September 4 in Winona, through the years

Typical high: 22.6°. Hottest: 34.9° (2023). Coldest night: 4.3° (1997).

YEARHIGHLOWRAIN
2025 11.7° 4.8° 3.5 mm
2024 27.5° 14.4° 0 mm
2023 34.9° 19.3° 0 mm
2022 21.5° 4.6° 0 mm
2021 20° 14.6° 4.6 mm
2020 18.8° 8.8° 0.2 mm
2019 17.7° 7.7° 0 mm
2018 22.7° 15.2° 14.4 mm
2017 18.4° 11.2° 11.8 mm
2016 26.1° 12.3° 0 mm
2015 29.7° 14.5° 0 mm
2014 23° 15° 7.6 mm
2013 17.2° 7.7° 0 mm
2012 30.9° 13.5° 0 mm
2011 17.3° 8.4° 11.1 mm
2010 14.2° 7.8° 0.9 mm
2009 25.8° 9.1° 0 mm
2008 15.9° 7.7° 0 mm
2007 22.3° 14.1° 21.4 mm
2006 24.4° 10.8° 0 mm
2005 25° 8.6° 0 mm
2004 29.7° 15.2° 0 mm
2003 17.2° 7.7° 0.3 mm
2002 21.6° 11.9° 0 mm
2001 21.7° 9.6° 0 mm
2000 18.2° 6.6° 0 mm
1999 30.6° 19.5° 1.3 mm
1998 26.2° 6.8° 0 mm
1997 21.9° 4.3° 0 mm
1996 25.6° 15.2° 4.8 mm
Source: ERA5 reanalysis (Copernicus C3S)

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