September 9 in San José, through the years

Typical high: 33.8°. Hottest: 39.7° (2023). Coldest night: 16.4° (2004).

YEARHIGHLOWRAIN
2025 32.1° 23.2° 0.2 mm
2024 28.9° 18.2° 0 mm
2023 39.7° 26.1° 0 mm
2022 34.3° 22.6° 0 mm
2021 36.5° 23.8° 0 mm
2020 30.9° 19.6° 4.8 mm
2019 33.6° 24.1° 0 mm
2018 28.3° 22.1° 15.1 mm
2017 30.9° 22.1° 1.7 mm
2016 37.3° 24.2° 0 mm
2015 38.6° 25.5° 0 mm
2014 38.5° 23.9° 0 mm
2013 34.8° 23.8° 0.9 mm
2012 31.8° 22° 6.9 mm
2011 36.7° 21.1° 0 mm
2010 34.6° 24.9° 0 mm
2009 34.4° 24.1° 4.9 mm
2008 30.2° 23.5° 3.8 mm
2007 33.9° 24.4° 0.5 mm
2006 34.1° 22.4° 3.2 mm
2005 33.7° 22.3° 0.8 mm
2004 30.5° 16.4° 0 mm
2003 33.1° 23.6° 1.2 mm
2002 29.4° 23.7° 6.3 mm
2001 35° 20.7° 23.1 mm
2000 38.3° 23.8° 0 mm
1999 33.5° 22.7° 1.6 mm
1998 31.9° 22.2° 3.9 mm
1997 36.4° 23.2° 0 mm
1996 32.8° 23.7° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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