September 5 in San José, through the years

Typical high: 19°. Hottest: 22° (2009). Coldest night: 10.9° (2010).

YEARHIGHLOWRAIN
2025 19.1° 13.3° 8.5 mm
2024 17.4° 13.7° 11.1 mm
2023 19.4° 14.8° 28.8 mm
2022 17.4° 13.4° 12.7 mm
2021 19.8° 14.2° 22.9 mm
2020 20.1° 14° 12.7 mm
2019 21° 14° 9.9 mm
2018 19.4° 13.4° 17 mm
2017 20° 13.1° 7.3 mm
2016 19.6° 13.2° 10.1 mm
2015 18.4° 14.6° 14.8 mm
2014 21.4° 13.8° 12.2 mm
2013 20.9° 13.6° 7.7 mm
2012 18.1° 13.5° 23.8 mm
2011 18.1° 13.1° 11.4 mm
2010 19.8° 10.9° 5.8 mm
2009 22° 14.1° 21.7 mm
2008 20.8° 13.8° 6.3 mm
2007 18.6° 12.9° 15.8 mm
2006 19.2° 11.7° 7.1 mm
2005 18.2° 11.8° 9.2 mm
2004 17.7° 13.7° 12.2 mm
2003 16.6° 12.8° 13.5 mm
2002 16.6° 13° 17.4 mm
2001 18.2° 13.3° 16.8 mm
2000 20.5° 12.6° 3 mm
1999 16.4° 13.3° 19.2 mm
1998 18.6° 13.3° 18.6 mm
1997 19.2° 11.7° 11.6 mm
1996 18.4° 11.5° 11.1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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