Ottawa September 14 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of September 14.
September 14 All-Time Records
1889–2024
Highest temperature 30.6 °C 1915
Lowest temperature -1.7 °C 1935
Lowest daily high 11.7 °C 1959
Highest daily low 21.7 °C 1931
Most precipitation 3.28 cm 2000
Most snow none -
September 14 Average Weather
1991–2020 1
Average high 21.7 °C
Average low 10.8 °C
Chance precipitation 39.0%
Chance snow 0%
Ottawa September 14 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 26.5 11.5 0.00 0.0
2022 22.0 17.0 0.00 0.0
2021 23.0 8.0 2.04 0.0
2020 15.0 9.5 0.00 0.0
2019 23.5 15.0 0.00 0.0
2018 28.5 18.0 0.00 0.0
2017 27.0 13.0 0.00 0.0
2016 18.5 15.5 0.00 0.0
2015 23.2 13.4 0.00 0.0
2014 12.8 6.0 0.02 0.0
2013 17.0 6.0 0.00 0.0
2012 19.8 15.4 1.49 0.0
2011 20.8 11.4 0.18 0.0
2010 17.8 11.2 0.37 0.0
2009 23.7 8.0 1.16 0.0
2008 26.5 16.3 2.17 0.0
2007 26.2 8.2 0.78 0.0
2006 17.6 13.0 0.20 0.0
2005 30.5 17.0 0.42 0.0
2004 26.8 9.4 0.00 0.0
2003 28.3 18.3 0.00 0.0
2002 26.6 11.7 0.45 0.0
2001 17.8 6.9 0.00 0.0
2000 16.7 14.5 3.28 0.0
1999 22.5 14.8 0.10 0.0
1998 17.4 7.5 0.60 0.0
1997 23.3 12.9 0.00 0.0
1996 18.6 12.0 0.54 0.0
1995 14.2 10.7 0.00 0.0
1994 20.4 12.6 0.00 0.0
1993 27.5 17.5 0.16 0.0
1992 24.0 7.4 0.00 0.0
1991 21.9 11.2 0.48 0.0
1990 24.6 12.0 0.34 0.0
1989 15.7 10.3 0.40 0.0
1988 18.9 6.9 0.10 0.0
1987 20.3 13.3 0.00 0.0
1986 12.9 3.2 0.00 0.0
1985 19.6 6.6 0.00 0.0
1984 15.9 12.0 0.03 0.0
1983 18.5 3.0 0.00 0.0
1982 25.0 15.5 0.48 0.0
1981 20.5 14.5 0.02 0.0
1980 14.0 11.5 0.02 0.0
1979 17.0 14.5 3.04 0.0
1978 20.0 5.0 0.18 0.0
1977 16.5 13.0 0.64 0.0
1976 27.8 13.3 0.00 0.0
1975 13.9 5.0 0.00 0.0
1974 17.2 9.4 0.00 0.0
1973 20.0 9.4 0.00 0.0
1972 18.9 14.4 0.00 0.0
1971 21.1 15.6 0.00 0.0
1970 15.6 5.6 0.00 0.0
1969 26.1 10.0 0.00 0.0
1968 21.1 5.6 0.00 0.0
1967 24.4 3.9 0.00 0.0
1966 22.8 13.9 0.61 0.0
1965 19.4 11.7 0.13 0.0
1964 21.1 3.3 0.00 0.0
1963 16.1 1.1 0.00 0.0
1962 23.3 18.3 0.00 0.0
1961 30.0 10.6 0.41 0.0
1960 17.8 5.0 0.03 0.0
1959 11.7 4.4 0.00 0.0
1958 20.6 5.6 0.00 0.0
1957 21.7 13.3 0.00 0.0
1956 21.1 12.2 0.00 0.0
1955 20.6 2.8 0.56 0.0
1954 16.7 6.1 0.00 0.0
1953 15.0 5.6 0.00 0.0
1952 20.0 12.2 0.05 0.0
1951 17.8 16.7 0.89 0.0
1950 17.2 11.7 0.66 0.0
1949 21.7 14.4 0.00 0.0
1948 18.9 7.8 0.00 0.0
1947 26.7 18.9 0.00 0.0
1946 20.6 0.6 0.00 0.0
1945 14.4 9.4 1.70 0.0
1944 21.7 16.1 0.25 0.0
1943 22.2 6.1 0.00 0.0
1942 21.1 7.2 0.00 0.0
1941 22.8 4.4 0.00 0.0
1940 21.7 5.0 0.00 0.0
1939 23.9 11.7 0.08 0.0
1938 21.7 8.9 1.04 0.0
1937 16.7 7.2 0.43 0.0
1936 17.2 5.6 0.18 0.0
1935 13.3 -1.7 2.29 0.0
