September 9 in Hernani, through the years

Typical high: 18.4°. Hottest: 24.4° (2021). Coldest night: -0.5° (2017).

YEARHIGHLOWRAIN
2025 23.7° 9.3° 0.7 mm
2024 21.7° 10.6° 1.1 mm
2023 17.9° 0.5° 0 mm
2022 17.5° 7.8° 4.9 mm
2021 24.4° 3.1° 0 mm
2020 21° 4.3° 0.4 mm
2019 13.5° 5.3° 0 mm
2018 19.9° 4.5° 0 mm
2017 17.9° -0.5° 0 mm
2016 15.9° 5.6 mm
2015 17.9° 3.1° 0 mm
2014 18.5° 6.2° 0 mm
2013 24° 11.1° 0 mm
2012 18.3° 0.1° 0 mm
2011 11° 4.5° 9.6 mm
2010 19.5° 4.5° 0.9 mm
2009 17.8° 1.1° 0 mm
2008 16.2° 3.8° 0 mm
2007 13.2° 4.9° 0.1 mm
2006 15.2° 3.5° 0.4 mm
2005 21.7° 4.2° 0 mm
2004 15° 6.8° 22 mm
2003 19.1° 2.2° 0 mm
2002 21.1° 2.3° 0 mm
2001 18.2° 0 mm
2000 20.6° 5.3° 0 mm
1999 18° 3.8° 0 mm
1998 11.6° 7.2° 1.8 mm
1997 21.1° 4.2° 0 mm
1996 19.7° 3.5° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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