September 9 in San José, through the years

Typical high: 31.6°. Hottest: 38.1° (2024). Coldest night: 14.5° (2003).

YEARHIGHLOWRAIN
2025 34.6° 23.8° 0 mm
2024 38.1° 20.3° 0 mm
2023 35.4° 24.3° 1.5 mm
2022 35.5° 23.9° 0 mm
2021 23.4° 16.7° 3 mm
2020 36° 18.5° 0 mm
2019 34.8° 22.9° 0 mm
2018 35.5° 20.5° 0 mm
2017 35.4° 23.7° 0.7 mm
2016 32.7° 17.6° 0 mm
2015 33.7° 22.7° 7.3 mm
2014 35.3° 23.7° 0 mm
2013 30.4° 21.1° 0.4 mm
2012 35.1° 23.4° 0 mm
2011 21.4° 15.7° 18.3 mm
2010 35.4° 17.4° 0 mm
2009 27.5° 19.6° 0.1 mm
2008 34° 17.4° 0 mm
2007 34.4° 23.4° 1.1 mm
2006 24.1° 19.7° 14.1 mm
2005 32.9° 22.3° 0.4 mm
2004 29.3° 20.2° 1.8 mm
2003 23° 14.5° 18.4 mm
2002 32° 18.6° 0 mm
2001 35.8° 24.3° 0.2 mm
2000 33.2° 23.4° 2.9 mm
1999 27.4° 21.1° 19.5 mm
1998 23.2° 19.8° 37.4 mm
1997 34.6° 25.3° 0 mm
1996 23.1° 14.5° 21.1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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