September 2 in Walnut Creek, through the years

Typical high: 26.8°. Hottest: 34.5° (2011). Coldest night: 10.3° (2009).

YEARHIGHLOWRAIN
2025 25.9° 11.9° 0 mm
2024 22.1° 13.5° 0 mm
2023 29° 14.5° 0 mm
2022 28.9° 16.2° 0 mm
2021 24.6° 13.9° 0 mm
2020 28.2° 21.2° 7.7 mm
2019 25° 18.6° 10.8 mm
2018 31.5° 20.8° 0 mm
2017 17° 11.1° 11.2 mm
2016 24.3° 14.2° 0 mm
2015 29.8° 19.7° 0.4 mm
2014 25° 19.6° 8.8 mm
2013 27.3° 19.1° 3.9 mm
2012 25.7° 21.1° 34 mm
2011 34.5° 20.6° 0.2 mm
2010 33.5° 19.9° 0 mm
2009 24.7° 10.3° 0 mm
2008 31.6° 15° 0 mm
2007 27.3° 13.1° 0 mm
2006 16.4° 13.4° 5.6 mm
2005 28.1° 17.5° 0 mm
2004 27.3° 15.1° 0 mm
2003 21.5° 18.1° 28.5 mm
2002 29.3° 16.5° 0 mm
2001 23.5° 11.2° 0 mm
2000 29.2° 20.6° 1.8 mm
1999 30.7° 13.6° 0 mm
1998 24.5° 15.5° 0.2 mm
1997 28.6° 15.8° 0.3 mm
1996 27.7° 15.4° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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