September 6 in Helena, through the years

Typical high: 29.2°. Hottest: 37.7° (2022). Coldest night: 5.4° (2015).

YEARHIGHLOWRAIN
2025 26.6° 13.4° 1.1 mm
2024 32° 14.6° 0 mm
2023 25.3° 10.8° 0 mm
2022 37.7° 17.9° 0 mm
2021 33.5° 14° 0 mm
2020 37.6° 20.5° 0 mm
2019 28.7° 9.9° 0 mm
2018 28.6° 11.7° 0 mm
2017 29.3° 17.7° 1 mm
2016 25.5° 8.2° 0 mm
2015 27.4° 5.4° 0 mm
2014 30.3° 11.6° 0 mm
2013 27.6° 6.4° 0 mm
2012 29.9° 12.5° 0 mm
2011 32.4° 14.7° 0 mm
2010 30° 9.8° 0 mm
2009 19.3° 7.9° 0 mm
2008 34.8° 16.6° 0 mm
2007 30.6° 14.6° 0 mm
2006 32.1° 15.7° 0 mm
2005 27.3° 10.7° 0 mm
2004 31.9° 13.6° 0 mm
2003 26.6° 13° 0 mm
2002 16.6° 5.4° 0.6 mm
2001 28.7° 7.2° 0 mm
2000 26° 7.3° 0 mm
1999 31° 9.5° 0 mm
1998 32.9° 17.7° 0 mm
1997 27.9° 9.9° 0 mm
1996 26.7° 7.8° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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