September 1 in Hayward (historical), through the years

Typical high: 27.3°. Hottest: 35.4° (2012). Coldest night: 6.3° (2006).

YEARHIGHLOWRAIN
2025 24.4° 10.3° 0 mm
2024 27.7° 10.6° 0 mm
2023 31.5° 14.3° 0 mm
2022 34.9° 15° 0 mm
2021 24.3° 17.4° 1.7 mm
2020 26.3° 9.7° 0 mm
2019 27.1° 13.6° 0 mm
2018 27.3° 10° 0 mm
2017 29.3° 16.3° 0 mm
2016 26.8° 13.7° 0 mm
2015 31.1° 13.2° 0 mm
2014 20.6° 6.9° 3.8 mm
2013 27.8° 8.6° 0 mm
2012 35.4° 20.6° 0 mm
2011 24.7° 15.3° 0 mm
2010 25.9° 8.7° 0 mm
2009 28.1° 10.9° 0.9 mm
2008 23.6° 9.1° 28.2 mm
2007 31.7° 18.8° 0.9 mm
2006 14.1° 6.3° 12.1 mm
2005 26.9° 0 mm
2004 33.7° 14.3° 0 mm
2003 29.2° 10.7° 0 mm
2002 30.7° 14.7° 0 mm
2001 31° 15° 0.4 mm
2000 29.7° 12.1° 0 mm
1999 20.4° 12.1° 20.6 mm
1998 28° 11.1° 0 mm
1997 22.2° 14.4° 0.1 mm
1996 25.7° 13.2° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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