Zürich September 21 Weather Records

Daily averages and all-time records for weather in Zürich, Switzerland for the date of September 21.
September 21 All-Time Records
1901–2024
Highest temperature 28.0 °C 1927
Lowest temperature 3.0 °C 1904
Lowest daily high 7.5 °C 1904
Highest daily low 15.9 °C 1947
Most precipitation 10.31 cm 1968
September 21 Average Weather
1991–2020 1
Average high 18.4 °C
Average low 10.2 °C
Chance precipitation 46.7%
Zürich September 21 Weather by Year
Year High (°C) Low (°C) Precip. (cm)
2023 23.1 13.3 1.78
2022 16.6 5.4 0.00
2021 18.1 9.5 0.00
2020 24.7 14.7 0.00
2019 21.5 6.6 0.00
2018 26.2 11.6 0.07
2017 17.3 5.1 0.00
2016 17.1 8.1 0.00
2015 17.8 7.7 0.00
2014 21.4 12.1 3.99
2013 18.8 8.7 0.00
2012 20.4 6.8 0.75
2011 19.6 7.6 0.00
2010 21.5 9.5 0.00
2009 22.3 14.3 0.00
2008 12.6 4.4 0.00
2007 20.4 8.2 0.00
2006 23.6 11.7 0.00
2005 17.5 6.9 0.00
2004 17.8 11.9 0.00
2003 26.5 14.5 0.00
2002 18.2 13.3 0.23
2001 16.0 10.3 1.25
2000 14.6 9.5 0.24
1999 19.6 10.9 0.19
1998 15.8 7.6 0.00
1997 17.5 9.5 0.00
1996 12.8 8.5 0.07
1995 13.1 9.3 0.32
1994 15.4 9.7 0.00
1993 23.6 13.9 0.00
1992 22.7 12.2 0.00
1991 24.2 12.7 0.00
1990 17.4 10.6 0.09
1989 23.2 13.8 0.00
1988 18.2 11.0 0.00
1987 26.5 14.5 0.00
1986 17.0 7.5 0.00
1985 24.4 13.7 0.00
1984 20.4 8.5 0.74
1983 19.9 7.7 0.01
1982 23.6 15.1 0.36
1981 23.4 13.5 0.00
1980 22.5 13.0 0.00
1979 13.9 n/a 4.12
1978 14.8 3.6 0.00
1977 11.3 4.5 0.00
1976 15.5 7.1 0.00
1975 20.1 14.1 0.00
1974 17.0 7.2 0.00
1973 14.7 11.7 1.48
1972 17.0 5.0 0.00
1971 21.0 8.0 0.00
1970 24.5 10.8 0.00
1969 19.3 8.5 0.00
1968 15.6 11.9 10.31
1967 25.4 10.3 0.95
1966 21.6 8.8 0.00
1965 17.0 5.5 0.00
1964 12.7 6.4 0.11
1963 24.4 14.3 0.26
1962 16.4 4.2 0.00
1961 26.4 15.2 0.00
1960 13.4 6.3 0.00
1959 22.4 10.0 0.00
1958 23.4 13.6 3.97
1957 24.2 10.6 0.02
1956 23.2 8.8 0.00
1955 22.9 11.3 0.00
1954 15.4 9.2 0.21
1953 20.2 7.8 1.38
1952 15.4 3.4 0.09
1951 16.9 4.4 0.00
1950 15.0 5.9 0.64
1949 21.9 11.7 0.20
1948 17.0 9.6 0.00
1947 24.4 15.9 0.38
1946 17.0 9.4 0.01
1945 25.3 11.6 0.00
1944 18.3 11.4 0.00
1943 17.3 10.7 0.10
1942 27.1 14.9 0.20
1941 19.5 7.6 0.00
1940 23.7 14.6 0.45
1939 17.3 8.0 0.09
1938 24.0 8.8 0.00
1937 12.8 5.6 0.90
1936 26.4 13.1 1.92
1935 26.0 11.9 0.00
1934 20.6 12.5 0.00
1933 15.9 11.0 3.26
1932 23.2 14.1 0.35
1931 14.3 5.4 0.25
1930 21.0 9.5 0.12
1929 19.0 7.7 0.02
1928 21.0 9.5 0.00
1927 28.0 12.7 0.00
1926 26.5 10.6 0.00
1925 21.5 12.5 2.34
1924 26.0 13.5 0.00
1923 16.0 7.5 1.30
1922 24.5 11.0 0.01
1921 24.0 14.0 1.64
1920 20.0 11.0 0.18
1919 11.0 4.0 0.04
1918 18.5 6.5 0.01
1917 21.1 14.0 0.00
1916 11.0 5.0 0.11
1915 18.7 4.5 0.00
1914 9.5 4.5 0.20
1913 14.0 8.5 0.24
1912 14.6 4.5 0.00
1911 18.0 9.0 1.11
1910 15.0 5.8 0.40
1909 22.8 7.3 0.00
1908 17.5 10.7 0.00
1907 18.0 9.2 0.02
1906 13.5 9.0 0.13
1905 12.5 10.5 1.28
1904 7.5 3.0 0.00
1903 19.0 7.5 0.00
1902 20.5 6.5 0.00
1901 27.0 9.5 0.00
What's the all-time high for Zürich on 9/21?
For the date of Sep 21, the highest temperature ever reached in Zürich history is 28.0 °C which happened in 1927.
Highest Temperatures in Zürich on September 21
Rank Temperature Year
1 28.0 °C 1927
2 27.1 °C 1942
3 27.0 °C 1901
4 26.5 °C 2003
4 26.5 °C 1926
4 26.5 °C 1987
7 26.4 °C 1961
7 26.4 °C 1936
9 26.2 °C 2018
10 26.0 °C 1924
10 26.0 °C 1935
What's the all-time low for Zürich on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Zürich history is 3.0 °C which happened in 1904.
Lowest Temperatures in Zürich on September 21
Rank Temperature Year
1 3.0 °C 1904
2 3.4 °C 1952
3 3.6 °C 1978
4 4.0 °C 1919
5 4.2 °C 1962
6 4.4 °C 1951
6 4.4 °C 2008
8 4.5 °C 1912
8 4.5 °C 1914
8 4.5 °C 1915
8 4.5 °C 1977
Lowest High Temperatures in Zürich on September 21
Rank Temperature Year
1 7.5 °C 1904
2 9.5 °C 1914
3 11.0 °C 1919
3 11.0 °C 1916
5 11.3 °C 1977
6 12.5 °C 1905
7 12.6 °C 2008
8 12.7 °C 1964
9 12.8 °C 1937
9 12.8 °C 1996
What's the most it has ever rained in Zürich on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Zürich history is 10.31 cm which happened in 1968.
All-Time Most Precipitation in Zürich on September 21
Rank Precipitation Year
1 10.31 cm 1968
2 4.12 cm 1979
3 3.99 cm 2014
4 3.97 cm 1958
5 3.26 cm 1933
6 2.34 cm 1925
7 1.92 cm 1936
8 1.78 cm 2023
9 1.64 cm 1921
10 1.48 cm 1973
Weather Station Details
Years Station Coordinates
1901–2024 Zürich / Fluntern location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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