in Chicago, through the years

Typical high: 31.1°. Hottest: 34° (2008). Coldest night: 21.6° (1997).

YEARHIGHLOWRAIN
2025 32.7° 23.6° 2.3 mm
2024 30.6° 24.6° 13.4 mm
2023 31.5° 24.3° 4.8 mm
2022 32.7° 23.6° 5.1 mm
2021 30.3° 23.3° 8.1 mm
2020 33.3° 23.2° 8.9 mm
2019 29° 23.9° 9 mm
2018 31.2° 22.4° 14.3 mm
2017 33.1° 23.3° 0.7 mm
2016 30.1° 23.4° 15.5 mm
2015 30.7° 24° 5.2 mm
2014 30.6° 23.1° 10 mm
2013 32.2° 23.5° 13.5 mm
2012 28.2° 23.1° 7.6 mm
2011 32.4° 23.3° 0.9 mm
2010 32.8° 23° 5.5 mm
2009 31.2° 23.6° 6.1 mm
2008 34° 23.8° 0 mm
2007 29.7° 23.2° 10.6 mm
2006 30.1° 22.5° 7.5 mm
2005 30.2° 24° 11.4 mm
2004 31.8° 22° 4 mm
2003 30.9° 23.2° 4 mm
2002 31.5° 23.8° 1.1 mm
2001 29.4° 23.1° 4.9 mm
2000 29.6° 22.4° 8.1 mm
1999 30.7° 22.7° 5 mm
1998 32° 23.4° 3.1 mm
1997 30.8° 21.6° 0.3 mm
1996 29.2° 22.3° 7.3 mm
Source: ERA5 reanalysis (Copernicus C3S)

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