Ottawa September 19 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of September 19.
September 19 All-Time Records
1889–2024
Highest temperature 31.1 °C 1955
Lowest temperature -0.7 °C 2014
Lowest daily high 10.6 °C 1929
Highest daily low 18.3 °C 1942
Most precipitation 3.02 cm 1953
Most snow none -
September 19 Average Weather
1991–2020 1
Average high 20.4 °C
Average low 9.9 °C
Chance precipitation 41.9%
Chance snow 0%
Ottawa September 19 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 20.0 14.0 0.00 0.0
2022 14.0 10.5 0.52 0.0
2021 21.5 10.0 0.00 0.0
2020 13.5 1.5 0.00 0.0
2019 24.5 6.5 0.00 0.0
2018 18.0 12.5 0.06 0.0
2017 27.5 15.5 0.00 0.0
2016 26.0 14.0 0.00 0.0
2015 24.5 18.0 0.25 0.0
2014 15.5 -0.7 0.00 0.0
2013 24.9 4.9 0.00 0.0
2012 14.5 7.0 0.00 0.0
2011 21.6 5.3 0.82 0.0
2010 18.7 5.4 0.00 0.0
2009 17.3 4.0 0.00 0.0
2008 19.3 0.8 0.00 0.0
2007 26.7 6.9 0.00 0.0
2006 21.7 13.2 0.19 0.0
2005 24.2 14.9 0.00 0.0
2004 18.1 5.3 0.00 0.0
2003 25.5 15.0 0.88 0.0
2002 27.7 11.7 0.00 0.0
2001 24.0 11.6 0.90 0.0
2000 25.3 9.7 0.00 0.0
1999 24.1 8.6 0.00 0.0
1998 28.0 11.3 0.00 0.0
1997 24.0 14.1 0.94 0.0
1996 21.9 10.6 0.00 0.0
1995 18.3 1.3 0.00 0.0
1994 18.3 7.8 0.00 0.0
1993 11.7 4.5 0.00 0.0
1992 15.5 11.2 0.00 0.0
1991 16.1 11.6 0.00 0.0
1990 13.3 2.5 0.54 0.0
1989 20.6 11.4 0.00 0.0
1988 23.3 9.6 0.04 0.0
1987 15.5 11.7 0.98 0.0
1986 19.1 11.7 0.02 0.0
1985 27.5 13.8 0.00 0.0
1984 22.5 10.9 0.00 0.0
1983 22.0 14.5 0.06 0.0
1982 16.0 3.0 0.00 0.0
1981 18.0 5.0 0.22 0.0
1980 19.0 8.0 0.00 0.0
1979 11.0 4.0 0.00 0.0
1978 20.0 7.0 0.00 0.0
1977 19.5 14.0 0.22 0.0
1976 25.6 13.9 0.94 0.0
1975 21.1 13.3 0.79 0.0
1974 21.1 2.2 0.30 0.0
1973 18.3 6.1 0.33 0.0
1972 17.8 10.6 0.00 0.0
1971 17.8 8.9 1.65 0.0
1970 19.4 10.0 0.00 0.0
1969 14.4 3.9 0.00 0.0
1968 27.2 12.2 0.00 0.0
1967 22.8 15.6 0.00 0.0
1966 16.1 11.1 0.00 0.0
1965 22.2 10.0 0.05 0.0
1964 17.2 5.6 0.00 0.0
1963 18.3 15.0 0.13 0.0
1962 14.4 6.7 0.03 0.0
1961 22.8 3.9 0.00 0.0
1960 15.6 7.2 0.00 0.0
1959 18.3 1.1 0.00 0.0
1958 16.1 11.1 0.00 0.0
1957 24.4 8.3 1.78 0.0
1956 16.7 4.4 0.46 0.0
1955 31.1 13.3 0.58 0.0
1954 23.3 10.0 1.45 0.0
1953 22.2 8.9 3.02 0.0
1952 19.4 15.0 0.05 0.0
1951 13.3 8.3 0.23 0.0
1950 14.4 12.2 0.00 0.0
1949 21.7 14.4 0.23 0.0
1948 21.7 6.7 0.00 0.0
1947 15.6 10.0 0.00 0.0
1946 29.4 12.2 0.00 0.0
1945 11.7 7.2 0.00 0.0
1944 23.9 12.2 0.00 0.0
1943 20.6 1.1 0.00 0.0
1942 26.7 18.3 1.91 0.0
1941 17.8 1.7 0.00 0.0
1940 25.6 11.1 0.00 0.0
1939 20.6 0.6 0.00 0.0
1938 22.2 13.3 0.00 0.0
1937 12.8 7.8 0.66 0.0
1936 21.1 7.8 0.00 0.0
