September 9 in San Francisco, through the years

Typical high: 31.9°. Hottest: 38.5° (2023). Coldest night: 16.7° (2004).

YEARHIGHLOWRAIN
2025 30.4° 21.9° 1.8 mm
2024 26.7° 17.9° 0 mm
2023 38.5° 24.6° 0 mm
2022 32.8° 21.5° 0 mm
2021 34.6° 21.3° 0 mm
2020 30.6° 19.8° 7.5 mm
2019 31.3° 23.1° 0.2 mm
2018 26.2° 21.3° 9.6 mm
2017 27° 20.1° 4.1 mm
2016 34.5° 21.9° 0 mm
2015 36.6° 23.5° 0 mm
2014 35.3° 22.1° 0 mm
2013 31.1° 21.3° 2.3 mm
2012 28.6° 19.8° 11.2 mm
2011 35.5° 19.6° 0 mm
2010 33.7° 23.8° 0 mm
2009 31.5° 22.4° 13.6 mm
2008 29.3° 22.3° 5.4 mm
2007 31.7° 23.3° 1.5 mm
2006 31.2° 21.7° 24.5 mm
2005 29.5° 20.7° 1.6 mm
2004 29.3° 16.7° 0 mm
2003 32° 22° 5.1 mm
2002 33° 22.8° 5.2 mm
2001 33.3° 20.6° 38.2 mm
2000 37.2° 21.5° 0 mm
1999 30° 21° 3.5 mm
1998 29.3° 21.4° 4.2 mm
1997 34.5° 20.3° 0 mm
1996 31.3° 21.8° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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