September 9 in Los Altos, through the years

Typical high: 23.6°. Hottest: 27.9° (1997). Coldest night: 10.1° (2018).

YEARHIGHLOWRAIN
2025 24.1° 10.9° 2.5 mm
2024 25.5° 14.3° 0 mm
2023 25.5° 14.1° 0.7 mm
2022 25.6° 15.5° 1.7 mm
2021 21.2° 14.1° 4.8 mm
2020 26.4° 14° 0 mm
2019 24.8° 13.9° 0.9 mm
2018 25.7° 10.1° 0 mm
2017 25.1° 13.2° 1.1 mm
2016 24.7° 11.8° 0.1 mm
2015 23.5° 16.3° 1.8 mm
2014 27° 14.9° 0 mm
2013 22.4° 12.2° 7.1 mm
2012 25.5° 14.5° 1.7 mm
2011 17.6° 14.8° 4.3 mm
2010 24.2° 13.8° 0.7 mm
2009 19.7° 14.3° 1.6 mm
2008 26.5° 11.3° 0.5 mm
2007 24.2° 13.6° 1 mm
2006 19.7° 12.5° 8.7 mm
2005 25.1° 11.8° 1.5 mm
2004 23.1° 13.1° 11 mm
2003 17.5° 11.1° 21.7 mm
2002 24.8° 14.5° 4.7 mm
2001 26.2° 16.2° 2.4 mm
2000 24.1° 14° 0.9 mm
1999 25.5° 15.4° 3.9 mm
1998 18° 14.3° 13.6 mm
1997 27.9° 16.2° 0.2 mm
1996 18.2° 11.8° 8.8 mm
Source: ERA5 reanalysis (Copernicus C3S)

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