September 4 in San Jose, through the years

Typical high: 27.2°. Hottest: 29.9° (1998). Coldest night: 20.8° (2000).

YEARHIGHLOWRAIN
2025 27.4° 23.5° 26.5 mm
2024 24.6° 22.7° 57.9 mm
2023 25.8° 22.8° 15.8 mm
2022 26.1° 23° 31.9 mm
2021 27.2° 22.7° 13.3 mm
2020 28.2° 23.2° 6.8 mm
2019 27.3° 23.2° 4.6 mm
2018 27° 22.5° 47.4 mm
2017 28.5° 23.7° 14.5 mm
2016 25.3° 23° 6.2 mm
2015 28.1° 22.7° 4 mm
2014 26.5° 22.7° 18.5 mm
2013 27.1° 22.1° 17.3 mm
2012 27.8° 22.2° 29.1 mm
2011 27.5° 22.4° 18.7 mm
2010 25.6° 21.6° 35.8 mm
2009 26.1° 23° 54.5 mm
2008 28.9° 22.4° 9.1 mm
2007 28.4° 21.5° 0.9 mm
2006 28.9° 22.6° 10.6 mm
2005 27.1° 22.9° 8.4 mm
2004 27° 22.4° 5.5 mm
2003 25.3° 22.1° 22.4 mm
2002 29° 21.9° 3.8 mm
2001 26.1° 22° 38.5 mm
2000 23.8° 20.8° 55.1 mm
1999 28° 22° 8.2 mm
1998 29.9° 21.9° 15.9 mm
1997 27.8° 21.4° 5 mm
1996 29.2° 20.9° 3.8 mm
Source: ERA5 reanalysis (Copernicus C3S)

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