Basel September 12 Weather Records

Daily averages and all-time records for weather in Basel, Switzerland for the date of September 12.
September 12 All-Time Records
1901–2024
Highest temperature 34.7 °C 1947
Lowest temperature 3.4 °C 1972
Lowest daily high 11.0 °C 1922
Highest daily low 17.8 °C 2023
Most precipitation 4.20 cm 1917
September 12 Average Weather
1991–2020 1
Average high 21.1 °C
Average low 11.4 °C
Chance precipitation 40.3%
Basel September 12 Weather by Year
Year High (°C) Low (°C) Precip. (cm)
2023 30.4 17.8 1.21
2022 25.8 9.9 0.00
2021 24.6 12.0 0.00
2020 27.1 13.7 0.00
2019 24.7 9.8 0.00
2018 30.8 14.8 0.13
2017 18.0 11.2 0.15
2016 29.5 15.9 0.00
2015 27.0 13.8 0.46
2014 13.0 10.9 0.93
2013 15.4 10.9 0.05
2012 16.6 9.8 0.15
2011 24.9 13.6 0.00
2010 24.3 11.3 1.13
2009 20.2 12.3 0.00
2008 19.6 13.4 1.35
2007 20.1 6.3 0.00
2006 25.4 16.3 0.40
2005 20.6 14.8 0.00
2004 21.1 12.7 0.03
2003 21.2 10.0 0.00
2002 21.1 11.4 0.00
2001 16.7 10.0 0.14
2000 27.0 14.2 0.08
1999 29.5 16.2 0.00
1998 13.9 8.9 0.33
1997 26.0 11.9 2.18
1996 18.3 8.7 0.05
1995 18.3 13.5 1.38
1994 20.8 14.6 0.29
1993 20.3 12.0 0.21
1992 18.8 12.5 0.00
1991 19.0 14.7 0.01
1990 20.8 9.4 0.00
1989 19.5 12.9 0.63
1988 20.5 15.2 0.01
1987 27.7 13.8 0.00
1986 22.9 12.4 0.28
1985 25.5 9.3 0.00
1984 20.1 12.6 0.00
1983 14.4 9.4 0.08
1982 24.8 13.5 0.00
1981 23.6 14.2 0.51
1980 24.0 11.0 0.24
1979 23.1 14.0 0.00
1978 17.2 11.4 0.00
1977 27.0 10.7 0.00
1976 17.0 12.0 0.02
1975 19.8 10.1 0.87
1974 28.5 12.2 0.00
1973 21.0 6.2 0.00
1972 17.8 3.4 0.00
1971 17.6 11.0 0.00
1970 20.6 9.9 0.05
1969 26.9 11.9 0.00
1968 21.1 9.2 0.00
1967 18.1 7.5 0.00
1966 30.0 14.9 0.79
1965 15.5 8.2 0.17
1964 29.6 14.4 0.00
1963 24.1 12.6 0.00
1962 30.8 15.1 0.00
1961 22.0 12.1 0.00
1960 25.4 7.9 0.00
1959 30.0 9.2 0.00
1958 22.1 9.8 0.00
1957 19.5 9.8 0.13
1956 17.7 13.1 0.00
1955 21.5 12.1 0.00
1954 18.5 12.7 0.70
1953 19.2 8.6 0.00
1952 16.7 9.7 0.00
1951 28.8 16.2 0.00
1950 22.8 14.0 0.00
1949 21.0 10.9 0.15
1948 19.0 13.2 0.04
1947 34.7 14.9 0.00
1946 22.5 9.2 0.00
1945 20.8 10.7 0.00
1944 21.6 6.9 0.00
1943 29.4 16.1 0.00
1942 31.1 15.9 0.00
1941 17.9 10.2 0.00
1940 16.1 4.8 0.00
1939 18.6 11.8 0.13
1938 21.8 10.3 0.00
1937 14.5 7.3 0.00
1936 22.7 8.2 0.00
1935 25.9 9.8 0.00
1934 21.2 13.2 0.00
1933 22.0 11.2 0.74
1932 21.1 15.7 0.00
1931 13.9 6.5 0.28
1930 21.4 13.0 0.02
1929 31.0 15.2 0.24
1928 21.5 12.6 0.00
1927 14.4 10.4 0.02
1926 27.2 14.7 0.16
1925 13.5 7.5 0.10
1924 18.0 7.2 0.00
1923 27.6 12.5 0.00
1922 11.0 8.3 0.60
1921 20.6 14.4 0.05
1920 22.0 10.2 0.00
1919 29.3 13.9 0.00
1918 20.4 12.0 0.22
1917 18.6 14.1 4.20
1916 17.5 11.7 0.30
1915 18.3 4.6 0.00
1914 16.3 10.9 0.85
1913 18.7 6.0 0.00
1912 11.5 6.0 0.00
1911 29.0 12.0 0.00
1910 14.6 10.7 0.00
1909 20.5 10.5 1.78
1908 13.2 7.3 0.14
1907 24.5 13.4 0.21
1906 17.5 6.4 0.00
1905 19.5 13.4 0.05
1904 21.0 12.6 0.65
1903 14.5 8.5 0.08
1902 18.5 13.5 1.17
1901 15.0 11.0 1.88
What's the all-time high for Basel on 9/12?
For the date of Sep 12, the highest temperature ever reached in Basel history is 34.7 °C which happened in 1947.
Highest Temperatures in Basel on September 12
Rank Temperature Year
1 34.7 °C 1947
2 31.1 °C 1942
3 31.0 °C 1929
4 30.8 °C 2018
4 30.8 °C 1962
6 30.4 °C 2023
7 30.0 °C 1966
7 30.0 °C 1959
9 29.6 °C 1964
10 29.5 °C 1999
10 29.5 °C 2016
What's the all-time low for Basel on 9/12?
For the date of Sep 12, the lowest temperature ever reached in Basel history is 3.4 °C which happened in 1972.
Lowest Temperatures in Basel on September 12
Rank Temperature Year
1 3.4 °C 1972
2 4.6 °C 1915
3 4.8 °C 1940
4 6.0 °C 1913
4 6.0 °C 1912
6 6.2 °C 1973
7 6.3 °C 2007
8 6.4 °C 1906
9 6.5 °C 1931
10 6.9 °C 1944
Lowest High Temperatures in Basel on September 12
Rank Temperature Year
1 11.0 °C 1922
2 11.5 °C 1912
3 13.0 °C 2014
4 13.2 °C 1908
5 13.5 °C 1925
6 13.9 °C 1998
6 13.9 °C 1931
8 14.4 °C 1983
8 14.4 °C 1927
10 14.5 °C 1937
10 14.5 °C 1903
What's the most it has ever rained in Basel on 9/12?
For the date of Sep 12, the most precipitation ever recorded in Basel history is 4.20 cm which happened in 1917.
All-Time Most Precipitation in Basel on September 12
Rank Precipitation Year
1 4.20 cm 1917
2 2.18 cm 1997
3 1.88 cm 1901
4 1.78 cm 1909
5 1.38 cm 1995
6 1.35 cm 2008
7 1.21 cm 2023
8 1.17 cm 1902
9 1.13 cm 2010
10 0.93 cm 2014
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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