Basel September 15 Weather Records

Daily averages and all-time records for weather in Basel, Switzerland for the date of September 15.
September 15 All-Time Records
1901–2024
Highest temperature 33.7 °C 1947
Lowest temperature -0.2 °C 1931
Lowest daily high 10.0 °C 1903
Highest daily low 17.2 °C 2021
Most precipitation 2.42 cm 1966
September 15 Average Weather
1991–2020 1
Average high 20.8 °C
Average low 11.1 °C
Chance precipitation 39.4%
Basel September 15 Weather by Year
Year High (°C) Low (°C) Precip. (cm)
2023 24.9 13.5 0.00
2022 21.0 15.7 0.27
2021 20.3 17.2 0.77
2020 30.9 14.2 0.00
2019 28.1 12.9 0.00
2018 22.7 10.5 0.00
2017 17.6 6.5 0.00
2016 19.9 n/a 0.00
2015 17.8 10.4 0.04
2014 23.6 12.1 0.00
2013 19.8 12.9 0.22
2012 19.5 10.4 0.00
2011 21.4 9.3 0.00
2010 18.3 9.8 0.00
2009 15.5 9.7 0.00
2008 12.7 6.3 0.02
2007 22.1 12.1 0.00
2006 18.4 15.0 0.17
2005 22.0 12.8 0.00
2004 20.2 12.0 0.00
2003 22.2 8.4 0.00
2002 19.7 9.6 0.00
2001 18.6 8.2 0.03
2000 26.8 16.1 0.00
1999 25.5 14.8 0.84
1998 15.9 11.0 0.20
1997 20.1 4.8 0.00
1996 16.1 7.4 0.00
1995 18.7 9.0 0.02
1994 15.5 9.8 0.38
1993 20.5 11.7 0.47
1992 21.7 12.7 0.00
1991 22.3 14.4 0.00
1990 21.0 10.9 0.01
1989 18.4 12.0 0.50
1988 13.1 8.9 0.15
1987 24.0 14.2 0.00
1986 29.1 15.9 0.01
1985 16.0 10.3 0.25
1984 16.4 11.8 1.13
1983 27.7 12.0 1.09
1982 26.6 12.4 0.00
1981 15.2 10.0 0.71
1980 21.8 8.7 0.00
1979 16.8 11.5 0.00
1978 21.0 10.7 0.00
1977 22.4 6.8 0.00
1976 15.3 10.7 0.48
1975 18.6 10.3 0.08
1974 24.5 17.2 0.11
1973 27.0 13.2 0.33
1972 16.8 5.8 0.00
1971 15.0 8.8 0.00
1970 26.1 12.0 1.66
1969 19.6 12.6 0.00
1968 17.1 11.4 1.77
1967 14.7 9.5 1.44
1966 21.1 7.7 2.42
1965 24.4 10.4 0.00
1964 30.3 14.8 0.01
1963 23.6 12.9 0.00
1962 29.7 10.9 1.01
1961 27.0 16.4 0.00
1960 18.7 12.0 0.46
1959 26.1 10.8 0.00
1958 30.7 11.6 0.04
1957 15.1 6.8 0.04
1956 23.9 6.2 0.00
1955 14.5 6.8 0.27
1954 19.3 9.8 0.01
1953 25.8 9.0 0.05
1952 18.7 11.2 0.00
1951 23.9 10.7 0.00
1950 20.3 12.2 0.74
1949 24.4 15.0 1.19
1948 23.0 10.5 0.30
1947 33.7 12.7 0.00
1946 21.7 8.8 0.00
1945 23.0 16.4 0.01
1944 25.9 13.8 0.00
1943 20.6 15.8 0.30
1942 26.8 15.4 0.23
1941 16.9 6.5 0.00
1940 17.1 10.4 2.28
1939 15.9 11.0 0.63
1938 22.4 10.4 0.30
1937 17.9 9.3 0.05
1936 22.5 8.5 0.09
1935 25.4 14.9 0.56
1934 25.5 12.9 0.00
1933 18.3 3.7 0.00
1932 24.5 14.3 0.00
1931 16.8 -0.2 0.00
1930 18.4 12.3 0.00
1929 25.6 14.2 0.00
1928 20.0 10.2 0.00
1927 22.0 9.4 0.00
1926 22.5 9.2 0.00
1925 14.6 3.8 0.00
1924 18.5 12.0 0.00
1923 18.4 14.0 0.58
1922 12.5 8.0 1.56
1921 27.5 12.8 0.00
1920 21.0 10.4 0.00
1919 24.3 15.6 0.02
1918 22.5 7.5 0.00
1917 20.4 13.6 0.00
1916 14.4 5.0 0.00
1915 18.8 12.2 0.03
1914 21.3 13.5 0.01
1913 15.7 11.2 0.25
1912 13.7 8.0 0.40
1911 18.2 10.7 0.57
1910 14.0 10.0 0.00
1909 16.5 10.7 0.01
1908 19.9 5.9 0.89
1907 15.5 12.0 0.55
1906 23.0 12.0 0.49
1905 12.6 10.1 1.32
1904 17.5 11.0 0.08
1903 10.0 7.0 0.22
1902 16.0 6.5 0.00
1901 16.5 10.0 0.00
What's the all-time high for Basel on 9/15?
For the date of Sep 15, the highest temperature ever reached in Basel history is 33.7 °C which happened in 1947.
Highest Temperatures in Basel on September 15
Rank Temperature Year
1 33.7 °C 1947
2 30.9 °C 2020
3 30.7 °C 1958
4 30.3 °C 1964
5 29.7 °C 1962
6 29.1 °C 1986
7 28.1 °C 2019
8 27.7 °C 1983
9 27.5 °C 1921
10 27.0 °C 1961
10 27.0 °C 1973
What's the all-time low for Basel on 9/15?
For the date of Sep 15, the lowest temperature ever reached in Basel history is -0.2 °C which happened in 1931.
Lowest Temperatures in Basel on September 15
Rank Temperature Year
1 -0.2 °C 1931
2 3.7 °C 1933
3 3.8 °C 1925
4 4.8 °C 1997
5 5.0 °C 1916
6 5.8 °C 1972
7 5.9 °C 1908
8 6.2 °C 1956
9 6.3 °C 2008
10 6.5 °C 1902
10 6.5 °C 1941
10 6.5 °C 2017
Lowest High Temperatures in Basel on September 15
Rank Temperature Year
1 10.0 °C 1903
2 12.5 °C 1922
3 12.6 °C 1905
4 12.7 °C 2008
5 13.1 °C 1988
6 13.7 °C 1912
7 14.0 °C 1910
8 14.4 °C 1916
9 14.5 °C 1955
10 14.6 °C 1925
What's the most it has ever rained in Basel on 9/15?
For the date of Sep 15, the most precipitation ever recorded in Basel history is 2.42 cm which happened in 1966.
All-Time Most Precipitation in Basel on September 15
Rank Precipitation Year
1 2.42 cm 1966
2 2.28 cm 1940
3 1.77 cm 1968
4 1.66 cm 1970
5 1.56 cm 1922
6 1.44 cm 1967
7 1.32 cm 1905
8 1.19 cm 1949
9 1.13 cm 1984
10 1.09 cm 1983
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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