September 4 in Francisco, through the years

Typical high: 15.3°. Hottest: 19.2° (2021). Coldest night: -5.1° (2005).

YEARHIGHLOWRAIN
2025 14.8° 0.2° 2.8 mm
2024 17.5° -2.4° 0 mm
2023 15.6° -2.8° 0 mm
2022 16.3° -0.2° 0 mm
2021 19.2° -0.4° 0 mm
2020 16.7° 0.8° 1.8 mm
2019 11.5° 0.7° 1.5 mm
2018 16.8° -4.6° 0 mm
2017 17.1° -0.4° 0.1 mm
2016 13.1° -1.7° 1.7 mm
2015 15° 0.7° 1 mm
2014 11.6° 6.7 mm
2013 14.7° -3.6° 0 mm
2012 17.1° -2.2° 0 mm
2011 15.1° -0.8° 0.5 mm
2010 14.4° 3.8° 2.1 mm
2009 14.4° 0.3° 0 mm
2008 14.8° -2° 3.9 mm
2007 14.2° -0.4° 1.9 mm
2006 15.4° -2.1° 0 mm
2005 17.1° -5.1° 0 mm
2004 15.8° -0.7° 0.5 mm
2003 13.6° -2.5° 6.8 mm
2002 14.6° 0.2° 4.2 mm
2001 12.1° -0.1° 2.7 mm
2000 17.1° -0.8° 0 mm
1999 13.7° -1.1° 7.1 mm
1998 16.8° -0.2° 0 mm
1997 17.6° -3.2° 0 mm
1996 15.9° -2.1° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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