September 7 in Helena, through the years

Typical high: 30.7°. Hottest: 34.7° (2013). Coldest night: 11.8° (2017).

YEARHIGHLOWRAIN
2025 27° 14.6° 0 mm
2024 26.6° 17.7° 0 mm
2023 30.9° 20.3° 0 mm
2022 31.9° 22.2° 0.4 mm
2021 30.5° 17.2° 0 mm
2020 32.5° 20° 0 mm
2019 33° 23.8° 0 mm
2018 28.7° 23.5° 6.4 mm
2017 25.3° 11.8° 0 mm
2016 33.1° 23.7° 0.1 mm
2015 33.1° 23.7° 0 mm
2014 29.2° 20.7° 0 mm
2013 34.7° 20.1° 0 mm
2012 34.7° 23.7° 0 mm
2011 25.4° 12.6° 0 mm
2010 33° 24.4° 5.3 mm
2009 32.3° 20.9° 0 mm
2008 30.1° 16.5° 0 mm
2007 32.4° 24.3° 6 mm
2006 29.4° 16.4° 0 mm
2005 30.9° 19.3° 0 mm
2004 27.9° 21° 0 mm
2003 27.4° 19.8° 0.2 mm
2002 32.5° 24.1° 0.3 mm
2001 32.3° 23.5° 0.4 mm
2000 24.8° 20.6° 7.7 mm
1999 34.7° 22.1° 0 mm
1998 34.3° 21.9° 0 mm
1997 29.9° 19.3° 0.4 mm
1996 32.3° 21.4° 0.5 mm
Source: ERA5 reanalysis (Copernicus C3S)

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