September 5 in San José, through the years

Typical high: 29.9°. Hottest: 34.4° (2023). Coldest night: 21.1° (2018).

YEARHIGHLOWRAIN
2025 29.7° 22.8° 3.3 mm
2024 32.4° 23.1° 0.7 mm
2023 34.4° 22.4° 1 mm
2022 28.7° 21.6° 11.8 mm
2021 31.3° 23.4° 2.1 mm
2020 30.8° 22.5° 6 mm
2019 28.2° 23° 16.6 mm
2018 27.8° 21.1° 13.5 mm
2017 29.4° 22.6° 14.5 mm
2016 28.4° 23° 11.3 mm
2015 31.3° 23.2° 4.6 mm
2014 32.1° 22.3° 1.4 mm
2013 29.5° 22.5° 13.7 mm
2012 26.7° 22.5° 17 mm
2011 31.8° 23.1° 8.2 mm
2010 32.1° 22.8° 3.7 mm
2009 30.3° 23.5° 1.7 mm
2008 31.3° 23.2° 5.1 mm
2007 29.6° 22.1° 6.5 mm
2006 30.5° 22.3° 15.2 mm
2005 31.5° 22.2° 4.4 mm
2004 27.9° 22.1° 4.9 mm
2003 30.6° 22.2° 6.3 mm
2002 29.9° 22.5° 9.4 mm
2001 26.8° 22.3° 13.6 mm
2000 27.1° 21.9° 15.4 mm
1999 27.4° 22.1° 19 mm
1998 30.5° 22.7° 0.8 mm
1997 28.6° 23.1° 11.2 mm
1996 30.5° 22.7° 4.4 mm
Source: ERA5 reanalysis (Copernicus C3S)

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