Ottawa September 24 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of September 24.
September 24 All-Time Records
1889–2024
Highest temperature 31.0 °C 2017
Lowest temperature -1.7 °C 1963
Lowest daily high 7.8 °C 1950
Highest daily low 19.0 °C 2017
Most precipitation 4.24 cm 2001
Most snow none -
September 24 Average Weather
1991–2020 1
Average high 19.2 °C
Average low 8.8 °C
Chance precipitation 42.7%
Chance snow 0%
Ottawa September 24 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 25.5 8.5 0.00 0.0
2022 18.0 4.5 0.00 0.0
2021 18.0 13.0 0.00 0.0
2020 17.5 13.5 0.00 0.0
2019 17.5 12.0 0.00 0.0
2018 14.0 6.0 0.66 0.0
2017 31.0 19.0 0.00 0.0
2016 18.0 4.5 0.00 0.0
2015 20.8 12.5 0.00 0.0
2014 22.0 6.5 0.00 0.0
2013 19.0 4.9 0.00 0.0
2012 16.2 1.0 0.08 0.0
2011 23.0 16.1 0.00 0.0
2010 27.6 8.4 0.02 0.0
2009 18.1 10.3 0.00 0.0
2008 25.2 7.3 0.00 0.0
2007 27.7 7.2 0.00 0.0
2006 22.5 13.9 0.00 0.0
2005 17.4 4.9 0.00 0.0
2004 27.0 12.3 0.00 0.0
2003 21.0 11.5 1.05 0.0
2002 23.0 5.8 0.00 0.0
2001 23.5 12.1 4.24 0.0
2000 13.1 9.8 0.00 0.0
1999 14.2 10.8 0.18 0.0
1998 16.2 1.2 0.02 0.0
1997 13.0 0.6 0.00 0.0
1996 14.4 2.9 0.28 0.0
1995 14.0 -1.1 0.00 0.0
1994 19.0 13.3 0.00 0.0
1993 18.0 4.0 0.00 0.0
1992 15.0 0.0 0.00 0.0
1991 14.7 3.3 0.54 0.0
1990 12.2 4.3 0.42 0.0
1989 11.1 3.1 0.00 0.0
1988 17.4 8.6 0.00 0.0
1987 15.3 6.6 0.00 0.0
1986 22.2 10.0 0.00 0.0
1985 21.3 13.1 0.22 0.0
1984 22.8 13.3 0.03 0.0
1983 16.5 4.0 0.00 0.0
1982 20.5 8.5 0.42 0.0
1981 15.5 7.0 0.00 0.0
1980 13.5 2.0 0.00 0.0
1979 18.5 1.0 0.00 0.0
1978 21.5 4.5 0.00 0.0
1977 18.0 8.0 0.08 0.0
1976 12.2 4.4 0.03 0.0
1975 13.3 8.9 0.08 0.0
1974 12.8 -0.6 0.00 0.0
1973 16.7 6.7 0.00 0.0
1972 15.6 7.8 0.25 0.0
1971 14.4 6.7 0.00 0.0
1970 20.0 10.0 1.50 0.0
1969 13.3 10.0 0.15 0.0
1968 26.7 10.0 0.15 0.0
1967 11.7 6.1 0.13 0.0
1966 11.7 4.4 0.00 0.0
1965 21.1 10.6 0.10 0.0
1964 19.4 9.4 0.10 0.0
1963 16.7 -1.7 0.00 0.0
1962 17.2 1.1 0.00 0.0
1961 21.7 13.9 0.00 0.0
1960 19.4 12.8 0.00 0.0
1959 21.1 15.6 0.00 0.0
1958 23.9 7.2 1.73 0.0
1957 14.4 5.0 0.13 0.0
1956 10.0 8.9 0.05 0.0
1955 13.9 8.9 0.03 0.0
1954 16.7 1.7 0.00 0.0
1953 18.3 -1.1 0.00 0.0
1952 16.1 4.4 0.05 0.0
1951 17.8 6.1 0.28 0.0
1950 7.8 3.3 0.00 0.0
1949 11.7 7.2 0.00 0.0
1948 18.3 10.0 0.00 0.0
1947 17.8 5.6 0.10 0.0
1946 20.0 18.3 0.25 0.0
1945 22.2 12.8 1.78 0.0
1944 16.1 -1.7 0.00 0.0
1943 11.7 3.9 0.00 0.0
1942 14.4 5.0 0.46 0.0
1941 22.8 4.4 0.00 0.0
1940 16.7 9.4 1.07 0.0
1939 14.4 -0.6 0.18 0.0
1938 16.7 8.3 0.00 0.0
1937 27.8 9.4 0.00 0.0
1936 19.4 8.3 1.98 0.0
1935 15.6 2.2 0.05 0.0
1934 23.9 15.0 0.00 0.0
1933 22.8 14.4 0.00 0.0
