Ottawa September 16 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of September 16.
September 16 All-Time Records
1889–2024
Highest temperature 32.8 °C 1939
Lowest temperature -1.1 °C 1964
Lowest daily high 10.6 °C 1954
Highest daily low 18.3 °C 1942
Most precipitation 2.59 cm 1934
Most snow none -
September 16 Average Weather
1991–2020 1
Average high 21.2 °C
Average low 10.4 °C
Chance precipitation 41.0%
Chance snow 0%
Ottawa September 16 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 23.5 6.5 0.00 0.0
2022 18.0 10.5 0.00 0.0
2021 24.0 8.5 0.00 0.0
2020 22.5 8.0 0.00 0.0
2019 21.5 5.0 0.00 0.0
2018 30.0 16.5 0.00 0.0
2017 27.0 15.0 0.00 0.0
2016 22.5 4.5 0.00 0.0
2015 29.6 13.2 0.00 0.0
2014 17.9 9.3 0.00 0.0
2013 12.2 6.2 0.00 0.0
2012 18.2 3.6 0.00 0.0
2011 14.0 4.5 0.00 0.0
2010 12.9 6.5 1.58 0.0
2009 15.7 9.5 0.00 0.0
2008 17.5 3.3 0.00 0.0
2007 17.0 2.9 0.00 0.0
2006 23.8 9.5 0.00 0.0
2005 19.8 16.1 1.82 0.0
2004 25.8 13.4 0.05 0.0
2003 23.3 13.7 0.00 0.0
2002 21.6 10.4 0.00 0.0
2001 22.1 7.1 0.00 0.0
2000 12.1 8.7 0.04 0.0
1999 17.9 12.2 0.10 0.0
1998 20.2 9.7 0.00 0.0
1997 18.5 10.9 0.00 0.0
1996 15.1 11.5 0.00 0.0
1995 19.8 3.1 0.02 0.0
1994 28.3 13.0 0.53 0.0
1993 15.6 4.8 0.00 0.0
1992 24.3 13.1 0.00 0.0
1991 29.0 15.5 1.36 0.0
1990 14.0 5.7 0.00 0.0
1989 17.4 6.7 0.32 0.0
1988 17.7 2.3 0.00 0.0
1987 23.7 10.8 0.00 0.0
1986 13.0 5.6 0.02 0.0
1985 21.3 6.6 0.00 0.0
1984 15.5 6.0 0.12 0.0
1983 16.5 8.0 0.80 0.0
1982 17.0 10.0 0.10 0.0
1981 17.0 6.0 0.00 0.0
1980 20.5 5.0 0.00 0.0
1979 19.5 9.0 0.00 0.0
1978 17.0 12.5 0.00 0.0
1977 15.0 10.5 0.30 0.0
1976 22.8 15.0 0.00 0.0
1975 19.4 11.1 0.03 0.0
1974 15.0 7.2 0.00 0.0
1973 13.3 8.3 0.00 0.0
1972 21.7 13.3 0.13 0.0
1971 20.0 10.0 0.08 0.0
1970 16.7 9.4 0.00 0.0
1969 21.7 15.6 0.97 0.0
1968 26.1 11.7 0.00 0.0
1967 26.7 10.6 0.00 0.0
1966 18.9 1.7 0.00 0.0
1965 14.4 7.2 0.00 0.0
1964 13.3 -1.1 0.00 0.0
1963 22.8 4.4 0.00 0.0
1962 16.1 7.2 0.41 0.0
1961 15.0 4.4 0.00 0.0
1960 16.7 2.2 0.00 0.0
1959 11.7 2.2 0.00 0.0
1958 24.4 16.7 0.00 0.0
1957 22.8 16.1 0.00 0.0
1956 13.9 6.1 0.00 0.0
1955 17.2 5.6 0.00 0.0
1954 10.6 7.8 0.38 0.0
1953 12.8 7.8 0.08 0.0
1952 18.9 7.8 0.15 0.0
1951 19.4 10.0 0.00 0.0
1950 13.3 7.2 0.00 0.0
1949 19.4 5.6 0.13 0.0
1948 17.2 1.7 0.00 0.0
1947 18.9 11.1 0.13 0.0
1946 26.1 7.2 0.00 0.0
1945 11.1 3.3 0.00 0.0
1944 26.1 12.8 0.00 0.0
1943 17.2 9.4 0.15 0.0
1942 26.7 18.3 0.00 0.0
1941 30.0 18.3 0.10 0.0
1940 23.3 10.6 0.00 0.0
1939 32.8 18.3 0.00 0.0
1938 13.9 8.3 0.00 0.0
1937 17.2 7.2 0.23 0.0
1936 25.6 15.6 0.61 0.0
