September 9 in San José, through the years

Typical high: 31°. Hottest: 33.4° (2011). Coldest night: 22.3° (2008).

YEARHIGHLOWRAIN
2025 32.2° 24° 0.4 mm
2024 32.3° 25.4° 0.5 mm
2023 32° 23.7° 0.5 mm
2022 31.2° 23.5° 13.2 mm
2021 31.8° 23.6° 5.2 mm
2020 29.5° 23.8° 7.1 mm
2019 31.8° 24.8° 0 mm
2018 30.9° 23.5° 0.3 mm
2017 29.9° 23.5° 3.1 mm
2016 31.4° 23.4° 2.6 mm
2015 31.3° 24.2° 1.2 mm
2014 29° 23.3° 7.9 mm
2013 31.4° 23.9° 9.9 mm
2012 29.5° 23.9° 6.2 mm
2011 33.4° 22.7° 5.2 mm
2010 33.2° 23.9° 6.7 mm
2009 32.1° 24.9° 2.6 mm
2008 28.6° 22.3° 8.5 mm
2007 30.1° 22.6° 2.2 mm
2006 32.4° 22.4° 0.9 mm
2005 30.4° 22.3° 5.9 mm
2004 29.5° 22.7° 13.3 mm
2003 28.7° 22.5° 19.1 mm
2002 28.7° 22.9° 6.7 mm
2001 30.7° 23.1° 0 mm
2000 32.6° 22.3° 8.7 mm
1999 31° 23.1° 6.3 mm
1998 32.4° 23.6° 6.1 mm
1997 32.5° 23.8° 11.7 mm
1996 29.7° 22.3° 7.4 mm
Source: ERA5 reanalysis (Copernicus C3S)

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