September 7 in Helena, through the years

Typical high: 21.1°. Hottest: 30.3° (2002). Coldest night: (2011).

YEARHIGHLOWRAIN
2025 14.2° 6.2° 1.3 mm
2024 13.6° 5.8° 0 mm
2023 13.1° 9.2° 0 mm
2022 25.8° 10.4° 0 mm
2021 23.4° 12.1° 4.5 mm
2020 18° 9.3° 0 mm
2019 15.9° 10.6° 0.4 mm
2018 20° 4.3° 0 mm
2017 12.3° 6.8° 9.1 mm
2016 20.1° 17° 11.2 mm
2015 25.2° 18° 9 mm
2014 25.7° 7.7° 0 mm
2013 24.9° 13.6° 6.6 mm
2012 16.5° 10.6° 8 mm
2011 22.6° 0 mm
2010 17.2° 10.9° 4.9 mm
2009 27.1° 11.1° 0 mm
2008 20.4° 8.4° 0 mm
2007 22.6° 13.5° 9.7 mm
2006 27° 11° 2.1 mm
2005 21.2° 12.7° 0.4 mm
2004 17.2° 9.5° 0.4 mm
2003 24.8° 11.1° 0 mm
2002 30.3° 16.7° 0.2 mm
2001 25.7° 19° 9.7 mm
2000 24.2° 12.5° 2 mm
1999 23.5° 7.3° 0 mm
1998 16.2° 9.6° 2.2 mm
1997 18.4° 12.3° 0 mm
1996 25.6° 14.1° 2 mm
Source: ERA5 reanalysis (Copernicus C3S)

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