September 4 in San José, through the years

Typical high: 32°. Hottest: 34.2° (2024). Coldest night: 23.5° (1999).

YEARHIGHLOWRAIN
2025 32.6° 26.2° 5.3 mm
2024 34.2° 25.5° 3.2 mm
2023 32.9° 24.8° 4 mm
2022 33° 25.5° 1.8 mm
2021 30.6° 26° 2.4 mm
2020 30.9° 24.7° 9 mm
2019 33.9° 27° 1.6 mm
2018 33.9° 26.3° 0.7 mm
2017 31.7° 26.5° 2.8 mm
2016 32.9° 25.7° 3.5 mm
2015 34° 26.1° 0.7 mm
2014 31.8° 24.8° 1.4 mm
2013 30.8° 24.1° 9.8 mm
2012 32.7° 26.1° 7.7 mm
2011 31.9° 24.4° 4 mm
2010 31.3° 24.9° 8.4 mm
2009 32.3° 26° 8.9 mm
2008 30° 24.5° 4.4 mm
2007 32° 24.3° 4.6 mm
2006 31.3° 25.8° 5.3 mm
2005 32.8° 25.4° 7.7 mm
2004 31.4° 25.7° 20.9 mm
2003 32.4° 25° 5.4 mm
2002 33° 24.6° 7.8 mm
2001 31.8° 24.3° 8.1 mm
2000 28.7° 24° 24.8 mm
1999 31.2° 23.5° 5.7 mm
1998 30.4° 24.3° 7.9 mm
1997 33.8° 26° 3.6 mm
1996 29.4° 23.7° 6.9 mm
Source: ERA5 reanalysis (Copernicus C3S)

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