1932 13.9 6.7 0.00 0.0
1931 14.4 11.1 1.24 0.0
1930 25.0 6.7 0.00 0.0
1929 26.1 2.2 0.00 0.0
1928 12.2 0.0 0.00 0.0
1927 18.3 1.1 0.00 0.0
1926 27.2 11.7 1.32 0.0
1925 17.2 7.2 0.41 0.0
1924 13.9 1.1 0.00 0.0
1923 22.2 12.8 0.00 0.0
1922 23.3 14.4 0.00 0.0
1921 22.8 5.6 0.00 0.0
1920 27.8 12.8 0.00 0.0
1919 13.9 3.9 1.12 0.0
1918 15.6 6.7 0.00 0.0
1917 21.7 2.8 0.00 0.0
1916 12.8 8.3 0.00 0.0
1915 18.3 11.1 0.23 0.0
1914 16.1 12.8 0.38 0.0
1913 17.2 4.4 0.00 0.0
1912 19.4 13.9 0.25 0.0
1911 23.9 11.7 0.00 0.0
1910 13.9 5.0 0.00 0.0
1909 16.7 10.6 1.19 0.0
1908 25.6 16.7 0.15 0.0
1907 21.1 10.0 0.10 0.0
1906 15.6 1.1 0.00 0.0
1905 15.6 0.6 0.76 0.0
1904 17.8 6.7 4.01 0.0
1903 22.2 3.9 0.84 0.0
1902 17.8 7.2 0.00 0.0
1901 15.6 12.2 0.00 0.0
1900 22.8 10.0 0.00 0.0
1899 18.9 2.2 0.18 0.0
1898 13.9 8.3 0.76 0.0
1897 21.1 8.9 0.00 0.0
1896 16.1 6.1 0.00 0.0
1895 20.6 6.7 0.00 0.0
1894 15.0 7.8 0.15 0.0
1893 14.4 4.4 1.02 0.0
1892 22.8 16.7 0.00 0.0
1891 30.6 15.0 0.00 0.0
1890 11.7 2.8 0.00 0.0
What's the all-time high for Ottawa on 9/24?
For the date of Sep 24, the highest temperature ever reached in Ottawa history is 31.0 °C which happened in 2017.
Highest Temperatures in Ottawa on September 24
Rank Temperature Year
1 31.0 °C 2017
2 30.6 °C 1891
3 27.8 °C 1937
3 27.8 °C 1920
5 27.7 °C 2007
6 27.6 °C 2010
7 27.2 °C 1926
8 27.0 °C 2004
9 26.7 °C 1968
10 26.1 °C 1929
What's the all-time low for Ottawa on 9/24?
For the date of Sep 24, the lowest temperature ever reached in Ottawa history is -1.7 °C which has happened 2 times, most recently in 1963.
Lowest Temperatures in Ottawa on September 24
Rank Temperature Year
1 -1.7 °C 1963
1 -1.7 °C 1944
3 -1.1 °C 1995
3 -1.1 °C 1953
5 -0.6 °C 1974
5 -0.6 °C 1939
7 0.0 °C 1992
7 0.0 °C 1928
9 0.6 °C 1905
9 0.6 °C 1997
Lowest High Temperatures in Ottawa on September 24
Rank Temperature Year
1 7.8 °C 1950
2 10.0 °C 1956
3 11.1 °C 1989
4 11.7 °C 1949
4 11.7 °C 1967
4 11.7 °C 1966
4 11.7 °C 1943
4 11.7 °C 1890
9 12.2 °C 1976
9 12.2 °C 1990
9 12.2 °C 1928
What's the most it has ever rained in Ottawa on 9/24?
For the date of Sep 24, the most precipitation ever recorded in Ottawa history is 4.24 cm which happened in 2001.
All-Time Most Precipitation in Ottawa on September 24
Rank Precipitation Year
1 4.24 cm 2001
2 4.01 cm 1904
3 1.98 cm 1936
4 1.78 cm 1945
5 1.73 cm 1958
6 1.50 cm 1970
7 1.32 cm 1926
8 1.24 cm 1931
9 1.19 cm 1909
10 1.12 cm 1919
Weather Station Details
Years Station Coordinates
1889–2024 Ottawa CDA location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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