Ottawa September 7 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of September 7.
September 7 All-Time Records
1889–2024
Highest temperature 33.0 °C 2015
Lowest temperature 2.2 °C 1940
Lowest daily high 13.3 °C 1969
Highest daily low 21.5 °C 2023
Most precipitation 2.06 cm 1996
Most snow none -
September 7 Average Weather
1991–2020 1
Average high 23.0 °C
Average low 12.0 °C
Chance precipitation 37.1%
Chance snow 0%
Ottawa September 7 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 31.5 21.5 0.00 0.0
2022 25.0 16.0 0.00 0.0
2021 23.5 12.5 2.04 0.0
2020 25.0 11.0 0.10 0.0
2019 18.5 13.0 0.00 0.0
2018 22.5 8.5 0.00 0.0
2017 19.5 13.5 0.90 0.0
2016 28.5 16.0 1.38 0.0
2015 33.0 19.0 1.04 0.0
2014 21.0 9.2 0.00 0.0
2013 20.0 13.0 0.43 0.0
2012 26.0 14.0 1.38 0.0
2011 18.4 12.7 0.00 0.0
2010 27.3 15.4 1.38 0.0
2009 25.4 7.3 0.00 0.0
2008 18.2 11.8 0.28 0.0
2007 32.2 20.4 0.00 0.0
2006 23.0 6.7 0.02 0.0
2005 28.5 13.0 0.00 0.0
2004 24.3 16.0 0.56 0.0
2003 20.3 12.8 0.00 0.0
2002 31.3 12.5 0.00 0.0
2001 31.4 10.7 0.00 0.0
2000 23.4 7.9 0.00 0.0
1999 24.0 20.8 1.31 0.0
1998 21.0 11.7 0.08 0.0
1997 18.6 15.0 0.00 0.0
1996 26.8 17.1 2.06 0.0
1995 22.5 11.7 1.56 0.0
1994 19.8 10.0 0.04 0.0
1993 20.4 9.8 0.00 0.0
1992 22.5 18.0 0.00 0.0
1991 24.7 12.2 0.00 0.0
1990 19.0 13.9 0.00 0.0
1989 27.4 12.7 0.00 0.0
1988 20.4 6.3 0.00 0.0
1987 26.8 15.9 0.00 0.0
1986 14.4 7.8 0.00 0.0
1985 25.6 14.8 0.02 0.0
1984 21.6 4.9 0.00 0.0
1983 24.0 16.0 0.12 0.0
1982 17.0 3.5 0.00 0.0
1981 21.5 12.5 0.40 0.0
1980 22.5 12.0 0.00 0.0
1979 16.5 10.0 0.02 0.0
1978 17.0 11.5 0.00 0.0
1977 17.5 6.5 0.00 0.0
1976 20.6 8.9 0.00 0.0
1975 17.8 7.2 0.23 0.0
1974 23.9 7.8 0.00 0.0
1973 17.8 12.2 0.00 0.0
1972 26.7 10.0 0.91 0.0
1971 26.7 18.3 0.64 0.0
1970 20.6 8.9 0.00 0.0
1969 13.3 11.7 0.00 0.0
1968 19.4 12.2 0.00 0.0
1967 26.1 6.1 0.00 0.0
1966 21.7 11.1 0.00 0.0
1965 23.3 11.7 0.43 0.0
1964 22.8 6.1 0.00 0.0
1963 22.2 6.7 0.00 0.0
1962 22.8 9.4 0.00 0.0
1961 26.7 12.8 0.00 0.0
1960 31.1 13.3 0.00 0.0
1959 28.3 14.4 1.30 0.0
1958 16.7 13.9 0.10 0.0
1957 20.6 7.2 0.00 0.0
1956 17.8 8.3 0.00 0.0
1955 17.2 10.0 0.00 0.0
1954 22.2 10.0 0.08 0.0
1953 24.4 9.4 0.00 0.0
1952 17.2 6.1 0.00 0.0
1951 15.6 12.2 0.00 0.0
1950 25.6 8.3 0.00 0.0
1949 14.4 2.8 0.66 0.0
1948 28.3 17.8 0.00 0.0
1947 30.0 15.6 0.00 0.0
1946 23.3 17.8 0.00 0.0
1945 31.7 15.0 0.00 0.0
1944 18.9 14.4 0.13 0.0
1943 22.2 18.3 0.00 0.0
1942 25.0 3.9 0.00 0.0
1941 16.7 12.8 0.00 0.0
1940 22.2 2.2 0.00 0.0
1939 21.1 6.7 0.25 0.0
1938 15.6 7.8 0.43 0.0
1937 22.2 5.0 0.00 0.0
1936 23.9 18.9 0.58 0.0
