September 4 in San José, through the years

Typical high: 32°. Hottest: 37.4° (2015). Coldest night: 21.2° (2007).

YEARHIGHLOWRAIN
2025 33.5° 24.3° 1.2 mm
2024 32.8° 22.5° 5.8 mm
2023 34.4° 22.6° 0 mm
2022 29.6° 22.2° 4.8 mm
2021 29.3° 22.4° 14.8 mm
2020 29.1° 22.6° 3.8 mm
2019 34.9° 24.6° 0.8 mm
2018 30.6° 25.1° 1 mm
2017 30.7° 22.7° 5.4 mm
2016 32.2° 22.3° 11.7 mm
2015 37.4° 25.8° 0.9 mm
2014 33.2° 22.9° 2.6 mm
2013 28.8° 21.3° 7.7 mm
2012 35.2° 24.6° 5.3 mm
2011 32.2° 22.2° 3.8 mm
2010 31.6° 21.4° 3.7 mm
2009 33.7° 24.4° 4.7 mm
2008 28.7° 21.4° 4.1 mm
2007 30.9° 21.2° 5.6 mm
2006 29.9° 22.3° 8.3 mm
2005 32.8° 21.4° 2.2 mm
2004 30.8° 24.4° 5.6 mm
2003 34.1° 23.7° 8.4 mm
2002 34.8° 23° 4 mm
2001 33.1° 23.1° 3.9 mm
2000 29.4° 21.4° 17.4 mm
1999 31.9° 21.6° 3.4 mm
1998 32.1° 21.5° 1.2 mm
1997 33.2° 23.8° 6 mm
1996 29.5° 21.7° 15 mm
Source: ERA5 reanalysis (Copernicus C3S)

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