September 3 in San José, through the years

Typical high: 28°. Hottest: 30.7° (2025). Coldest night: 17.1° (2019).

YEARHIGHLOWRAIN
2025 30.7° 19.9° 0.2 mm
2024 28.9° 18.8° 12.2 mm
2023 29.5° 20.1° 3.2 mm
2022 29° 18.6° 0.7 mm
2021 26.7° 19.3° 11.8 mm
2020 26.3° 18.3° 3.5 mm
2019 30.6° 17.1° 2.5 mm
2018 29.8° 18.4° 12.9 mm
2017 28.2° 19.3° 13.3 mm
2016 27.6° 19° 0.2 mm
2015 29.3° 18.4° 21.4 mm
2014 28.5° 17.6° 0.3 mm
2013 27.1° 17.2° 10.4 mm
2012 27.9° 18.3° 2.1 mm
2011 26.7° 18.4° 2.5 mm
2010 22.2° 19° 16.8 mm
2009 29.3° 20.6° 0 mm
2008 25.8° 19.4° 16.2 mm
2007 28° 19° 8.7 mm
2006 27.8° 18° 0 mm
2005 28.3° 17.4° 2.9 mm
2004 28.4° 20.3° 22.4 mm
2003 29° 18.4° 2 mm
2002 28.4° 17.7° 8 mm
2001 28.1° 17.6° 1.3 mm
2000 28° 19.6° 11.6 mm
1999 26.4° 17.6° 12 mm
1998 24.7° 19.1° 8.4 mm
1997 29.8° 19.7° 0 mm
1996 27.5° 19.1° 6.2 mm
Source: ERA5 reanalysis (Copernicus C3S)

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