1935 20.0 7.8 0.10 0.0
1934 18.3 10.6 0.00 0.0
1933 23.9 11.1 0.00 0.0
1932 15.6 8.3 0.00 0.0
1931 23.3 10.0 0.00 0.0
1930 21.7 3.3 0.00 0.0
1929 21.1 14.4 0.00 0.0
1928 23.3 6.1 0.00 0.0
1927 25.6 12.8 0.05 0.0
1926 25.0 12.2 0.00 0.0
1925 20.6 11.7 0.05 0.0
1924 18.9 3.9 0.08 0.0
1923 22.2 16.1 0.28 0.0
1922 20.6 6.1 0.00 0.0
1921 25.0 12.8 0.00 0.0
1920 19.4 14.4 1.40 0.0
1919 27.2 13.9 0.13 0.0
1918 20.0 5.6 0.00 0.0
1917 17.2 3.3 0.00 0.0
1916 28.3 15.6 0.25 0.0
1915 26.7 18.9 1.75 0.0
1914 16.7 11.1 0.43 0.0
1913 29.4 10.0 0.00 0.0
1912 26.7 17.2 0.41 0.0
1911 15.0 6.7 0.00 0.0
1910 19.4 13.3 0.00 0.0
1909 16.1 9.4 0.05 0.0
1908 20.6 7.8 0.00 0.0
1907 23.9 10.0 0.00 0.0
1906 29.4 10.6 0.00 0.0
1905 19.4 11.1 0.05 0.0
1904 20.0 4.4 0.00 0.0
1903 18.3 6.1 0.00 0.0
1902 24.4 12.8 0.15 0.0
1901 31.1 16.1 0.00 0.0
1900 22.2 8.3 0.00 0.0
1899 17.8 3.9 0.00 0.0
1898 21.1 14.4 0.36 0.0
1897 20.6 11.7 0.00 0.0
1896 20.0 11.7 0.00 0.0
1895 26.7 15.6 0.00 0.0
1894 26.7 10.0 0.00 0.0
1893 13.9 8.9 1.35 0.0
1892 15.6 5.0 0.00 0.0
1891 20.0 8.9 0.00 0.0
1890 29.4 13.3 0.00 0.0
What's the all-time high for Ottawa on 9/7?
For the date of Sep 7, the highest temperature ever reached in Ottawa history is 33.0 °C which happened in 2015.
Highest Temperatures in Ottawa on September 7
Rank Temperature Year
1 33.0 °C 2015
2 32.2 °C 2007
3 31.7 °C 1945
4 31.5 °C 2023
5 31.4 °C 2001
6 31.3 °C 2002
7 31.1 °C 1960
7 31.1 °C 1901
9 30.0 °C 1947
10 29.4 °C 1890
10 29.4 °C 1913
10 29.4 °C 1906
What's the all-time low for Ottawa on 9/7?
For the date of Sep 7, the lowest temperature ever reached in Ottawa history is 2.2 °C which happened in 1940.
Lowest Temperatures in Ottawa on September 7
Rank Temperature Year
1 2.2 °C 1940
2 2.8 °C 1949
3 3.3 °C 1917
3 3.3 °C 1930
5 3.5 °C 1982
6 3.9 °C 1942
6 3.9 °C 1924
6 3.9 °C 1899
9 4.4 °C 1904
10 4.9 °C 1984
Lowest High Temperatures in Ottawa on September 7
Rank Temperature Year
1 13.3 °C 1969
2 13.9 °C 1893
3 14.4 °C 1986
3 14.4 °C 1949
5 15.0 °C 1911
6 15.6 °C 1951
6 15.6 °C 1892
6 15.6 °C 1932
6 15.6 °C 1938
10 16.1 °C 1909
What's the most it has ever rained in Ottawa on 9/7?
For the date of Sep 7, the most precipitation ever recorded in Ottawa history is 2.06 cm which happened in 1996.
All-Time Most Precipitation in Ottawa on September 7
Rank Precipitation Year
1 2.06 cm 1996
2 2.04 cm 2021
3 1.75 cm 1915
4 1.56 cm 1995
5 1.40 cm 1920
6 1.38 cm 2016
6 1.38 cm 2012
6 1.38 cm 2010
9 1.35 cm 1893
10 1.31 cm 1999
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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