September 5 in San José, through the years

Typical high: 31.5°. Hottest: 39.3° (2023). Coldest night: 18° (1996).

YEARHIGHLOWRAIN
2025 26.6° 21° 2 mm
2024 28.9° 20.6° 1.5 mm
2023 39.3° 25.2° 0 mm
2022 27.6° 18.6° 1.8 mm
2021 30.8° 20.4° 0.2 mm
2020 31.8° 22.6° 1.2 mm
2019 28.9° 24.1° 0.3 mm
2018 30.6° 21.6° 1.3 mm
2017 31.6° 18.2° 0.1 mm
2016 30.7° 19.8° 0 mm
2015 37° 24° 0 mm
2014 28.2° 22.4° 6.4 mm
2013 33.7° 20.7° 0 mm
2012 36.1° 22.9° 1 mm
2011 31° 20.2° 0 mm
2010 33.5° 18.7° 0 mm
2009 28.9° 19.1° 1.3 mm
2008 30° 18.7° 2.2 mm
2007 30.9° 21.2° 1.1 mm
2006 24.6° 20.1° 1.2 mm
2005 31.2° 22° 0 mm
2004 29.7° 23° 0.1 mm
2003 31.9° 18.4° 0 mm
2002 33.6° 20.6° 0 mm
2001 34.3° 19.9° 0 mm
2000 37.2° 21.1° 0 mm
1999 33.8° 22.9° 0 mm
1998 33.9° 19.6° 0 mm
1997 30.9° 20.7° 1.7 mm
1996 27.5° 18° 5.6 mm
Source: ERA5 reanalysis (Copernicus C3S)

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