Ottawa September 5 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of September 5.
September 5 All-Time Records
1889–2024
Highest temperature 33.5 °C 1983
Lowest temperature 2.8 °C 1906
Lowest daily high 13.7 °C 1988
Highest daily low 20.0 °C 1971
Most precipitation 5.87 cm 1918
Most snow none -
September 5 Average Weather
1991–2020 1
Average high 23.2 °C
Average low 12.3 °C
Chance precipitation 36.5%
Chance snow 0%
Ottawa September 5 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 32.5 17.0 0.00 0.0
2022 22.0 9.0 0.00 0.0
2021 24.5 15.5 0.28 0.0
2020 21.0 9.0 0.24 0.0
2019 22.5 6.0 0.00 0.0
2018 32.0 18.0 0.36 0.0
2017 21.5 14.5 0.00 0.0
2016 28.0 8.5 0.00 0.0
2015 28.5 12.5 0.00 0.0
2014 29.0 19.2 3.42 0.0
2013 17.3 8.4 0.00 0.0
2012 27.5 16.4 0.21 0.0
2011 19.0 15.6 0.00 0.0
2010 18.0 9.5 0.00 0.0
2009 21.8 12.9 0.00 0.0
2008 30.8 15.2 0.89 0.0
2007 20.1 7.4 0.10 0.0
2006 22.7 12.5 0.00 0.0
2005 24.2 8.1 0.00 0.0
2004 23.5 11.2 0.00 0.0
2003 19.6 12.5 0.04 0.0
2002 22.0 13.8 0.00 0.0
2001 20.7 9.0 0.00 0.0
2000 15.7 5.5 0.00 0.0
1999 31.1 18.7 2.24 0.0
1998 24.5 12.2 0.00 0.0
1997 24.6 8.2 0.08 0.0
1996 29.1 15.1 0.00 0.0
1995 25.3 11.9 0.00 0.0
1994 21.3 6.2 0.00 0.0
1993 22.0 12.9 0.00 0.0
1992 23.6 7.3 0.00 0.0
1991 23.6 11.3 0.00 0.0
1990 21.0 16.9 0.00 0.0
1989 23.0 13.6 0.00 0.0
1988 13.7 9.6 0.00 0.0
1987 25.8 6.5 0.00 0.0
1986 23.5 16.9 0.89 0.0
1985 22.4 15.5 0.40 0.0
1984 n/a 8.6 0.02 0.0
1983 33.5 16.5 0.00 0.0
1982 23.5 7.0 0.98 0.0
1981 21.5 16.0 0.02 0.0
1980 27.0 15.0 0.00 0.0
1979 27.0 9.5 0.10 0.0
1978 20.0 13.5 0.04 0.0
1977 21.0 14.5 0.00 0.0
1976 17.2 12.8 0.13 0.0
1975 21.7 11.1 0.00 0.0
1974 22.2 5.0 0.00 0.0
1973 31.1 18.9 1.68 0.0
1972 21.7 9.4 0.00 0.0
1971 28.9 20.0 0.00 0.0
1970 19.4 16.1 0.00 0.0
1969 24.4 13.9 0.00 0.0
1968 23.3 12.8 3.58 0.0
1967 25.0 13.3 0.00 0.0
1966 22.2 12.8 0.00 0.0
1965 22.8 13.3 0.28 0.0
1964 20.0 13.9 0.15 0.0
1963 18.3 5.0 0.00 0.0
1962 17.2 13.3 0.18 0.0
1961 28.3 17.8 0.00 0.0
1960 21.1 8.3 0.00 0.0
1959 25.6 12.8 0.00 0.0
1958 23.9 11.1 0.00 0.0
1957 15.6 11.1 0.00 0.0
1956 26.7 18.3 0.00 0.0
1955 24.4 14.4 0.00 0.0
1954 24.4 13.3 0.00 0.0
1953 22.2 16.7 1.32 0.0
1952 27.2 10.6 0.00 0.0
1951 21.1 5.6 0.25 0.0
1950 20.6 10.0 0.00 0.0
1949 26.1 16.7 0.00 0.0
1948 28.9 12.2 0.00 0.0
1947 25.6 10.0 0.00 0.0
1946 23.3 3.9 0.00 0.0
1945 27.8 13.9 0.00 0.0
1944 22.8 12.8 0.08 0.0
1943 25.0 16.1 0.56 0.0
1942 17.8 10.6 0.13 0.0
1941 27.8 20.0 0.51 0.0
1940 22.2 9.4 0.00 0.0
1939 16.1 12.8 0.00 0.0
1938 15.6 5.6 0.00 0.0
1937 18.3 7.2 0.00 0.0
1936 22.2 6.7 0.00 0.0
