Riverside September 23 Weather Records

Daily averages and all-time records for weather in Riverside, California for the date of September 23.
September 23 All-Time Records
1893–2024
Highest temperature 109 °F 1949
Lowest temperature 41 °F 1941
Lowest daily high 69 °F 1901
Highest daily low 70 °F 1991
Most precipitation 0.17 inches 1987
September 23 Average Weather
1991–2020 1
Average high 89.9 °F
Average low 59.8 °F
Chance precipitation 2.4%
Riverside September 23 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 85 60 0.00 n/a
2022 98 63 0.00 n/a
2021 93 67 0.00 n/a
2020 93 62 0.00 0.0
2019 91 62 0.00 0.0
2018 89 64 0.00 0.0
2017 77 53 0.00 0.0
2016 86 54 0.00 0.0
2015 95 67 0.00 0.0
2014 97 62 0.00 0.0
2013 95 57 0.00 0.0
2012 101 69 0.00 0.0
2011 91 62 0.00 0.0
2010 88 53 0.00 n/a
2009 102 61 0.00 n/a
2008 94 59 0.00 n/a
2007 n/a n/a n/a n/a
2006 89 50 0.00 n/a
2005 88 58 0.00 n/a
2004 95 54 0.00 n/a
2003 99 56 0.00 n/a
2002 107 59 0.00 n/a
2001 92 53 0.00 n/a
2000 78 58 0.00 n/a
1999 85 61 0.00 n/a
1998 76 60 0.00 0.0
1997 104 58 0.00 0.0
1996 84 61 0.00 0.0
1995 91 61 0.00 0.0
1994 89 62 0.00 0.0
1993 87 54 0.00 0.0
1992 n/a n/a n/a n/a
1991 100 70 0.00 0.0
1990 83 60 0.00 0.0
1989 95 59 0.00 0.0
1988 86 53 0.00 0.0
1987 92 67 0.17 0.0
1986 74 49 0.00 0.0
1985 95 56 0.00 0.0
1984 83 65 0.00 0.0
1983 87 67 0.00 0.0
1982 105 62 0.00 0.0
1981 82 62 0.00 0.0
1980 87 53 0.00 0.0
1979 96 59 0.00 0.0
1978 103 56 0.00 0.0
1977 80 55 0.00 0.0
1976 80 64 0.00 0.0
1975 101 58 0.00 0.0
1974 99 62 0.00 0.0
1973 76 57 0.00 0.0
1972 88 51 0.00 0.0
1971 94 51 0.00 0.0
1970 92 48 0.00 0.0
1969 86 54 0.00 0.0
1968 93 54 0.00 0.0
1967 88 57 0.00 0.0
1966 103 62 0.00 0.0
1965 90 53 0.00 0.0
1964 100 51 0.00 0.0
1963 88 57 0.00 0.0
1962 101 66 0.00 0.0
1961 78 51 0.00 0.0
1960 97 53 0.00 0.0
1959 79 55 0.00 0.0
1958 75 60 0.02 0.0
1957 98 52 0.00 0.0
1956 101 55 0.00 0.0
1955 n/a 58 0.00 0.0
1954 94 46 0.00 0.0
1953 93 44 0.00 0.0
1952 97 60 0.00 0.0
1951 84 59 0.00 0.0
1950 87 44 0.00 0.0
1949 109 57 0.00 0.0
1948 78 49 0.00 0.0
1947 103 57 0.00 0.0
1946 96 55 0.00 0.0
1945 80 47 0.00 0.0
1944 106 52 0.00 0.0
1943 99 57 0.00 0.0
1942 99 55 0.00 0.0
1941 83 41 0.00 0.0
1940 86 52 0.00 0.0
1939 105 67 0.02 0.0
1938 96 55 0.00 0.0
1937 78 55 0.00 0.0
1936 95 55 0.00 0.0
1935 92 51 0.00 0.0
1934 78 58 0.00 0.0
1933 91 47 0.00 0.0
1932 89 49 0.00 0.0
1931 86 50 0.00 0.0
1930 80 53 0.00 0.0
1929 82 56 0.00 0.0
1928 99 56 0.00 0.0
1927 89 52 0.00 n/a
1926 95 43 0.00 n/a
1925 104 47 0.00 n/a
1924 87 46 0.00 n/a
1923 71 49 0.00 n/a
1922 97 55 0.00 n/a
1921 97 48 n/a n/a
1920 79 56 0.00 n/a
1919 104 48 n/a n/a
1918 81 50 0.00 n/a
1917 82 47 n/a n/a
1916 79 48 0.00 n/a
1915 97 50 0.00 n/a
1914 101 54 0.00 n/a
1913 83 61 n/a n/a
1912 84 60 0.00 n/a
1911 95 50 0.00 0.0
1910 92 49 0.00 n/a
1909 83 53 0.00 n/a
1908 90 61 0.00 n/a
1907 91 55 0.00 n/a
1906 90 47 0.00 n/a
1905 96 45 0.08 n/a
1904 80 51 0.00 n/a
1903 89 49 0.00 n/a
1902 93 49 0.00 n/a
1901 69 54 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 93 49 n/a n/a
1894 94 50 n/a n/a
1893 87 47 n/a n/a
What's the all-time high for Riverside on 9/23?
For the date of Sep 23, the highest temperature ever reached in Riverside history is 109 °F which happened in 1949.
Highest Temperatures in Riverside on September 23
Rank Temperature Year
1 109 °F 1949
2 107 °F 2002
3 106 °F 1944
4 105 °F 1982
4 105 °F 1939
6 104 °F 1919
6 104 °F 1925
6 104 °F 1997
9 103 °F 1978
9 103 °F 1947
9 103 °F 1966
What's the all-time low for Riverside on 9/23?
For the date of Sep 23, the lowest temperature ever reached in Riverside history is 41 °F which happened in 1941.
Lowest Temperatures in Riverside on September 23
Rank Temperature Year
1 41 °F 1941
2 43 °F 1926
3 44 °F 1953
3 44 °F 1950
5 45 °F 1905
6 46 °F 1954
6 46 °F 1924
8 47 °F 1925
8 47 °F 1906
8 47 °F 1933
8 47 °F 1893
8 47 °F 1945
8 47 °F 1917
Lowest High Temperatures in Riverside on September 23
Rank Temperature Year
1 69 °F 1901
2 71 °F 1923
3 74 °F 1986
4 75 °F 1958
5 76 °F 1973
5 76 °F 1998
7 77 °F 2017
8 78 °F 1948
8 78 °F 1961
8 78 °F 1937
8 78 °F 1934
8 78 °F 2000
What's the most it has ever rained in Riverside on 9/23?
For the date of Sep 23, the most precipitation ever recorded in Riverside history is 0.17 inches which happened in 1987.
All-Time Most Precipitation in Riverside on September 23
Rank Precipitation Year
1 0.17 inches 1987
2 0.08 inches 1905
3 0.02 inches 1939
3 0.02 inches 1958
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.
© H Brothers Inc, 2021–2024
Contact us | Privacy policy