September 9 in San José, through the years

Typical high: 34.7°. Hottest: 39° (2012). Coldest night: 22.2° (2011).

YEARHIGHLOWRAIN
2025 34.4° 23.8° 3 mm
2024 33.6° 26.2° 1.9 mm
2023 34.9° 23.4° 0.7 mm
2022 31.6° 23.3° 16.5 mm
2021 33.6° 24.5° 12.4 mm
2020 37.1° 24.8° 1.1 mm
2019 34.5° 23.4° 0.2 mm
2018 32.8° 23° 3.6 mm
2017 32° 24.3° 1.4 mm
2016 33.5° 24.1° 8.2 mm
2015 34.1° 24.6° 0.2 mm
2014 33.1° 22.9° 0.5 mm
2013 32.6° 23.1° 4.8 mm
2012 39° 24.4° 0.1 mm
2011 33° 22.2° 0.2 mm
2010 34.5° 23.5° 2.4 mm
2009 37° 24.6° 0 mm
2008 33.8° 22.6° 0 mm
2007 33.4° 22.6° 5.9 mm
2006 35.2° 23.9° 4.8 mm
2005 36.1° 23.5° 0 mm
2004 35.6° 23.2° 5.8 mm
2003 36.2° 25.3° 0.2 mm
2002 35.3° 24° 6.7 mm
2001 36.8° 25.3° 2.8 mm
2000 34.8° 24.5° 0.5 mm
1999 36.5° 24.2° 13.1 mm
1998 35.1° 23.7° 23.3 mm
1997 34.8° 22.7° 1.3 mm
1996 35.3° 22.3° 4.1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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