September 5 in Hayward, through the years

Typical high: 23.3°. Hottest: 30.9° (2007). Coldest night: (2025).

YEARHIGHLOWRAIN
2025 11.8° 5 mm
2024 21.4° 12° 17.2 mm
2023 30.7° 21.8° 9.1 mm
2022 24.5° 10.5° 0 mm
2021 20.8° 11.9° 0 mm
2020 22.2° 9.4° 0 mm
2019 20.3° 10.3° 8.7 mm
2018 20° 11.8° 9.9 mm
2017 14.4° 9.1° 2.2 mm
2016 23.8° 17.4° 26.8 mm
2015 28° 19.6° 3.5 mm
2014 19.4° 10.4° 0.5 mm
2013 23.4° 8.8° 0 mm
2012 24° 14.9° 2.9 mm
2011 17° 6.9° 0 mm
2010 19.4° 0 mm
2009 24.4° 11.3° 0 mm
2008 18.6° 8.3° 0.5 mm
2007 30.9° 18.3° 0 mm
2006 27.4° 12.2° 0 mm
2005 27.7° 16° 0 mm
2004 26.8° 19.1° 1.3 mm
2003 26.2° 8.7° 0 mm
2002 24.3° 16.4° 0.2 mm
2001 27.5° 14.2° 0 mm
2000 20.2° 7.3° 0 mm
1999 19.7° 12.5° 18.3 mm
1998 30.2° 15.7° 0 mm
1997 25° 12.6° 8.4 mm
1996 27.8° 17.3° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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