Riverside September 27 Weather Records

Daily averages and all-time records for weather in Riverside, California for the date of September 27.
September 27 All-Time Records
1893–2024
Highest temperature 113 °F 2010
Lowest temperature 40 °F 1948
Lowest daily high 68 °F 1903
Highest daily low 71 °F 2010
Most precipitation 0.55 inches 1919
September 27 Average Weather
1991–2020 1
Average high 89.0 °F
Average low 59.0 °F
Chance precipitation 2.7%
Riverside September 27 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 93 57 0.00 n/a
2022 103 67 0.00 n/a
2021 74 62 0.00 n/a
2020 91 62 0.00 0.0
2019 76 64 0.00 0.0
2018 102 62 0.00 0.0
2017 93 54 0.00 0.0
2016 98 69 0.00 0.0
2015 97 67 0.00 0.0
2014 79 59 0.00 0.0
2013 85 51 0.00 0.0
2012 93 61 0.00 0.0
2011 100 64 0.00 0.0
2010 113 71 0.00 n/a
2009 98 65 0.00 n/a
2008 97 65 0.00 n/a
2007 n/a n/a n/a n/a
2006 91 53 0.00 n/a
2005 90 57 0.00 n/a
2004 94 56 0.00 n/a
2003 92 57 0.00 n/a
2002 78 57 0.00 n/a
2001 96 60 0.00 n/a
2000 77 60 0.00 n/a
1999 81 58 0.00 n/a
1998 78 61 0.00 0.0
1997 93 62 0.00 0.0
1996 88 60 0.00 0.0
1995 84 59 0.00 0.0
1994 97 61 0.00 0.0
1993 106 56 0.00 0.0
1992 n/a n/a n/a n/a
1991 96 67 0.00 0.0
1990 83 56 0.00 0.0
1989 93 64 0.00 0.0
1988 88 54 0.00 0.0
1987 89 61 0.00 0.0
1986 74 46 0.00 0.0
1985 81 64 0.00 0.0
1984 95 61 0.00 0.0
1983 82 62 0.00 0.0
1982 76 57 0.00 0.0
1981 87 56 0.00 0.0
1980 93 57 0.00 0.0
1979 91 58 0.00 0.0
1978 102 64 0.00 0.0
1977 80 60 0.00 0.0
1976 81 52 0.00 0.0
1975 91 55 0.00 0.0
1974 76 60 0.00 0.0
1973 98 67 0.00 0.0
1972 82 53 0.00 0.0
1971 76 54 0.00 0.0
1970 99 52 0.00 0.0
1969 86 57 0.00 0.0
1968 94 55 0.00 0.0
1967 89 62 0.00 0.0
1966 84 58 0.00 0.0
1965 78 60 0.00 0.0
1964 84 58 0.00 0.0
1963 105 63 0.00 0.0
1962 78 60 0.00 0.0
1961 97 63 0.00 0.0
1960 98 55 0.00 0.0
1959 78 57 0.00 0.0
1958 97 57 0.00 0.0
1957 92 51 0.00 0.0
1956 100 58 0.00 0.0
1955 82 53 0.00 0.0
1954 97 55 0.00 0.0
1953 74 53 0.00 0.0
1952 78 58 0.00 0.0
1951 85 59 0.00 0.0
1950 89 47 0.00 0.0
1949 84 43 0.00 0.0
1948 98 40 0.00 0.0
1947 100 54 0.00 0.0
1946 101 58 0.00 0.0
1945 86 46 0.00 0.0
1944 87 54 0.00 0.0
1943 84 53 0.00 0.0
1942 86 58 0.00 0.0
1941 81 45 0.00 0.0
1940 99 61 0.00 0.0
1939 81 54 0.00 0.0
1938 97 60 0.00 0.0
1937 89 60 0.02 0.0
1936 86 48 0.00 0.0
1935 85 50 0.00 0.0
1934 87 43 0.00 0.0
1933 85 49 0.00 0.0
1932 81 53 0.00 0.0
1931 91 65 0.00 0.0
1930 85 45 0.00 0.0
1929 81 49 0.00 0.0
1928 85 50 0.00 0.0
1927 84 45 0.00 n/a
1926 95 45 0.00 n/a
1925 85 53 0.00 n/a
1924 101 45 0.00 n/a
1923 88 42 0.00 n/a
1922 85 53 0.00 n/a
1921 111 57 n/a n/a
1920 99 48 0.00 n/a
1919 n/a 60 0.55 n/a
1918 74 61 0.09 n/a
1917 104 47 n/a n/a
1916 98 42 0.00 n/a
1915 88 41 0.00 n/a
1914 91 70 0.00 n/a
1913 95 42 n/a n/a
1912 95 48 0.00 n/a
1911 88 46 0.00 0.0
1910 87 50 0.00 n/a
1909 83 51 0.00 n/a
1908 84 49 0.00 n/a
1907 92 46 0.00 n/a
1906 97 50 0.00 n/a
1905 90 50 0.00 n/a
1904 81 42 0.00 n/a
1903 68 61 0.25 n/a
1902 90 45 0.00 n/a
1901 81 48 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 89 51 n/a n/a
1894 79 44 n/a n/a
1893 76 54 n/a n/a
What's the all-time high for Riverside on 9/27?
For the date of Sep 27, the highest temperature ever reached in Riverside history is 113 °F which happened in 2010.
Highest Temperatures in Riverside on September 27
Rank Temperature Year
1 113 °F 2010
2 111 °F 1921
3 106 °F 1993
4 105 °F 1963
5 104 °F 1917
6 103 °F 2022
7 102 °F 1978
7 102 °F 2018
9 101 °F 1924
9 101 °F 1946
What's the all-time low for Riverside on 9/27?
For the date of Sep 27, the lowest temperature ever reached in Riverside history is 40 °F which happened in 1948.
Lowest Temperatures in Riverside on September 27
Rank Temperature Year
1 40 °F 1948
2 41 °F 1915
3 42 °F 1916
3 42 °F 1904
3 42 °F 1913
3 42 °F 1923
7 43 °F 1934
7 43 °F 1949
9 44 °F 1894
10 45 °F 1902
10 45 °F 1941
10 45 °F 1924
10 45 °F 1927
10 45 °F 1930
10 45 °F 1926
Lowest High Temperatures in Riverside on September 27
Rank Temperature Year
1 68 °F 1903
2 74 °F 1918
2 74 °F 1953
2 74 °F 2021
2 74 °F 1986
6 76 °F 1971
6 76 °F 2019
6 76 °F 1893
6 76 °F 1974
6 76 °F 1982
What's the most it has ever rained in Riverside on 9/27?
For the date of Sep 27, the most precipitation ever recorded in Riverside history is 0.55 inches which happened in 1919.
All-Time Most Precipitation in Riverside on September 27
Rank Precipitation Year
1 0.55 inches 1919
2 0.25 inches 1903
3 0.09 inches 1918
4 0.02 inches 1937
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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