September 4 in Mount Royal, through the years

Typical high: 28.2°. Hottest: 35° (2023). Coldest night: 10.9° (2024).

YEARHIGHLOWRAIN
2025 26.8° 16.5° 4.5 mm
2024 24.9° 10.9° 0 mm
2023 35° 21.6° 0 mm
2022 31.2° 20.8° 0.2 mm
2021 25.8° 14° 0 mm
2020 29.5° 19.8° 0 mm
2019 32.6° 20.9° 0 mm
2018 33.3° 23° 4.1 mm
2017 28.1° 14.3° 0 mm
2016 27.8° 15.7° 0 mm
2015 32.7° 22.4° 0 mm
2014 30° 17.4° 0 mm
2013 27.1° 14.4° 0 mm
2012 26.7° 22.2° 7.2 mm
2011 30.3° 21.6° 9.9 mm
2010 23.8° 16.1° 0 mm
2009 27.5° 15.8° 0 mm
2008 32.4° 17.8° 0 mm
2007 30.2° 19.2° 0 mm
2006 23.8° 14.7° 0.2 mm
2005 26.2° 15.4° 0 mm
2004 29.6° 18.2° 0 mm
2003 25.2° 19.7° 2.9 mm
2002 31° 20.1° 8 mm
2001 27.3° 19.6° 1.8 mm
2000 27.9° 16.4° 0.9 mm
1999 27.7° 19.3° 0.7 mm
1998 29° 18.1° 3.6 mm
1997 21° 11.1° 0 mm
1996 21.3° 19° 29.7 mm
Source: ERA5 reanalysis (Copernicus C3S)

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