1934 21.1 16.1 0.00 0.0
1933 20.6 10.0 0.00 0.0
1932 23.3 15.6 0.94 0.0
1931 30.0 21.7 0.00 0.0
1930 23.9 10.6 0.00 0.0
1929 22.8 13.9 1.63 0.0
1928 15.6 11.7 0.00 0.0
1927 20.0 6.1 0.00 0.0
1926 16.7 2.2 0.00 0.0
1925 21.7 12.8 0.36 0.0
1924 21.1 9.4 0.28 0.0
1923 15.0 1.7 0.00 0.0
1922 20.6 11.7 0.46 0.0
1921 17.2 5.0 0.00 0.0
1920 21.1 8.3 0.00 0.0
1919 16.7 11.7 0.18 0.0
1918 19.4 11.1 0.00 0.0
1917 23.3 8.3 0.00 0.0
1916 24.4 16.1 0.00 0.0
1915 30.6 11.7 0.23 0.0
1914 24.4 5.6 0.00 0.0
1913 12.2 1.7 0.00 0.0
1912 24.4 12.8 0.00 0.0
1911 18.3 -1.7 0.00 0.0
1910 18.3 2.8 0.00 0.0
1909 29.4 16.1 0.00 0.0
1908 21.1 9.4 0.00 0.0
1907 27.2 11.1 0.00 0.0
1906 23.9 9.4 0.00 0.0
1905 16.7 0.6 0.00 0.0
1904 22.2 8.9 0.58 0.0
1903 21.1 12.2 0.00 0.0
1902 17.2 3.3 0.00 0.0
1901 22.2 10.0 0.00 0.0
1900 18.9 11.1 0.00 0.0
1899 12.8 2.2 0.00 0.0
1898 23.9 8.3 0.00 0.0
1897 20.0 12.2 0.00 0.0
1896 21.1 8.9 0.00 0.0
1895 12.8 3.9 0.00 0.0
1894 19.4 13.3 0.76 0.0
1893 22.8 17.2 0.05 0.0
1892 21.7 12.8 1.02 0.0
1891 16.7 8.9 0.00 0.0
1890 19.4 5.0 0.00 0.0
What's the all-time high for Ottawa on 9/14?
For the date of Sep 14, the highest temperature ever reached in Ottawa history is 30.6 °C which happened in 1915.
Highest Temperatures in Ottawa on September 14
Rank Temperature Year
1 30.6 °C 1915
2 30.5 °C 2005
3 30.0 °C 1931
3 30.0 °C 1961
5 29.4 °C 1909
6 28.5 °C 2018
7 28.3 °C 2003
8 27.8 °C 1976
9 27.5 °C 1993
10 27.2 °C 1907
What's the all-time low for Ottawa on 9/14?
For the date of Sep 14, the lowest temperature ever reached in Ottawa history is -1.7 °C which has happened 2 times, most recently in 1935.
Lowest Temperatures in Ottawa on September 14
Rank Temperature Year
1 -1.7 °C 1911
1 -1.7 °C 1935
3 0.6 °C 1905
3 0.6 °C 1946
5 1.1 °C 1963
6 1.7 °C 1923
6 1.7 °C 1913
8 2.2 °C 1899
8 2.2 °C 1926
10 2.8 °C 1955
10 2.8 °C 1910
Lowest High Temperatures in Ottawa on September 14
Rank Temperature Year
1 11.7 °C 1959
2 12.2 °C 1913
3 12.8 °C 1899
3 12.8 °C 2014
3 12.8 °C 1895
6 12.9 °C 1986
7 13.3 °C 1935
8 13.9 °C 1975
9 14.0 °C 1980
10 14.2 °C 1995
What's the most it has ever rained in Ottawa on 9/14?
For the date of Sep 14, the most precipitation ever recorded in Ottawa history is 3.28 cm which happened in 2000.
All-Time Most Precipitation in Ottawa on September 14
Rank Precipitation Year
1 3.28 cm 2000
2 3.04 cm 1979
3 2.29 cm 1935
4 2.17 cm 2008
5 2.04 cm 2021
6 1.70 cm 1945
7 1.63 cm 1929
8 1.49 cm 2012
9 1.16 cm 2009
10 1.04 cm 1938
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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