Basel September 20 Weather Records

Daily averages and all-time records for weather in Basel, Switzerland for the date of September 20.
September 20 All-Time Records
1901–2024
Highest temperature 30.4 °C 1947
Lowest temperature 1.1 °C 1904
Lowest daily high 10.5 °C 1977
Highest daily low 17.1 °C 1927
Most precipitation 1.80 cm 2000
September 20 Average Weather
1991–2020 1
Average high 20.1 °C
Average low 10.6 °C
Chance precipitation 42.8%
Basel September 20 Weather by Year
Year High (°C) Low (°C) Precip. (cm)
2023 26.1 12.5 0.00
2022 17.6 4.5 0.00
2021 17.3 12.4 0.04
2020 25.3 12.9 0.00
2019 21.4 4.9 0.00
2018 28.4 15.7 0.00
2017 17.4 7.3 0.00
2016 17.7 11.7 0.36
2015 19.2 9.9 0.00
2014 24.3 15.9 0.28
2013 17.9 9.6 0.00
2012 17.6 6.2 0.00
2011 19.1 7.3 0.00
2010 21.5 6.3 0.00
2009 22.0 15.4 0.05
2008 17.5 7.5 0.00
2007 18.6 6.0 0.00
2006 23.1 12.4 0.00
2005 17.3 6.2 0.00
2004 20.3 13.0 0.00
2003 28.7 12.3 0.00
2002 22.5 14.4 0.02
2001 16.9 11.7 1.58
2000 17.0 13.3 1.80
1999 16.5 13.5 1.12
1998 20.4 5.4 0.00
1997 17.5 11.2 0.00
1996 14.8 9.5 0.87
1995 14.0 10.2 0.63
1994 17.6 6.1 0.36
1993 25.4 11.6 0.00
1992 22.1 12.6 0.00
1991 23.5 11.5 0.00
1990 19.8 11.0 0.00
1989 25.2 14.5 0.00
1988 16.5 10.7 0.00
1987 28.5 15.8 0.00
1986 18.3 8.5 0.00
1985 26.9 13.4 0.00
1984 20.3 8.7 0.00
1983 18.5 10.6 0.01
1982 25.7 15.2 0.14
1981 23.4 13.5 0.00
1980 25.1 13.7 0.00
1979 20.5 n/a 0.51
1978 15.2 7.7 0.00
1977 10.5 4.1 0.00
1976 19.0 7.0 0.00
1975 19.5 13.5 0.00
1974 19.2 13.0 0.00
1973 25.8 14.6 0.28
1972 17.3 4.0 0.00
1971 22.7 7.7 0.00
1970 23.4 8.2 0.00
1969 16.6 10.4 0.00
1968 18.7 8.3 0.87
1967 17.8 8.6 0.62
1966 19.6 6.0 0.00
1965 19.0 6.7 0.00
1964 17.0 10.2 0.46
1963 21.8 14.7 0.00
1962 15.4 2.3 0.00
1961 28.8 15.3 0.00
1960 13.3 6.5 0.05
1959 25.2 7.2 0.00
1958 20.9 10.5 0.12
1957 25.9 8.7 0.00
1956 25.5 10.6 0.00
1955 24.2 6.3 0.00
1954 21.9 12.2 0.00
1953 18.1 9.0 0.99
1952 16.0 4.2 0.00
1951 18.4 7.0 0.00
1950 18.3 10.9 0.47
1949 21.5 11.9 0.14
1948 21.2 7.3 0.19
1947 30.4 12.5 0.02
1946 27.8 12.9 0.11
1945 25.2 11.7 0.00
1944 18.5 14.1 0.65
1943 17.4 10.9 0.10
1942 28.8 11.3 0.00
1941 17.7 5.3 0.00
1940 24.3 14.3 0.95
1939 18.1 11.2 0.00
1938 23.5 9.8 0.00
1937 16.1 8.8 0.14
1936 22.3 15.2 0.35
1935 26.2 13.4 0.00
1934 21.4 10.0 0.09
1933 24.0 13.0 1.04
1932 27.6 14.5 0.50
1931 16.2 11.0 0.00
1930 18.4 12.4 0.37
1929 24.8 14.8 0.57
1928 21.2 9.2 0.00
1927 22.1 17.1 0.00
1926 26.8 12.9 0.00
1925 21.7 15.0 1.17
1924 26.7 13.3 0.04
1923 14.5 8.5 1.31
1922 19.8 10.3 0.00
1921 19.8 13.8 0.66
1920 14.0 8.7 0.75
1919 14.0 10.0 0.00
1918 17.5 8.4 1.15
1917 24.5 15.6 0.02
1916 11.1 6.6 0.27
1915 18.2 8.8 0.00
1914 11.0 6.4 1.16
1913 16.6 7.0 0.85
1912 13.0 4.6 0.00
1911 23.3 10.7 0.02
1910 15.0 9.2 1.07
1909 17.9 7.0 0.00
1908 20.0 11.5 0.00
1907 19.0 7.6 0.00
1906 15.0 8.5 0.30
1905 16.8 12.5 0.40
1904 13.0 1.1 0.00
1903 18.0 6.5 0.00
1902 18.5 3.5 0.00
1901 22.0 10.0 0.00
What's the all-time high for Basel on 9/20?
For the date of Sep 20, the highest temperature ever reached in Basel history is 30.4 °C which happened in 1947.
Highest Temperatures in Basel on September 20
Rank Temperature Year
1 30.4 °C 1947
2 28.8 °C 1942
2 28.8 °C 1961
4 28.7 °C 2003
5 28.5 °C 1987
6 28.4 °C 2018
7 27.8 °C 1946
8 27.6 °C 1932
9 26.9 °C 1985
10 26.8 °C 1926
What's the all-time low for Basel on 9/20?
For the date of Sep 20, the lowest temperature ever reached in Basel history is 1.1 °C which happened in 1904.
Lowest Temperatures in Basel on September 20
Rank Temperature Year
1 1.1 °C 1904
2 2.3 °C 1962
3 3.5 °C 1902
4 4.0 °C 1972
5 4.1 °C 1977
6 4.2 °C 1952
7 4.5 °C 2022
8 4.6 °C 1912
9 4.9 °C 2019
10 5.3 °C 1941
Lowest High Temperatures in Basel on September 20
Rank Temperature Year
1 10.5 °C 1977
2 11.0 °C 1914
3 11.1 °C 1916
4 13.0 °C 1904
4 13.0 °C 1912
6 13.3 °C 1960
7 14.0 °C 1995
7 14.0 °C 1919
7 14.0 °C 1920
10 14.5 °C 1923
What's the most it has ever rained in Basel on 9/20?
For the date of Sep 20, the most precipitation ever recorded in Basel history is 1.80 cm which happened in 2000.
All-Time Most Precipitation in Basel on September 20
Rank Precipitation Year
1 1.80 cm 2000
2 1.58 cm 2001
3 1.31 cm 1923
4 1.17 cm 1925
5 1.16 cm 1914
6 1.15 cm 1918
7 1.12 cm 1999
8 1.07 cm 1910
9 1.04 cm 1933
10 0.99 cm 1953
Weather Station Details
Years Station Coordinates
1901–2024 Basel Binningen location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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