September 5 in San José, through the years

Typical high: 28.6°. Hottest: 31.2° (2025). Coldest night: 23.2° (2007).

YEARHIGHLOWRAIN
2025 31.2° 24.9° 1 mm
2024 28.8° 24.6° 10.5 mm
2023 30.5° 24.2° 4.6 mm
2022 27.9° 24.2° 5.7 mm
2021 28.5° 23.7° 19.9 mm
2020 27.3° 24.2° 26.3 mm
2019 29.9° 25.4° 1.1 mm
2018 28.2° 23.4° 12.7 mm
2017 29.5° 24.4° 10.1 mm
2016 29° 24.2° 12.9 mm
2015 28.1° 23.5° 11.5 mm
2014 28.1° 24° 6.5 mm
2013 27.7° 23.4° 12.6 mm
2012 29.7° 24.5° 2.2 mm
2011 29.6° 24.5° 7.4 mm
2010 29.3° 24° 0.7 mm
2009 29° 24.6° 2.8 mm
2008 27.7° 23.8° 48.5 mm
2007 27.7° 23.2° 2.7 mm
2006 27.6° 23.5° 13.5 mm
2005 26.2° 23.2° 16.9 mm
2004 28.8° 24.1° 2.1 mm
2003 29° 23.8° 3.4 mm
2002 28.9° 23.7° 2.7 mm
2001 27.5° 24.1° 4.1 mm
2000 27.4° 23.3° 3.2 mm
1999 29.3° 24.2° 0.2 mm
1998 28.5° 23.7° 27 mm
1997 27.3° 23.5° 15.5 mm
1996 29.2° 25.3° 3.2 mm
Source: ERA5 reanalysis (Copernicus C3S)

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