Calgary September 15 Weather Records

Daily averages and all-time records for weather in Calgary, Alberta for the date of September 15.
September 15 All-Time Records
1881–2024
Highest temperature 30.6 °C 1979
Lowest temperature -6.1 °C 1921
Lowest daily high 0.0 °C 1965
Highest daily low 14.3 °C 1979
Most precipitation 1.14 cm 1900
Most snow 7.6 cm 1900
September 15 Average Weather
1991–2020 1
Average high 18.3 °C
Average low 4.8 °C
Chance precipitation 29.3%
Chance snow 3.3%
Calgary September 15 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 25.7 3.7 0.00 0.0
2022 22.9 7.5 0.00 0.0
2021 14.9 4.1 0.25 0.0
2020 11.4 7.1 0.00 0.0
2019 22.8 12.2 0.00 0.0
2018 5.1 1.8 0.06 0.0
2017 8.8 n/a 0.08 0.0
2016 22.7 6.9 0.00 0.0
2015 12.0 5.1 0.18 0.0
2014 22.6 4.0 0.00 0.0
2013 25.8 10.0 0.00 0.0
2012 19.9 5.6 0.00 0.0
2011 22.7 4.7 0.00 0.0
2010 13.6 6.2 0.36 0.0
2009 26.5 7.5 0.00 0.0
2008 26.6 5.5 0.00 0.0
2007 24.0 3.0 0.00 0.0
2006 4.1 1.0 0.42 0.0
2005 10.3 5.9 0.08 0.0
2004 14.6 1.5 0.00 0.0
2003 8.4 1.7 0.46 0.0
2002 27.2 6.0 0.00 0.0
2001 26.1 4.1 0.00 0.0
2000 25.1 9.0 0.00 0.0
1999 23.7 4.2 0.00 0.0
1998 20.0 6.2 0.00 0.0
1997 17.2 5.8 0.38 0.0
1996 21.6 3.5 0.00 0.0
1995 13.2 7.9 0.00 0.0
1994 22.6 6.1 0.00 0.0
1993 8.7 3.0 0.18 0.0
1992 5.8 0.1 0.06 0.6
1991 19.9 0.3 0.00 0.0
1990 24.7 6.2 0.00 0.0
1989 17.8 4.0 0.00 0.0
1988 24.9 9.9 0.00 0.0
1987 16.9 9.0 0.00 0.0
1986 8.5 3.3 0.06 0.0
1985 17.1 4.0 0.00 0.0
1984 20.0 2.2 0.00 0.0
1983 18.4 1.4 0.00 0.0
1982 14.8 -1.0 0.12 0.0
1981 23.3 1.6 0.00 0.0
1980 10.4 3.1 0.00 0.0
1979 30.6 14.3 0.00 0.0
1978 14.4 5.5 0.60 0.0
1977 7.6 2.4 0.20 0.0
1976 21.1 5.6 0.00 0.0
1975 28.9 9.4 0.00 0.0
1974 25.0 7.8 0.00 0.0
1973 8.9 -2.2 0.00 0.0
1972 22.2 6.1 0.00 0.0
1971 10.6 1.7 0.00 0.0
1970 17.8 1.7 0.00 0.0
1969 5.0 -1.7 0.03 0.3
1968 16.1 4.4 0.00 0.0
1967 25.6 4.4 0.00 0.0
1966 21.1 3.3 0.00 0.0
1965 0.0 -3.9 0.28 3.6
1964 18.3 5.6 0.00 0.0
1963 8.9 5.0 0.56 0.0
1962 17.8 6.1 0.00 0.0
1961 25.0 0.6 0.00 0.0
1960 11.1 6.1 0.28 0.0
1959 7.2 4.4 0.13 0.0
1958 15.0 4.4 0.00 0.0
1957 20.0 6.1 0.00 0.0
1956 17.8 11.1 0.00 0.0
1955 10.0 5.0 0.33 0.0
1954 8.9 6.1 0.99 0.0
1953 21.7 1.7 0.00 0.0
1952 23.3 3.9 0.00 0.0
1951 23.9 1.1 0.00 0.0
1950 16.1 5.6 0.00 0.0
1949 20.0 11.1 0.00 0.0
1948 19.4 7.2 0.00 0.0
1947 10.0 3.9 0.13 0.0
1946 16.7 7.8 0.20 0.0
1945 21.7 5.6 0.08 0.0
1944 16.7 4.4 0.00 0.0
1943 16.1 -1.1 0.00 0.0
1942 12.8 5.6 0.51 0.0
1941 13.3 3.3 0.00 0.0
1940 21.1 4.4 0.00 0.0
1939 19.4 7.8 0.00 0.0
1938 27.2 8.9 0.00 0.0
1937 23.9 3.9 0.00 0.0
1936 10.0 -1.1 0.00 0.0
1935 20.6 4.4 0.00 0.0
1934 18.3 1.7 0.00 0.0
1933 13.3 7.8 0.00 0.0
1932 15.6 -2.2 0.00 0.0
1931 12.2 3.3 0.10 0.0
1930 13.9 6.1 0.41 0.0
1929 22.8 -0.6 0.00 0.0
1928 17.8 2.8 0.00 0.0
1927 16.1 -2.8 0.00 0.0
1926 3.3 -2.2 0.08 0.3
1925 24.4 3.9 0.00 0.0
