September 9 in Brockville, through the years

Typical high: 21.7°. Hottest: 30° (2002). Coldest night: 10° (2025).

YEARHIGHLOWRAIN
2025 21.9° 10° 0 mm
2024 19.3° 14.5° 5.4 mm
2023 19.1° 17.1° 3.2 mm
2022 25.8° 15.3° 0 mm
2021 21.2° 16.1° 2.6 mm
2020 23.1° 16.2° 0 mm
2019 17.7° 12.7° 0 mm
2018 15.8° 12.7° 0 mm
2017 16.4° 11.2° 0 mm
2016 25.8° 21.1° 0 mm
2015 25.5° 19.3° 5.4 mm
2014 23° 16.1° 0 mm
2013 23.4° 10.4° 0 mm
2012 19.1° 14.7° 2 mm
2011 22.8° 17.3° 0 mm
2010 16.4° 14.8° 2.2 mm
2009 22.3° 17.5° 1.2 mm
2008 18.6° 14.1° 10.9 mm
2007 20.1° 17.7° 9 mm
2006 21.2° 14.5° 6.2 mm
2005 22.7° 16.7° 0 mm
2004 18.9° 16.7° 81.8 mm
2003 21.7° 14.3° 0 mm
2002 30° 19.4° 0 mm
2001 29.7° 23.3° 0 mm
2000 22.3° 18.2° 3.4 mm
1999 24.5° 19.2° 7.5 mm
1998 17.1° 12.6° 3.7 mm
1997 22.2° 13.7° 0 mm
1996 23.5° 18.4° 3.8 mm
Source: ERA5 reanalysis (Copernicus C3S)

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