Riverside September 11 Weather Records

Daily averages and all-time records for weather in Riverside, California for the date of September 11.
September 11 All-Time Records
1893–2024
Highest temperature 108 °F 1955
Lowest temperature 45 °F 1952
Lowest daily high 69 °F 1976
Highest daily low 74 °F 2015
Most precipitation 0.66 inches 1976
September 11 Average Weather
1991–2020 1
Average high 93.0 °F
Average low 62.3 °F
Chance precipitation 1.7%
Riverside September 11 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 95 70 0.00 n/a
2022 93 72 0.00 n/a
2021 101 69 0.00 n/a
2020 95 61 0.00 0.0
2019 87 62 0.00 0.0
2018 90 61 0.00 0.0
2017 101 72 0.00 0.0
2016 93 62 0.00 0.0
2015 99 74 0.00 0.0
2014 99 66 0.00 0.0
2013 87 61 0.00 0.0
2012 87 70 0.00 0.0
2011 85 62 0.00 0.0
2010 91 57 0.00 n/a
2009 95 68 0.00 n/a
2008 84 61 0.00 n/a
2007 n/a n/a n/a n/a
2006 95 57 0.00 n/a
2005 78 57 0.00 n/a
2004 99 70 0.00 n/a
2003 96 58 0.00 n/a
2002 93 58 0.00 n/a
2001 87 56 0.00 n/a
2000 101 51 0.00 n/a
1999 88 55 0.00 n/a
1998 90 61 0.00 0.0
1997 97 64 0.00 0.0
1996 96 59 0.00 0.0
1995 98 58 0.00 0.0
1994 87 58 0.00 0.0
1993 99 66 0.00 0.0
1992 n/a n/a n/a n/a
1991 82 54 0.00 0.0
1990 107 60 0.00 0.0
1989 84 57 0.00 0.0
1988 84 57 0.00 0.0
1987 88 58 0.00 0.0
1986 85 53 0.00 0.0
1985 86 51 0.12 0.0
1984 91 69 0.03 0.0
1983 107 68 0.00 0.0
1982 84 64 0.00 0.0
1981 95 59 0.00 0.0
1980 87 62 0.00 0.0
1979 105 66 0.00 0.0
1978 85 63 0.00 0.0
1977 88 62 0.00 0.0
1976 69 63 0.66 0.0
1975 76 58 0.00 0.0
1974 92 61 0.00 0.0
1973 82 61 0.00 0.0
1972 80 58 0.00 0.0
1971 107 66 0.00 0.0
1970 98 62 0.00 0.0
1969 94 55 0.00 0.0
1968 94 59 0.00 0.0
1967 98 61 0.00 0.0
1966 n/a 57 0.00 0.0
1965 86 53 0.00 0.0
1964 95 56 0.00 0.0
1963 106 59 0.00 0.0
1962 86 55 0.00 0.0
1961 99 59 0.00 0.0
1960 105 68 0.00 0.0
1959 97 70 0.00 0.0
1958 93 53 0.00 0.0
1957 89 50 0.00 0.0
1956 97 60 0.00 0.0
1955 108 50 0.00 0.0
1954 90 54 0.00 0.0
1953 102 62 0.00 0.0
1952 77 45 0.00 0.0
1951 89 53 0.00 0.0
1950 80 46 0.00 0.0
1949 85 46 0.00 0.0
1948 107 60 0.00 0.0
1947 88 56 0.00 0.0
1946 103 54 0.00 0.0
1945 100 62 0.00 0.0
1944 88 61 0.00 0.0
1943 103 57 0.00 0.0
1942 82 56 0.00 0.0
1941 92 50 0.00 0.0
1940 96 55 0.00 0.0
1939 87 71 0.00 0.0
1938 95 52 0.00 0.0
1937 103 62 0.00 0.0
1936 97 60 0.00 0.0
1935 99 52 0.00 0.0
1934 84 61 0.00 0.0
1933 n/a 53 0.00 0.0
1932 90 58 0.00 0.0
1931 82 45 0.00 0.0
1930 81 55 0.00 0.0
1929 93 55 0.00 0.0
1928 80 50 0.00 0.0
1927 91 48 0.00 n/a
1926 94 57 0.00 n/a
1925 93 51 0.00 n/a
1924 101 48 0.00 n/a
1923 86 64 0.00 n/a
1922 102 55 0.00 n/a
1921 84 55 n/a n/a
1920 92 47 0.00 n/a
1919 100 46 n/a n/a
1918 105 58 0.00 n/a
1917 101 50 n/a n/a
1916 100 46 0.00 n/a
1915 88 56 0.00 n/a
1914 93 51 0.00 n/a
1913 103 56 n/a n/a
1912 99 48 0.00 n/a
1911 96 48 0.00 0.0
1910 95 53 0.00 n/a
1909 90 54 0.00 n/a
1908 98 64 0.00 n/a
1907 98 58 0.00 n/a
1906 80 55 0.00 n/a
1905 84 53 0.00 n/a
1904 91 60 0.00 n/a
1903 83 52 0.00 n/a
1902 90 57 0.00 n/a
1901 91 45 0.00 n/a
1900 n/a n/a n/a n/a
1899 n/a n/a n/a n/a
1898 n/a n/a n/a n/a
1897 n/a n/a n/a n/a
1896 n/a n/a n/a n/a
1895 100 57 n/a n/a
1894 102 53 n/a n/a
1893 80 47 n/a n/a
What's the all-time high for Riverside on 9/11?
For the date of Sep 11, the highest temperature ever reached in Riverside history is 108 °F which happened in 1955.
Highest Temperatures in Riverside on September 11
Rank Temperature Year
1 108 °F 1955
2 107 °F 1990
2 107 °F 1983
2 107 °F 1971
2 107 °F 1948
6 106 °F 1963
7 105 °F 1918
7 105 °F 1979
7 105 °F 1960
10 103 °F 1937
10 103 °F 1943
10 103 °F 1946
10 103 °F 1913
What's the all-time low for Riverside on 9/11?
For the date of Sep 11, the lowest temperature ever reached in Riverside history is 45 °F which has happened 3 times, most recently in 1952.
Lowest Temperatures in Riverside on September 11
Rank Temperature Year
1 45 °F 1901
1 45 °F 1931
1 45 °F 1952
4 46 °F 1916
4 46 °F 1919
4 46 °F 1949
4 46 °F 1950
8 47 °F 1920
8 47 °F 1893
10 48 °F 1912
10 48 °F 1911
10 48 °F 1927
10 48 °F 1924
Lowest High Temperatures in Riverside on September 11
Rank Temperature Year
1 69 °F 1976
2 76 °F 1975
3 77 °F 1952
4 78 °F 2005
5 80 °F 1928
5 80 °F 1950
5 80 °F 1906
5 80 °F 1893
5 80 °F 1972
10 81 °F 1930
What's the most it has ever rained in Riverside on 9/11?
For the date of Sep 11, the most precipitation ever recorded in Riverside history is 0.66 inches which happened in 1976.
All-Time Most Precipitation in Riverside on September 11
Rank Precipitation Year
1 0.66 inches 1976
2 0.12 inches 1985
3 0.03 inches 1984
Weather Station Details
Years Station Coordinates
1999–2024 Riverside Municipal Airport location
1893–1998 Riverside Fire Station location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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