September 5 in San José, through the years

Typical high: 22.2°. Hottest: 24.7° (1997). Coldest night: 18° (2005).

YEARHIGHLOWRAIN
2025 22.3° 19.3° 8.1 mm
2024 22.2° 18.6° 4.4 mm
2023 23.4° 21.2° 18.8 mm
2022 21.8° 19.1° 7.3 mm
2021 22.5° 19.7° 7 mm
2020 22.3° 18.5° 5.8 mm
2019 22.3° 18.5° 6.2 mm
2018 23.7° 18.3° 11.7 mm
2017 22.2° 19° 7.7 mm
2016 23.1° 20.4° 17.4 mm
2015 23.2° 20.6° 6.4 mm
2014 23.4° 19.5° 6.6 mm
2013 21.5° 18.8° 2.7 mm
2012 21.5° 18.9° 7.2 mm
2011 23° 18.7° 6 mm
2010 21.3° 18.3° 1.3 mm
2009 23.2° 19.3° 9 mm
2008 22.1° 19.4° 9.5 mm
2007 20.2° 18.8° 12.6 mm
2006 22° 19.6° 17.4 mm
2005 21.7° 18° 6.4 mm
2004 20.9° 18.2° 13.1 mm
2003 21.2° 19.3° 16.6 mm
2002 20.9° 18.6° 6.3 mm
2001 20.5° 18.8° 12.2 mm
2000 22° 19.3° 9.1 mm
1999 20.9° 18.6° 22.5 mm
1998 22.6° 19.8° 24.2 mm
1997 24.7° 21.8° 10.2 mm
1996 21.9° 18.2° 4.5 mm
Source: ERA5 reanalysis (Copernicus C3S)

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