September 1 in Westmount, through the years

Typical high: 22.1°. Hottest: 32.6° (2010). Coldest night: 6.9° (2002).

YEARHIGHLOWRAIN
2025 24.6° 11.5° 0 mm
2024 22.5° 16.1° 0.4 mm
2023 20.4° 8.6° 0 mm
2022 25.2° 17.5° 0 mm
2021 25.5° 16.1° 0 mm
2020 20.1° 8.1° 0 mm
2019 22° 11.8° 0 mm
2018 20.8° 12.7° 0 mm
2017 16.6° 10.1° 0.2 mm
2016 22.6° 17.1° 1.7 mm
2015 19.3° 12.4° 0 mm
2014 23.8° 18.1° 21.3 mm
2013 19.5° 16.9° 14.8 mm
2012 20.1° 12.7° 0 mm
2011 20.9° 11.4° 0 mm
2010 32.6° 18.8° 0 mm
2009 19.9° 10.1° 0 mm
2008 17.9° 12.9° 10.1 mm
2007 19.8° 15° 15.8 mm
2006 19.6° 10.3° 0 mm
2005 23.4° 18.7° 10.3 mm
2004 22.6° 17° 0.1 mm
2003 19.9° 8.9° 0 mm
2002 19.7° 6.9° 0 mm
2001 21.9° 17.3° 4.4 mm
2000 28.6° 14.9° 0.2 mm
1999 26.5° 11.4° 0 mm
1998 23° 14.3° 0 mm
1997 19.8° 14.3° 0.3 mm
1996 24.6° 14.1° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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