1935 27.8 14.4 0.76 0.0
1934 19.4 3.3 0.00 0.0
1933 21.1 10.6 0.41 0.0
1932 16.7 1.7 0.00 0.0
1931 16.1 2.8 0.00 0.0
1930 21.7 4.4 0.00 0.0
1929 10.6 -0.6 0.00 0.0
1928 15.0 2.2 0.00 0.0
1927 20.0 11.7 0.46 0.0
1926 23.9 8.9 0.03 0.0
1925 21.7 5.6 0.00 0.0
1924 21.1 6.1 0.00 0.0
1923 17.8 10.0 0.00 0.0
1922 17.8 7.8 0.00 0.0
1921 19.4 5.0 0.00 0.0
1920 12.8 0.6 0.00 0.0
1919 21.1 7.8 0.00 0.0
1918 15.0 6.7 0.51 0.0
1917 27.2 12.2 0.00 0.0
1916 14.4 2.8 0.03 0.0
1915 22.2 12.2 0.00 0.0
1914 23.3 8.3 0.00 0.0
1913 20.0 6.7 0.00 0.0
1912 19.4 12.8 0.00 0.0
1911 21.7 10.0 0.00 0.0
1910 16.1 2.2 0.00 0.0
1909 19.4 5.0 0.00 0.0
1908 18.3 7.8 0.00 0.0
1907 18.9 4.4 0.00 0.0
1906 28.3 12.8 0.00 0.0
1905 22.2 15.6 0.05 0.0
1904 16.7 6.1 0.00 0.0
1903 16.7 2.2 0.00 0.0
1902 24.4 10.0 0.00 0.0
1901 12.8 4.4 0.00 0.0
1900 17.2 2.2 0.00 0.0
1899 16.7 10.6 0.05 0.0
1898 18.9 11.7 0.00 0.0
1897 17.2 10.6 0.10 0.0
1896 15.0 11.7 0.71 0.0
1895 16.7 5.6 0.00 0.0
1894 21.1 12.2 0.99 0.0
1893 20.6 11.7 0.00 0.0
1892 18.3 7.2 0.41 0.0
1891 21.1 10.0 0.00 0.0
1890 25.0 8.9 0.00 0.0
What's the all-time high for Ottawa on 9/19?
For the date of Sep 19, the highest temperature ever reached in Ottawa history is 31.1 °C which happened in 1955.
Highest Temperatures in Ottawa on September 19
Rank Temperature Year
1 31.1 °C 1955
2 29.4 °C 1946
3 28.3 °C 1906
4 28.0 °C 1998
5 27.8 °C 1935
6 27.7 °C 2002
7 27.5 °C 2017
7 27.5 °C 1985
9 27.2 °C 1968
9 27.2 °C 1917
What's the all-time low for Ottawa on 9/19?
For the date of Sep 19, the lowest temperature ever reached in Ottawa history is -0.7 °C which happened in 2014.
Lowest Temperatures in Ottawa on September 19
Rank Temperature Year
1 -0.7 °C 2014
2 -0.6 °C 1929
3 0.6 °C 1939
3 0.6 °C 1920
5 0.8 °C 2008
6 1.1 °C 1943
6 1.1 °C 1959
8 1.3 °C 1995
9 1.5 °C 2020
10 1.7 °C 1932
10 1.7 °C 1941
Lowest High Temperatures in Ottawa on September 19
Rank Temperature Year
1 10.6 °C 1929
2 11.0 °C 1979
3 11.7 °C 1945
3 11.7 °C 1993
5 12.8 °C 1920
5 12.8 °C 1937
5 12.8 °C 1901
8 13.3 °C 1990
8 13.3 °C 1951
10 13.5 °C 2020
What's the most it has ever rained in Ottawa on 9/19?
For the date of Sep 19, the most precipitation ever recorded in Ottawa history is 3.02 cm which happened in 1953.
All-Time Most Precipitation in Ottawa on September 19
Rank Precipitation Year
1 3.02 cm 1953
2 1.91 cm 1942
3 1.78 cm 1957
4 1.65 cm 1971
5 1.45 cm 1954
6 0.99 cm 1894
7 0.98 cm 1987
8 0.94 cm 1997
8 0.94 cm 1976
10 0.90 cm 2001
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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