Riverside September 1 Weather Records

Daily averages and all-time records for weather in Riverside, California for the date of September 1.
September 1 All-Time Records
1893–2024
Highest temperature 112 °F 2017
Lowest temperature 46 °F 1941
Lowest daily high 78 °F 2000
Highest daily low 76 °F 2017
Most precipitation 0.81 inches 1893
September 1 Average Weather
1991–2020 1
Average high 94.6 °F
Average low 63.7 °F
Chance precipitation 1.5%
Riverside September 1 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 92 67 0.28 n/a
2022 109 74 0.00 n/a
2021 80 63 0.00 n/a
2020 89 61 0.00 0.0
2019 100 68 0.00 0.0
2018 86 62 0.00 0.0
2017 112 76 0.00 0.0
2016 95 66 0.00 0.0
2015 89 65 0.00 0.0
2014 96 64 0.00 0.0
2013 96 74 0.00 0.0
2012 97 64 0.00 0.0
2011 92 59 0.00 0.0
2010 99 60 0.00 n/a
2009 102 75 0.00 n/a
2008 90 64 0.00 n/a
2007 n/a n/a n/a n/a
2006 100 61 0.00 n/a
2005 91 55 0.00 n/a
2004 105 62 0.00 n/a
2003 93 64 0.00 n/a
2002 110 68 0.00 n/a
2001 95 60 0.00 n/a
2000 78 57 0.00 n/a
1999 80 58 0.00 n/a
1998 105 72 0.00 0.0
1997 100 65 0.00 0.0
1996 98 64 0.00 0.0
1995 103 67 0.00 0.0
1994 89 66 0.00 0.0
1993 95 66 0.00 0.0
1992 n/a n/a n/a n/a
1991 100 63 0.00 0.0
1990 94 61 0.00 0.0
1989 97 50 0.00 0.0
1988 100 67 0.00 0.0
1987 107 70 0.00 0.0
1986 89 57 0.00 0.0
1985 98 66 0.00 0.0
1984 93 62 0.00 0.0
1983 96 64 0.00 0.0
1982 106 62 0.00 0.0
1981 93 59 0.00 0.0
1980 87 62 0.00 0.0
1979 89 62 0.00 0.0
1978 95 61 0.00 0.0
1977 88 53 0.00 0.0
1976 95 61 0.00 0.0
1975 91 54 0.00 0.0
1974 100 55 0.00 0.0
1973 82 53 0.00 0.0
1972 93 60 0.00 0.0
1971 90 56 0.00 0.0
1970 95 53 0.00 0.0
1969 101 60 0.00 0.0
1968 92 60 0.00 0.0
1967 n/a 75 0.00 0.0
1966 83 50 0.00 0.0
1965 90 54 0.00 0.0
1964 82 57 0.00 0.0
1963 89 57 0.00 0.0
1962 102 55 0.00 0.0
1961 90 55 0.00 0.0
1960 91 62 0.00 0.0
1959 96 52 0.00 0.0
1958 95 59 0.00 0.0
1957 93 54 0.00 0.0
1956 91 57 0.00 0.0
1955 109 71 0.00 0.0
1954 99 72 0.00 0.0
1953 85 50 0.00 0.0
1952 101 60 0.00 0.0
1951 83 48 0.00 0.0
1950 97 57 0.00 0.0
1949 99 52 0.00 0.0
1948 105 58 0.00 0.0
1947 107 n/a 0.00 0.0
1946 88 51 0.00 0.0
1945 100 66 0.00 0.0
1944 81 55 0.00 0.0
1943 92 54 0.00 0.0
1942 80 58 0.00 0.0
1941 89 46 0.00 0.0
1940 99 60 0.00 0.0
1939 103 56 0.00 0.0
1938 96 60 0.00 0.0
1937 91 54 0.00 0.0
1936 100 56 0.00 0.0
1935 85 62 0.00 0.0
1934 97 62 0.00 0.0
1933 88 52 0.00 0.0
1932 90 51 0.00 0.0
1931 88 65 0.00 0.0
1930 93 52 0.00 0.0
1929 97 68 0.00 0.0
1928 102 47 0.00 0.0
1927 95 51 0.00 n/a
1926 94 54 0.00 n/a
1925 95 52 0.00 n/a
1924 95 57 0.00 n/a
1923 98 53 0.00 n/a
1922 101 56 0.00 n/a
1921 97 54 0.71 n/a
1920 98 55 0.00 n/a
1919 90 57 n/a n/a
1918 98 55 0.00 n/a
1917 94 46 n/a n/a
1916 98 48 0.00 n/a
1915 94 59 0.00 n/a
1914 79 61 0.00 n/a
1913 86 65 0.00 n/a
1912 84 56 0.00 n/a
1911 102 52 0.00 0.0
1910 104 60 0.00 n/a
1909 87 63 0.00 n/a
1908 92 49 0.00 n/a
1907 85 49 0.00 n/a
1906 84 53 0.00 n/a
1905 96 57 0.00 n/a
1904 97 50 0.00 n/a
1903 96 56 0.00 n/a
1902 102 50 0.00 n/a
1901 91 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 52 n/a n/a
1894 85 63 n/a n/a
1893 97 50 0.81 n/a
What's the all-time high for Riverside on 9/1?
For the date of Sep 1, the highest temperature ever reached in Riverside history is 112 °F which happened in 2017.
Highest Temperatures in Riverside on September 1
Rank Temperature Year
1 112 °F 2017
2 110 °F 2002
3 109 °F 1955
3 109 °F 2022
5 107 °F 1987
5 107 °F 1947
7 106 °F 1982
8 105 °F 2004
8 105 °F 1998
8 105 °F 1948
What's the all-time low for Riverside on 9/1?
For the date of Sep 1, the lowest temperature ever reached in Riverside history is 46 °F which has happened 2 times, most recently in 1941.
Lowest Temperatures in Riverside on September 1
Rank Temperature Year
1 46 °F 1917
1 46 °F 1941
3 47 °F 1928
4 48 °F 1916
4 48 °F 1901
4 48 °F 1951
7 49 °F 1907
7 49 °F 1908
9 50 °F 1902
9 50 °F 1893
9 50 °F 1904
9 50 °F 1953
9 50 °F 1966
9 50 °F 1989
Lowest High Temperatures in Riverside on September 1
Rank Temperature Year
1 78 °F 2000
2 79 °F 1914
3 80 °F 2021
3 80 °F 1999
3 80 °F 1942
6 81 °F 1944
7 82 °F 1973
7 82 °F 1964
9 83 °F 1966
9 83 °F 1951
What's the most it has ever rained in Riverside on 9/1?
For the date of Sep 1, the most precipitation ever recorded in Riverside history is 0.81 inches which happened in 1893.
All-Time Most Precipitation in Riverside on September 1
Rank Precipitation Year
1 0.81 inches 1893
2 0.71 inches 1921
3 0.28 inches 2023
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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