Ottawa September 8 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of September 8.
September 8 All-Time Records
1889–2024
Highest temperature 34.8 °C 2002
Lowest temperature 1.1 °C 1892
Lowest daily high 12.8 °C 1949
Highest daily low 21.1 °C 1959
Most precipitation 4.12 cm 1981
Most snow none -
September 8 Average Weather
1991–2020 1
Average high 22.9 °C
Average low 11.9 °C
Chance precipitation 37.5%
Chance snow 0%
Ottawa September 8 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 34.0 12.0 0.00 0.0
2022 27.0 11.5 0.00 0.0
2021 25.0 16.0 0.00 0.0
2020 19.0 10.0 0.32 0.0
2019 16.5 10.0 0.00 0.0
2018 17.0 8.5 0.00 0.0
2017 16.5 10.5 0.12 0.0
2016 27.5 20.5 0.36 0.0
2015 27.5 19.4 0.00 0.0
2014 24.6 9.3 0.00 0.0
2013 17.1 10.5 0.02 0.0
2012 21.1 17.0 3.00 0.0
2011 23.9 14.8 0.00 0.0
2010 19.7 14.4 0.04 0.0
2009 25.8 12.0 0.00 0.0
2008 21.6 9.4 0.72 0.0
2007 22.6 20.1 0.00 0.0
2006 26.8 12.1 1.16 0.0
2005 19.5 16.2 0.98 0.0
2004 21.0 13.3 2.30 0.0
2003 22.0 7.0 0.00 0.0
2002 34.8 13.8 0.00 0.0
2001 33.2 20.3 0.00 0.0
2000 26.9 13.1 0.00 0.0
1999 24.3 19.7 0.80 0.0
1998 19.6 10.3 0.18 0.0
1997 21.0 10.9 0.00 0.0
1996 18.7 15.3 1.80 0.0
1995 16.1 3.9 0.00 0.0
1994 22.9 9.3 0.00 0.0
1993 19.9 6.6 1.00 0.0
1992 23.8 18.2 0.60 0.0
1991 27.8 10.4 0.00 0.0
1990 17.8 4.6 0.00 0.0
1989 25.9 16.9 0.02 0.0
1988 21.8 7.8 0.00 0.0
1987 22.7 16.9 3.28 0.0
1986 17.3 1.8 0.00 0.0
1985 25.6 15.3 0.00 0.0
1984 24.8 9.0 0.00 0.0
1983 24.5 14.5 0.00 0.0
1982 19.0 6.0 0.00 0.0
1981 24.0 17.5 4.12 0.0
1980 20.5 6.5 0.00 0.0
1979 14.5 6.0 0.00 0.0
1978 19.0 5.5 0.00 0.0
1977 20.0 9.0 0.00 0.0
1976 23.9 9.4 0.00 0.0
1975 25.0 10.6 0.00 0.0
1974 25.0 7.8 0.00 0.0
1973 16.7 11.1 0.00 0.0
1972 23.3 16.7 0.03 0.0
1971 28.9 16.7 0.00 0.0
1970 21.7 8.3 0.00 0.0
1969 16.7 11.1 0.00 0.0
1968 21.7 8.9 0.00 0.0
1967 27.8 14.4 0.00 0.0
1966 23.9 7.8 0.00 0.0
1965 20.6 14.4 0.00 0.0
1964 23.9 11.7 2.11 0.0
1963 24.4 13.3 0.00 0.0
1962 24.4 5.0 0.00 0.0
1961 26.7 12.8 0.00 0.0
1960 32.2 18.9 0.00 0.0
1959 29.4 21.1 0.03 0.0
1958 20.0 12.8 0.00 0.0
1957 19.4 8.3 0.00 0.0
1956 15.6 4.4 0.00 0.0
1955 18.3 3.9 0.00 0.0
1954 15.0 11.7 0.10 0.0
1953 19.4 10.0 0.00 0.0
1952 20.0 1.7 0.00 0.0
1951 21.7 5.0 0.00 0.0
1950 24.4 7.2 0.00 0.0
1949 12.8 8.9 0.36 0.0
1948 27.2 18.3 0.00 0.0
1947 23.3 14.4 0.00 0.0
1946 18.3 10.6 0.00 0.0
1945 32.2 16.1 0.18 0.0
1944 16.1 9.4 0.00 0.0
1943 23.9 11.1 0.00 0.0
1942 20.6 14.4 0.23 0.0
1941 15.6 7.2 0.00 0.0
1940 22.8 6.7 0.00 0.0
1939 18.9 9.4 0.00 0.0
1938 14.4 3.3 0.00 0.0
1937 23.9 8.9 0.00 0.0
