September 4 in San Jose, through the years

Typical high: 29.3°. Hottest: 31.9° (2020). Coldest night: 25.4° (2003).

YEARHIGHLOWRAIN
2025 28.4° 26.5° 19.4 mm
2024 27.3° 26.5° 55.9 mm
2023 28° 26.8° 19.9 mm
2022 29° 26.7° 10.4 mm
2021 30° 26.2° 2 mm
2020 31.9° 27.9° 1.1 mm
2019 29.6° 26.5° 5.2 mm
2018 27.8° 25.6° 28.6 mm
2017 30.6° 27.9° 0.6 mm
2016 28.4° 26.9° 7.5 mm
2015 30.2° 26.3° 11 mm
2014 28.6° 25.8° 18 mm
2013 29.8° 25.7° 12 mm
2012 28.7° 25.6° 6.8 mm
2011 28.8° 26.1° 7.2 mm
2010 29.5° 25.6° 5.6 mm
2009 27.8° 26.2° 15.7 mm
2008 30.8° 27° 5.6 mm
2007 31.1° 27° 0.3 mm
2006 30.4° 25.9° 7.2 mm
2005 28.2° 26° 13.4 mm
2004 29.8° 26.9° 2 mm
2003 27.1° 25.4° 18 mm
2002 30.7° 26.7° 0.7 mm
2001 28.8° 26.4° 5.4 mm
2000 27.4° 25.4° 45.9 mm
1999 28.4° 25.6° 8.4 mm
1998 31.7° 26.3° 5.8 mm
1997 29.6° 26.8° 1.8 mm
1996 30.1° 26.4° 12.6 mm
Source: ERA5 reanalysis (Copernicus C3S)

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