Edmonton September 21 Weather Records

Daily averages and all-time records for weather in Edmonton, Alberta for the date of September 21.
September 21 All-Time Records
1880–2024
Highest temperature 30.6 °C 1967
Lowest temperature -7.2 °C 1887
Lowest daily high -3.3 °C 1926
Highest daily low 10.0 °C 1967
Most precipitation 1.46 cm 1984
September 21 Average Weather
1991–2020 1
Average high 16.6 °C
Average low 4.0 °C
Chance precipitation 38.2%
Edmonton September 21 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 18.1 -1.8 0.00 n/a
2022 20.5 -0.7 0.00 n/a
2021 n/a n/a n/a n/a
2020 18.1 3.0 0.00 n/a
2019 22.4 1.4 0.02 n/a
2018 1.1 -0.2 0.76 n/a
2017 4.6 0.4 1.31 n/a
2016 16.4 -2.2 0.11 n/a
2015 12.3 -1.7 n/a n/a
2014 n/a n/a 0.05 n/a
2013 n/a n/a 0.05 n/a
2012 n/a n/a 0.00 n/a
2011 n/a n/a 0.00 n/a
2010 n/a n/a 0.10 n/a
2009 n/a n/a 0.05 n/a
2008 21.0 5.7 0.05 n/a
2007 15.9 4.1 0.15 n/a
2006 11.4 4.4 0.46 n/a
2005 16.6 3.5 0.00 n/a
2004 21.8 3.3 0.00 0.0
2003 15.5 5.5 0.00 0.0
2002 12.1 4.7 0.00 0.0
2001 13.8 5.1 0.00 0.0
2000 2.4 -1.2 0.00 0.0
1999 24.1 7.5 0.00 0.0
1998 20.9 5.8 0.00 0.0
1997 22.4 7.2 0.00 0.0
1996 14.6 -0.4 0.00 0.0
1995 16.8 -2.4 0.00 0.0
1994 18.5 1.2 0.00 0.0
1993 13.4 -0.5 0.00 0.0
1992 8.4 0.1 0.00 0.0
1991 11.8 4.2 0.24 0.0
1990 16.2 7.8 0.00 0.0
1989 14.6 4.8 0.00 0.0
1988 13.8 1.1 0.00 0.0
1987 26.6 7.3 0.00 0.0
1986 15.9 0.5 0.00 0.0
1985 12.0 2.9 0.66 0.0
1984 7.1 0.9 1.46 0.0
1983 14.6 6.4 0.00 0.0
1982 22.0 4.6 0.00 0.0
1981 18.0 6.4 0.00 0.0
1980 7.5 2.4 0.34 0.0
1979 17.6 7.2 0.00 0.0
1978 15.3 5.6 0.00 0.0
1977 14.8 9.0 0.07 0.0
1976 23.3 7.2 0.00 0.0
1975 25.0 5.0 0.00 0.0
1974 21.1 3.9 0.00 0.0
1973 8.3 5.0 0.00 0.0
1972 1.7 -2.2 0.53 4.3
1971 14.4 0.0 0.00 0.0
1970 16.7 5.0 0.00 0.0
1969 7.8 5.6 0.13 0.0
1968 5.6 1.1 1.32 2.0
1967 30.6 10.0 0.00 0.0
1966 26.1 6.1 0.00 0.0
1965 10.0 3.3 0.23 0.0
1964 15.0 2.8 0.03 0.0
1963 23.9 9.4 0.00 0.0
1962 25.0 7.2 0.00 0.0
1961 7.2 1.1 0.05 0.0
1960 14.4 2.8 0.00 0.0
1959 16.1 8.9 0.43 0.0
1958 15.0 3.3 0.23 0.0
1957 17.2 3.3 0.08 0.0
1956 13.9 7.8 0.25 0.0
1955 3.9 0.6 0.81 4.8
1954 20.6 2.8 0.00 0.0
1953 15.6 2.8 0.00 0.0
1952 18.9 2.8 0.00 0.0
1951 16.1 2.2 0.03 0.0
1950 28.9 7.8 0.00 0.0
1949 21.1 0.0 0.00 0.0
1948 22.8 3.3 0.00 0.0
1947 10.6 1.7 0.00 0.0
1946 7.8 1.7 0.36 0.0
1945 3.9 2.2 0.00 0.0
1944 11.7 5.6 0.00 0.0
1943 15.6 -1.7 0.00 0.0
1942 19.4 2.8 0.00 0.0
1941 13.3 -5.6 0.00 0.0
1940 24.4 0.0 0.00 0.0
1939 20.0 5.6 0.00 0.0
1938 24.4 3.9 0.00 0.0
1937 10.0 6.1 0.74 0.0
1936 17.8 9.4 0.51 0.0
1935 23.3 4.4 0.00 0.0
1934 2.8 0.6 0.00 0.0
1933 18.9 1.1 0.00 0.0
1932 15.0 1.1 0.00 0.0
1931 7.8 5.0 0.13 0.0
1930 19.4 7.8 0.33 0.0
1929 15.0 7.2 0.15 0.0
1928 18.9 6.7 0.00 0.0
1927 18.9 -2.8 0.00 0.0
1926 -3.3 -6.7 0.25 2.5
