September 4 in San José, through the years

Typical high: 30.9°. Hottest: 33° (1997). Coldest night: 25.9° (1996).

YEARHIGHLOWRAIN
2025 29.4° 27° 17.2 mm
2024 32° 30.6° 0 mm
2023 32.2° 30.1° 0 mm
2022 31.4° 29.2° 0 mm
2021 29.9° 26.8° 3.8 mm
2020 32.5° 30.5° 0 mm
2019 30.5° 28.7° 0 mm
2018 31.7° 29.3° 0 mm
2017 30° 28.4° 0 mm
2016 31.9° 29.8° 0 mm
2015 31.6° 29.4° 0.1 mm
2014 28.8° 27.1° 15.3 mm
2013 30.8° 27.9° 1 mm
2012 30.2° 28.5° 4.1 mm
2011 29.9° 28.2° 1.6 mm
2010 31.4° 29.6° 0.4 mm
2009 29° 27.2° 2.7 mm
2008 31.2° 29.4° 0 mm
2007 31.2° 28° 0.2 mm
2006 29.6° 27.5° 3.5 mm
2005 30.4° 28.6° 0 mm
2004 29° 26° 55.7 mm
2003 30.9° 28.1° 2.4 mm
2002 32.9° 30.2° 0 mm
2001 31.6° 30° 0 mm
2000 30.8° 28.2° 0 mm
1999 32.2° 29.2° 0 mm
1998 30.1° 26.7° 0 mm
1997 33° 28.3° 6.4 mm
1996 29.6° 25.9° 4.9 mm
Source: ERA5 reanalysis (Copernicus C3S)

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