September 10 in Florissant, through the years

Typical high: 18.6°. Hottest: 27.5° (2021). Coldest night: -4.5° (2020).

YEARHIGHLOWRAIN
2025 23.2° 7.9° 0.3 mm
2024 21.8° 7.8° 3 mm
2023 17.8° 7.2° 10.3 mm
2022 9.3° 4.6° 2.9 mm
2021 27.5° 0 mm
2020 4.5° -4.5° 3.3 mm
2019 21.4° 7.7° 0.5 mm
2018 23.4° 7.8° 0 mm
2017 22.6° 8.2° 4.4 mm
2016 22.6° -0.4° 0 mm
2015 22.6° 5.7° 0 mm
2014 16.9° 6.9 mm
2013 16.6° 1.4 mm
2012 23.2° 5.6° 0 mm
2011 16.2° 2.4° 0.3 mm
2010 18.6° 3.4° 0 mm
2009 19.2° 4.8° 3.4 mm
2008 17.8° 5.6° 0.5 mm
2007 13.2° 4.2° 0.3 mm
2006 13.9° 1.5° 3.4 mm
2005 22° 8.4° 0 mm
2004 19.1° 0.8 mm
2003 13.2° 2.3° 0.1 mm
2002 10.4° 6.8° 6.8 mm
2001 20.9° -1.9° 0 mm
2000 21.9° 3.7° 0 mm
1999 18.5° 6.4° 0.9 mm
1998 21.1° 7.8° 0 mm
1997 19.2° 4.5° 0.2 mm
1996 20.2° 1.4 mm
Source: ERA5 reanalysis (Copernicus C3S)

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