September 6 in San José, through the years

Typical high: 29.4°. Hottest: 33.9° (2004). Coldest night: 17.8° (2025).

YEARHIGHLOWRAIN
2025 31.1° 17.8° 0.3 mm
2024 28.1° 20.6° 10.1 mm
2023 31° 19.6° 1.1 mm
2022 30.2° 19.7° 0.7 mm
2021 31.6° 19.7° 7.6 mm
2020 31.6° 19.6° 9.7 mm
2019 30° 19.6° 1 mm
2018 29.9° 19.4° 0.2 mm
2017 30.4° 17.8° 0.8 mm
2016 26° 20° 5 mm
2015 29.1° 21° 0.1 mm
2014 27.6° 19.1° 16 mm
2013 29.6° 18.1° 14.3 mm
2012 28.8° 20.4° 2.8 mm
2011 28.7° 19° 9.2 mm
2010 28.2° 19.1° 1.6 mm
2009 29.4° 20.6° 1 mm
2008 29.6° 19.9° 0.5 mm
2007 30.1° 19° 9.7 mm
2006 29.9° 19° 0.6 mm
2005 27.7° 19.1° 1.6 mm
2004 33.9° 20.3° 0.2 mm
2003 31.1° 19.5° 0 mm
2002 29.4° 19.5° 3.4 mm
2001 27.9° 19.5° 9.3 mm
2000 27.4° 19.4° 10.6 mm
1999 27.6° 18.7° 6.5 mm
1998 27.4° 19.7° 8.4 mm
1997 29.8° 18.3° 0.4 mm
1996 28° 19° 4.1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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