1936 26.1 18.3 0.00 0.0
1935 18.9 7.8 0.00 0.0
1934 15.0 10.0 1.12 0.0
1933 21.1 11.1 0.53 0.0
1932 22.8 3.9 0.00 0.0
1931 27.2 8.9 0.00 0.0
1930 19.4 6.1 0.00 0.0
1929 26.1 11.1 0.00 0.0
1928 24.4 8.9 0.00 0.0
1927 20.6 8.3 0.00 0.0
1926 23.3 6.1 0.00 0.0
1925 20.0 9.4 0.00 0.0
1924 20.0 3.3 0.00 0.0
1923 20.6 17.2 1.24 0.0
1922 26.7 8.9 0.00 0.0
1921 25.6 8.3 0.00 0.0
1920 23.3 13.9 0.00 0.0
1919 23.3 10.6 1.22 0.0
1918 19.4 7.2 0.00 0.0
1917 19.4 3.9 0.00 0.0
1916 23.3 16.1 0.03 0.0
1915 23.3 18.3 1.70 0.0
1914 13.3 5.6 0.00 0.0
1913 22.8 18.3 0.00 0.0
1912 23.9 12.8 0.00 0.0
1911 19.4 7.2 0.00 0.0
1910 23.9 7.8 0.00 0.0
1909 22.2 3.3 0.00 0.0
1908 22.8 5.6 0.00 0.0
1907 25.6 12.2 0.00 0.0
1906 24.4 7.8 0.00 0.0
1905 25.0 7.2 0.00 0.0
1904 16.7 11.7 0.15 0.0
1903 19.4 4.4 0.00 0.0
1902 27.2 7.8 0.00 0.0
1901 17.8 5.6 0.00 0.0
1900 24.4 5.6 0.00 0.0
1899 21.7 10.6 0.00 0.0
1898 22.8 7.8 0.05 0.0
1897 30.0 11.7 0.00 0.0
1896 22.8 5.0 0.00 0.0
1895 21.1 11.7 0.00 0.0
1894 21.1 11.1 0.23 0.0
1893 18.9 7.2 0.00 0.0
1892 18.3 1.1 0.00 0.0
1891 17.8 6.1 0.00 0.0
1890 26.7 15.6 0.00 0.0
What's the all-time high for Ottawa on 9/8?
For the date of Sep 8, the highest temperature ever reached in Ottawa history is 34.8 °C which happened in 2002.
Highest Temperatures in Ottawa on September 8
Rank Temperature Year
1 34.8 °C 2002
2 34.0 °C 2023
3 33.2 °C 2001
4 32.2 °C 1945
4 32.2 °C 1960
6 30.0 °C 1897
7 29.4 °C 1959
8 28.9 °C 1971
9 27.8 °C 1967
9 27.8 °C 1991
What's the all-time low for Ottawa on 9/8?
For the date of Sep 8, the lowest temperature ever reached in Ottawa history is 1.1 °C which happened in 1892.
Lowest Temperatures in Ottawa on September 8
Rank Temperature Year
1 1.1 °C 1892
2 1.7 °C 1952
3 1.8 °C 1986
4 3.3 °C 1938
4 3.3 °C 1924
4 3.3 °C 1909
7 3.9 °C 1995
7 3.9 °C 1932
7 3.9 °C 1955
7 3.9 °C 1917
Lowest High Temperatures in Ottawa on September 8
Rank Temperature Year
1 12.8 °C 1949
2 13.3 °C 1914
3 14.4 °C 1938
4 14.5 °C 1979
5 15.0 °C 1954
5 15.0 °C 1934
7 15.6 °C 1941
7 15.6 °C 1956
9 16.1 °C 1995
9 16.1 °C 1944
What's the most it has ever rained in Ottawa on 9/8?
For the date of Sep 8, the most precipitation ever recorded in Ottawa history is 4.12 cm which happened in 1981.
All-Time Most Precipitation in Ottawa on September 8
Rank Precipitation Year
1 4.12 cm 1981
2 3.28 cm 1987
3 3.00 cm 2012
4 2.30 cm 2004
5 2.11 cm 1964
6 1.80 cm 1996
7 1.70 cm 1915
8 1.24 cm 1923
9 1.22 cm 1919
10 1.16 cm 2006
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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