September 6 in San José, through the years

Typical high: 28.8°. Hottest: 30.2° (2023). Coldest night: 25° (2003).

YEARHIGHLOWRAIN
2025 29.9° 28.5° 1.3 mm
2024 29.5° 26.5° 8.3 mm
2023 30.2° 28.8° 0.9 mm
2022 28.1° 26.1° 7 mm
2021 29.8° 28.2° 0.1 mm
2020 28.2° 26.1° 8.4 mm
2019 28.9° 26° 4.4 mm
2018 28.3° 26° 14.4 mm
2017 27.7° 25.1° 3.3 mm
2016 29.8° 27° 2.1 mm
2015 29.7° 28.3° 0.5 mm
2014 29.5° 26.1° 2.7 mm
2013 27.7° 25.9° 18.7 mm
2012 29.2° 27.6° 0 mm
2011 30° 27.4° 0 mm
2010 28° 26.2° 38 mm
2009 28.1° 26.5° 3.3 mm
2008 28.2° 25.7° 6.1 mm
2007 29.1° 27.6° 0 mm
2006 28° 26° 1.4 mm
2005 29° 26.1° 4 mm
2004 29.4° 27.4° 0.2 mm
2003 28.5° 25° 9.4 mm
2002 30.1° 26.4° 1.2 mm
2001 29.1° 27.7° 0 mm
2000 30.2° 28° 0 mm
1999 28° 25.9° 23.1 mm
1998 28.1° 26.1° 22.7 mm
1997 28° 25.3° 10.9 mm
1996 27.1° 25° 16.1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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