September 11 in Happy Valley, through the years

Typical high: 11.4°. Hottest: 17.7° (2021). Coldest night: -3.3° (2002).

YEARHIGHLOWRAIN
2025 8.2° -0.1° 2.2 mm
2024 14° 3.5° 0 mm
2023 12.9° -0.1° 0 mm
2022 8.4° 0.2° 0 mm
2021 17.7° 6.1° 0 mm
2020 15.6° 1.4° 0 mm
2019 14.4° -3° 0 mm
2018 16.2° 4.8° 0 mm
2017 10.4° -2.7° 0 mm
2016 11.5° 2.3° 0 mm
2015 15.1° 1.1° 0 mm
2014 10.1° 3.2° 0 mm
2013 7.8° 1.1° 0 mm
2012 15° 0.7° 0 mm
2011 6.6° -0.7° 3.1 mm
2010 10.2° -0.5° 0 mm
2009 13.7° -1.5° 0 mm
2008 12° -2.2° 0 mm
2007 7.3° 4.4° 4.6 mm
2006 -0.3° 0 mm
2005 10.1° 0.6° 10.9 mm
2004 7.4° -1° 7.5 mm
2003 10.4° 4.1° 0.9 mm
2002 8.2° -3.3° 0 mm
2001 15° 0 mm
2000 6.8° 1.3° 7.2 mm
1999 8.7° -1° 0 mm
1998 14.4° 5.2° 2.4 mm
1997 12.7° 1.9° 0 mm
1996 13.2° 1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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