1925 24.4 1.7 0.00 0.0
1924 16.1 0.0 0.00 0.0
1923 2.8 -0.6 0.00 0.0
1922 19.4 1.7 0.00 0.0
1921 13.9 1.7 0.20 0.0
1920 18.9 -1.7 0.00 0.0
1919 14.4 3.3 0.00 0.0
1918 15.6 7.2 0.00 0.0
1917 27.8 4.4 0.00 0.0
1916 21.7 -1.1 0.00 0.0
1915 21.7 3.9 0.00 0.0
1914 14.4 -1.7 0.00 0.0
1913 15.6 5.6 0.00 0.0
1912 17.2 2.2 0.00 0.0
1911 5.6 -1.1 0.00 0.0
1910 23.9 7.2 0.08 0.0
1909 15.6 -2.2 0.00 0.0
1908 20.0 6.7 0.00 0.0
1907 15.6 1.1 0.00 0.0
1906 10.6 2.8 0.00 0.0
1905 16.7 5.6 0.00 0.0
1904 19.4 0.6 0.00 0.0
1903 12.2 3.9 0.28 0.0
1902 21.1 1.7 0.00 0.0
1901 8.9 0.0 0.46 0.0
1900 17.8 7.8 0.00 0.0
1899 21.1 3.9 0.00 0.0
1898 7.2 4.4 0.10 0.0
1897 28.9 6.7 0.00 0.0
1896 23.3 0.0 0.00 0.0
1895 3.9 -1.7 0.00 0.0
1894 11.1 -1.1 0.00 0.0
1893 8.9 0.0 0.00 0.0
1892 12.8 3.3 0.97 0.0
1891 16.1 0.0 0.00 0.0
1890 23.3 6.1 0.00 0.0
1889 22.2 4.4 0.00 0.0
1888 18.3 5.6 0.00 0.0
1887 8.9 -7.2 0.00 0.0
1886 16.7 4.4 0.00 0.0
1885 17.2 4.4 0.00 0.0
1884 19.4 -0.6 0.00 0.0
1883 17.8 3.3 0.00 0.0
1882 14.4 0.0 0.00 0.0
1881 8.9 2.8 0.23 0.0
1880 12.2 3.3 0.00 0.0
What's the all-time high for Edmonton on 9/21?
For the date of Sep 21, the highest temperature ever reached in Edmonton history is 30.6 °C which happened in 1967.
Highest Temperatures in Edmonton on September 21
Rank Temperature Year
1 30.6 °C 1967
2 28.9 °C 1950
2 28.9 °C 1897
4 27.8 °C 1917
5 26.6 °C 1987
6 26.1 °C 1966
7 25.0 °C 1962
7 25.0 °C 1975
9 24.4 °C 1940
9 24.4 °C 1925
9 24.4 °C 1938
What's the all-time low for Edmonton on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Edmonton history is -7.2 °C which happened in 1887.
Lowest Temperatures in Edmonton on September 21
Rank Temperature Year
1 -7.2 °C 1887
2 -6.7 °C 1926
3 -5.6 °C 1941
4 -2.8 °C 1927
5 -2.4 °C 1995
6 -2.2 °C 1972
6 -2.2 °C 1909
6 -2.2 °C 2016
9 -1.8 °C 2023
10 -1.7 °C 2015
10 -1.7 °C 1943
10 -1.7 °C 1920
10 -1.7 °C 1914
10 -1.7 °C 1895
Lowest High Temperatures in Edmonton on September 21
Rank Temperature Year
1 -3.3 °C 1926
2 1.1 °C 2018
3 1.7 °C 1972
4 2.4 °C 2000
5 2.8 °C 1934
5 2.8 °C 1923
7 3.9 °C 1945
7 3.9 °C 1955
7 3.9 °C 1895
10 4.6 °C 2017
What's the most it has ever rained in Edmonton on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Edmonton history is 1.46 cm which happened in 1984.
All-Time Most Precipitation in Edmonton on September 21
Rank Precipitation Year
1 1.46 cm 1984
2 1.32 cm 1968
3 1.31 cm 2017
4 0.97 cm 1892
5 0.81 cm 1955
6 0.76 cm 2018
7 0.74 cm 1937
8 0.66 cm 1985
9 0.53 cm 1972
10 0.51 cm 1936
Weather Station Details
Years Station Coordinates
2015–2024 Edmonton International Airport location
1938–2014 Edmonton City Center location
1880–1937 Edmonton location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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