1935 21.7 10.6 0.00 0.0
1934 22.2 15.6 0.10 0.0
1933 25.0 10.0 0.08 0.0
1932 24.4 10.0 0.00 0.0
1931 24.4 8.3 0.00 0.0
1930 25.6 5.0 0.00 0.0
1929 29.4 13.9 1.12 0.0
1928 20.6 5.6 0.00 0.0
1927 22.2 4.4 0.00 0.0
1926 18.3 13.3 0.05 0.0
1925 25.6 11.7 0.00 0.0
1924 22.2 7.2 1.22 0.0
1923 22.8 8.3 0.00 0.0
1922 30.0 9.4 0.00 0.0
1921 23.3 11.7 0.00 0.0
1920 23.9 9.4 0.00 0.0
1919 23.9 3.9 0.00 0.0
1918 17.8 10.0 5.87 0.0
1917 20.0 7.2 0.00 0.0
1916 17.2 11.1 1.07 0.0
1915 26.7 12.8 0.00 0.0
1914 21.7 5.6 0.00 0.0
1913 21.1 9.4 0.00 0.0
1912 25.0 12.8 0.38 0.0
1911 26.1 10.0 0.00 0.0
1910 17.8 8.9 0.41 0.0
1909 16.7 10.0 0.76 0.0
1908 29.4 16.1 0.00 0.0
1907 18.9 13.3 0.00 0.0
1906 24.4 2.8 0.00 0.0
1905 22.8 10.6 0.00 0.0
1904 17.8 11.1 0.25 0.0
1903 22.2 9.4 0.00 0.0
1902 17.2 4.4 0.00 0.0
1901 32.2 16.7 0.00 0.0
1900 27.2 11.7 0.00 0.0
1899 23.3 10.0 0.28 0.0
1898 23.9 13.9 0.56 0.0
1897 29.4 10.0 0.00 0.0
1896 15.0 3.3 0.10 0.0
1895 26.7 16.1 0.00 0.0
1894 23.9 13.3 0.28 0.0
1893 20.0 5.0 0.00 0.0
1892 24.4 13.9 0.28 0.0
1891 15.6 8.3 0.76 0.0
1890 26.7 17.2 0.00 0.0
What's the all-time high for Ottawa on 9/5?
For the date of Sep 5, the highest temperature ever reached in Ottawa history is 33.5 °C which happened in 1983.
Highest Temperatures in Ottawa on September 5
Rank Temperature Year
1 33.5 °C 1983
2 32.5 °C 2023
3 32.2 °C 1901
4 32.0 °C 2018
5 31.1 °C 1999
5 31.1 °C 1973
7 30.8 °C 2008
8 30.0 °C 1922
9 29.4 °C 1897
9 29.4 °C 1929
9 29.4 °C 1908
What's the all-time low for Ottawa on 9/5?
For the date of Sep 5, the lowest temperature ever reached in Ottawa history is 2.8 °C which happened in 1906.
Lowest Temperatures in Ottawa on September 5
Rank Temperature Year
1 2.8 °C 1906
2 3.3 °C 1896
3 3.9 °C 1919
3 3.9 °C 1946
5 4.4 °C 1927
5 4.4 °C 1902
7 5.0 °C 1974
7 5.0 °C 1893
7 5.0 °C 1963
7 5.0 °C 1930
Lowest High Temperatures in Ottawa on September 5
Rank Temperature Year
1 13.7 °C 1988
2 15.0 °C 1896
3 15.6 °C 1891
3 15.6 °C 1957
3 15.6 °C 1938
6 15.7 °C 2000
7 16.1 °C 1939
8 16.7 °C 1909
9 17.2 °C 1916
9 17.2 °C 1962
9 17.2 °C 1902
9 17.2 °C 1976
What's the most it has ever rained in Ottawa on 9/5?
For the date of Sep 5, the most precipitation ever recorded in Ottawa history is 5.87 cm which happened in 1918.
All-Time Most Precipitation in Ottawa on September 5
Rank Precipitation Year
1 5.87 cm 1918
2 3.58 cm 1968
3 3.42 cm 2014
4 2.24 cm 1999
5 1.68 cm 1973
6 1.32 cm 1953
7 1.22 cm 1924
8 1.12 cm 1929
9 1.07 cm 1916
10 0.98 cm 1982
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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