1935 17.2 0.6 0.00 0.0
1934 23.3 18.3 2.59 0.0
1933 18.9 10.6 0.00 0.0
1932 22.2 13.3 0.30 0.0
1931 20.6 8.9 0.00 0.0
1930 20.6 8.3 0.20 0.0
1929 23.3 5.0 0.00 0.0
1928 20.6 16.7 0.18 0.0
1927 20.0 6.1 0.00 0.0
1926 14.4 12.2 1.65 0.0
1925 16.1 11.7 0.46 0.0
1924 18.9 15.6 0.00 0.0
1923 21.1 1.7 0.05 0.0
1922 18.9 6.7 0.46 0.0
1921 22.8 5.6 0.00 0.0
1920 22.2 10.6 1.65 0.0
1919 20.0 10.6 0.23 0.0
1918 17.2 11.1 0.03 0.0
1917 26.1 8.9 0.00 0.0
1916 16.1 5.0 0.00 0.0
1915 27.2 16.7 0.03 0.0
1914 26.7 4.4 0.00 0.0
1913 20.6 0.0 0.00 0.0
1912 17.8 7.2 0.56 0.0
1911 24.4 11.1 0.33 0.0
1910 21.7 6.1 0.00 0.0
1909 22.2 12.8 0.05 0.0
1908 23.9 3.3 0.00 0.0
1907 25.6 13.3 0.33 0.0
1906 25.0 6.1 0.00 0.0
1905 22.8 10.0 0.15 0.0
1904 18.3 2.2 0.00 0.0
1903 29.4 15.0 0.00 0.0
1902 24.4 5.6 0.00 0.0
1901 22.2 13.3 0.00 0.0
1900 17.8 10.0 1.96 0.0
1899 21.1 2.2 0.00 0.0
1898 24.4 16.1 1.75 0.0
1897 27.2 9.4 0.00 0.0
1896 16.1 3.9 0.00 0.0
1895 20.6 9.4 0.00 0.0
1894 22.2 13.9 0.00 0.0
1893 18.9 11.1 2.08 0.0
1892 15.6 7.8 0.28 0.0
1891 16.7 8.3 0.00 0.0
1890 19.4 11.7 0.10 0.0
What's the all-time high for Ottawa on 9/16?
For the date of Sep 16, the highest temperature ever reached in Ottawa history is 32.8 °C which happened in 1939.
Highest Temperatures in Ottawa on September 16
Rank Temperature Year
1 32.8 °C 1939
2 30.0 °C 1941
2 30.0 °C 2018
4 29.6 °C 2015
5 29.4 °C 1903
6 29.0 °C 1991
7 28.3 °C 1994
8 27.2 °C 1897
8 27.2 °C 1915
10 27.0 °C 2017
What's the all-time low for Ottawa on 9/16?
For the date of Sep 16, the lowest temperature ever reached in Ottawa history is -1.1 °C which happened in 1964.
Lowest Temperatures in Ottawa on September 16
Rank Temperature Year
1 -1.1 °C 1964
2 0.0 °C 1913
3 0.6 °C 1935
4 1.7 °C 1948
4 1.7 °C 1966
4 1.7 °C 1923
7 2.2 °C 1899
7 2.2 °C 1959
7 2.2 °C 1904
7 2.2 °C 1960
Lowest High Temperatures in Ottawa on September 16
Rank Temperature Year
1 10.6 °C 1954
2 11.1 °C 1945
3 11.7 °C 1959
4 12.1 °C 2000
5 12.2 °C 2013
6 12.8 °C 1953
7 12.9 °C 2010
8 13.0 °C 1986
9 13.3 °C 1950
9 13.3 °C 1964
9 13.3 °C 1973
What's the most it has ever rained in Ottawa on 9/16?
For the date of Sep 16, the most precipitation ever recorded in Ottawa history is 2.59 cm which happened in 1934.
All-Time Most Precipitation in Ottawa on September 16
Rank Precipitation Year
1 2.59 cm 1934
2 2.08 cm 1893
3 1.96 cm 1900
4 1.82 cm 2005
5 1.75 cm 1898
6 1.65 cm 1926
6 1.65 cm 1920
8 1.58 cm 2010
9 1.36 cm 1991
10 0.97 cm 1969
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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