Riverside September 26 Weather Records

Daily averages and all-time records for weather in Riverside, California for the date of September 26.
September 26 All-Time Records
1893–2024
Highest temperature 110 °F 2010
Lowest temperature 39 °F 1948
Lowest daily high 72 °F 1939
Highest daily low 70 °F 2015
Most precipitation 0.32 inches 1982
September 26 Average Weather
1991–2020 1
Average high 89.3 °F
Average low 59.2 °F
Chance precipitation 2.4%
Riverside September 26 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 90 56 0.00 n/a
2022 99 68 0.00 n/a
2021 78 60 0.00 n/a
2020 90 60 0.00 0.0
2019 78 65 0.00 0.0
2018 94 59 0.00 0.0
2017 91 56 0.00 0.0
2016 102 65 0.00 0.0
2015 99 70 0.00 0.0
2014 88 65 0.00 0.0
2013 75 57 0.00 0.0
2012 87 59 0.00 0.0
2011 80 59 0.00 0.0
2010 110 65 0.00 n/a
2009 106 65 0.00 n/a
2008 98 63 0.00 n/a
2007 n/a n/a n/a n/a
2006 86 56 0.00 n/a
2005 92 57 0.00 n/a
2004 97 56 0.00 n/a
2003 90 57 0.00 n/a
2002 87 60 0.00 n/a
2001 99 58 0.00 n/a
2000 89 56 0.00 n/a
1999 85 56 0.00 n/a
1998 74 56 0.00 0.0
1997 82 68 0.06 0.0
1996 76 n/a 0.00 0.0
1995 84 62 0.00 0.0
1994 95 62 0.00 0.0
1993 104 55 0.00 0.0
1992 n/a n/a n/a n/a
1991 97 66 0.00 0.0
1990 83 57 0.00 0.0
1989 91 63 0.00 0.0
1988 86 55 0.00 0.0
1987 87 67 0.00 0.0
1986 76 45 0.00 0.0
1985 84 67 0.00 0.0
1984 97 65 0.00 0.0
1983 83 64 0.00 0.0
1982 81 67 0.32 0.0
1981 86 54 0.00 0.0
1980 95 55 0.00 0.0
1979 95 59 0.00 0.0
1978 104 63 0.00 0.0
1977 80 63 0.00 0.0
1976 74 54 0.00 0.0
1975 95 56 0.00 0.0
1974 81 62 0.00 0.0
1973 92 52 0.00 0.0
1972 81 53 0.00 0.0
1971 76 56 0.00 0.0
1970 96 52 0.00 0.0
1969 84 57 0.00 0.0
1968 98 55 0.00 0.0
1967 86 61 0.00 0.0
1966 86 55 0.00 0.0
1965 78 58 0.00 0.0
1964 80 60 0.00 0.0
1963 105 68 0.00 0.0
1962 83 60 0.00 0.0
1961 97 53 0.00 0.0
1960 99 56 0.00 0.0
1959 85 55 0.00 0.0
1958 98 52 0.00 0.0
1957 89 55 0.00 0.0
1956 101 59 0.00 0.0
1955 81 54 0.00 0.0
1954 99 56 0.00 0.0
1953 77 46 0.00 0.0
1952 80 60 0.20 0.0
1951 85 51 0.00 0.0
1950 88 45 0.00 0.0
1949 83 50 0.00 0.0
1948 88 39 0.00 0.0
1947 102 54 0.00 0.0
1946 97 55 0.00 0.0
1945 89 46 0.00 0.0
1944 94 54 0.00 0.0
1943 80 61 0.00 0.0
1942 93 52 0.00 0.0
1941 82 45 0.00 0.0
1940 102 56 0.00 0.0
1939 72 61 0.00 0.0
1938 94 52 0.00 0.0
1937 105 51 0.00 0.0
1936 92 60 0.00 0.0
1935 84 54 0.00 0.0
1934 80 40 0.00 0.0
1933 72 46 0.00 0.0
1932 86 55 0.00 0.0
1931 81 64 0.14 0.0
1930 80 51 0.00 0.0
1929 83 51 0.00 0.0
1928 78 56 0.00 0.0
1927 87 45 0.00 n/a
1926 89 45 0.00 n/a
1925 88 47 0.00 n/a
1924 96 46 0.00 n/a
1923 78 61 0.00 n/a
1922 98 55 0.00 n/a
1921 110 56 n/a n/a
1920 93 44 0.00 n/a
1919 88 59 n/a n/a
1918 95 47 0.13 n/a
1917 100 45 n/a n/a
1916 81 54 0.00 n/a
1915 82 48 0.00 n/a
1914 94 68 0.00 n/a
1913 94 44 n/a n/a
1912 96 46 0.00 n/a
1911 79 43 0.00 0.0
1910 87 52 0.00 n/a
1909 81 48 0.00 n/a
1908 85 51 0.00 n/a
1907 86 44 0.00 n/a
1906 93 49 0.00 n/a
1905 99 51 0.00 n/a
1904 72 49 0.00 n/a
1903 87 54 0.00 n/a
1902 93 49 0.00 n/a
1901 n/a 43 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 48 n/a n/a
1894 91 48 n/a n/a
1893 91 50 n/a n/a
What's the all-time high for Riverside on 9/26?
For the date of Sep 26, the highest temperature ever reached in Riverside history is 110 °F which has happened 2 times, most recently in 2010.
Highest Temperatures in Riverside on September 26
Rank Temperature Year
1 110 °F 1921
1 110 °F 2010
3 106 °F 2009
4 105 °F 1963
4 105 °F 1937
6 104 °F 1978
6 104 °F 1993
8 102 °F 2016
8 102 °F 1947
8 102 °F 1940
What's the all-time low for Riverside on 9/26?
For the date of Sep 26, the lowest temperature ever reached in Riverside history is 39 °F which happened in 1948.
Lowest Temperatures in Riverside on September 26
Rank Temperature Year
1 39 °F 1948
2 40 °F 1934
3 43 °F 1911
3 43 °F 1901
5 44 °F 1913
5 44 °F 1920
5 44 °F 1907
8 45 °F 1927
8 45 °F 1950
8 45 °F 1926
8 45 °F 1986
8 45 °F 1941
8 45 °F 1917
Lowest High Temperatures in Riverside on September 26
Rank Temperature Year
1 72 °F 1904
1 72 °F 1939
1 72 °F 1933
4 74 °F 1998
4 74 °F 1976
6 75 °F 2013
7 76 °F 1996
7 76 °F 1971
7 76 °F 1986
10 77 °F 1953
What's the most it has ever rained in Riverside on 9/26?
For the date of Sep 26, the most precipitation ever recorded in Riverside history is 0.32 inches which happened in 1982.
All-Time Most Precipitation in Riverside on September 26
Rank Precipitation Year
1 0.32 inches 1982
2 0.20 inches 1952
3 0.14 inches 1931
4 0.13 inches 1918
5 0.06 inches 1997
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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