September 4 in San José, through the years

Typical high: 31.7°. Hottest: 34.2° (1997). Coldest night: 21.7° (2001).

YEARHIGHLOWRAIN
2025 32.3° 24.3° 1.6 mm
2024 33.3° 24.1° 25.8 mm
2023 33.2° 23.4° 9.6 mm
2022 31.2° 23.5° 11.5 mm
2021 32° 23.6° 13.2 mm
2020 31.3° 22.7° 12.5 mm
2019 33.8° 23.7° 0.1 mm
2018 33.3° 23° 2.9 mm
2017 32.5° 22.7° 1.9 mm
2016 31.5° 23.5° 6.8 mm
2015 31.8° 23.6° 7.5 mm
2014 33.6° 22.5° 3.7 mm
2013 31.8° 23.5° 21.8 mm
2012 32.5° 23.1° 18.4 mm
2011 30.5° 22.9° 4.7 mm
2010 28.9° 22.1° 4 mm
2009 32.9° 23.1° 4.2 mm
2008 28.4° 23.1° 17.2 mm
2007 31.2° 22.1° 17.8 mm
2006 32.2° 22.7° 1.6 mm
2005 32.5° 22.4° 14.9 mm
2004 30.9° 22.4° 12.3 mm
2003 32° 21.9° 5.3 mm
2002 32.3° 22.1° 13.1 mm
2001 29.6° 21.7° 15.6 mm
2000 30.2° 23.2° 17.4 mm
1999 31.5° 22.2° 7.2 mm
1998 29.6° 22.7° 4.3 mm
1997 34.2° 23.8° 1.6 mm
1996 30.7° 22.1° 6.7 mm
Source: ERA5 reanalysis (Copernicus C3S)

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