1924 25.0 7.8 0.00 0.0
1923 23.3 5.6 0.20 0.0
1922 19.4 7.2 0.00 0.0
1921 16.1 -6.1 0.00 0.0
1920 16.7 2.2 0.00 0.0
1919 19.4 3.3 0.00 0.0
1918 20.0 2.2 0.00 0.0
1917 26.7 3.3 0.00 0.0
1916 22.2 1.7 0.00 0.0
1915 15.6 -1.1 0.30 0.0
1914 12.8 1.7 0.00 0.0
1913 20.0 3.3 0.00 0.0
1912 15.0 -3.9 0.00 0.0
1911 20.0 4.4 0.00 0.0
1910 26.7 6.7 0.00 0.0
1909 25.6 5.0 0.00 0.0
1908 18.9 9.4 0.00 0.0
1907 3.9 0.0 0.46 2.0
1906 16.7 3.3 0.00 0.0
1905 13.9 -1.7 0.00 0.0
1904 20.0 0.6 0.00 0.0
1903 13.9 -2.2 0.00 0.0
1902 15.6 3.3 0.10 0.0
1901 11.7 0.0 0.13 0.0
1900 4.4 0.0 1.14 7.6
1899 18.9 6.7 0.00 0.0
1898 21.1 3.9 0.00 0.0
1897 10.6 -2.2 0.00 0.0
1896 7.2 3.3 0.10 0.0
1895 17.2 2.8 0.00 0.0
1894 9.4 2.2 0.00 0.0
1893 21.1 -1.1 0.08 0.0
1892 26.7 2.2 0.00 0.0
1891 21.1 3.9 0.00 0.0
1890 25.0 5.6 0.00 0.0
1889 12.2 3.9 0.00 0.0
1888 28.9 4.4 0.00 0.0
1887 20.6 2.2 0.00 0.0
1886 11.7 1.1 0.28 0.0
1885 19.4 9.4 0.00 0.0
1884 16.1 -1.7 0.38 0.0
1883 n/a n/a n/a n/a
1882 n/a n/a n/a n/a
What's the all-time high for Calgary on 9/15?
For the date of Sep 15, the highest temperature ever reached in Calgary history is 30.6 °C which happened in 1979.
Highest Temperatures in Calgary on September 15
Rank Temperature Year
1 30.6 °C 1979
2 28.9 °C 1975
2 28.9 °C 1888
4 27.2 °C 2002
4 27.2 °C 1938
6 26.7 °C 1892
6 26.7 °C 1910
6 26.7 °C 1917
9 26.6 °C 2008
10 26.5 °C 2009
What's the all-time low for Calgary on 9/15?
For the date of Sep 15, the lowest temperature ever reached in Calgary history is -6.1 °C which happened in 1921.
Lowest Temperatures in Calgary on September 15
Rank Temperature Year
1 -6.1 °C 1921
2 -3.9 °C 1912
2 -3.9 °C 1965
4 -2.8 °C 1927
5 -2.2 °C 1973
5 -2.2 °C 1926
5 -2.2 °C 1903
5 -2.2 °C 1897
5 -2.2 °C 1932
10 -1.7 °C 1905
10 -1.7 °C 1884
10 -1.7 °C 1969
Lowest High Temperatures in Calgary on September 15
Rank Temperature Year
1 0.0 °C 1965
2 3.3 °C 1926
3 3.9 °C 1907
4 4.1 °C 2006
5 4.4 °C 1900
6 5.0 °C 1969
7 5.1 °C 2018
8 5.8 °C 1992
9 7.2 °C 1959
9 7.2 °C 1896
What's the most it has ever rained in Calgary on 9/15?
For the date of Sep 15, the most precipitation ever recorded in Calgary history is 1.14 cm which happened in 1900.
All-Time Most Precipitation in Calgary on September 15
Rank Precipitation Year
1 1.14 cm 1900
2 0.99 cm 1954
3 0.60 cm 1978
4 0.56 cm 1963
5 0.51 cm 1942
6 0.46 cm 2003
6 0.46 cm 1907
8 0.42 cm 2006
9 0.41 cm 1930
10 0.38 cm 1884
10 0.38 cm 1997
All-Time Most Snow in Calgary on September 15
Rank Precipitation Year
1 7.6 cm 1900
2 3.6 cm 1965
3 2.0 cm 1907
4 0.6 cm 1992
5 0.3 cm 1969
5 0.3 cm 1926
Weather Station Details
Years Station Coordinates
2012–2024 Calgary International Airport location
1881–2012 Calgary International Airport location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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