San Jacinto September 20 Weather Records

Daily averages and all-time records for weather in San Jacinto, California for the date of September 20.
September 20 All-Time Records
1893–2024
Highest temperature 109 °F 1928
Lowest temperature 39 °F 1954
Lowest daily high 66 °F 1988
Highest daily low 73 °F 2012
Most precipitation 0.51 inches 1952
Most snow none -
September 20 Average Weather
1991–2020 1
Average high 92.1 °F
Average low 58.7 °F
Chance precipitation 3.0%
Chance snow 0%
San Jacinto September 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 77 60 0.00 n/a
2022 88 54 0.00 n/a
2021 96 56 0.00 n/a
2020 95 63 0.00 n/a
2019 87 60 0.00 n/a
2018 96 60 0.00 n/a
2017 78 62 0.00 n/a
2016 75 69 0.12 n/a
2015 101 66 0.00 n/a
2014 86 61 0.00 n/a
2013 81 61 0.00 n/a
2012 102 73 0.00 n/a
2011 98 59 0.00 n/a
2010 94 54 0.00 0.0
2009 96 61 0.00 0.0
2008 83 58 0.00 0.0
2007 70 55 0.00 0.0
2006 84 54 0.00 0.0
2005 n/a 67 0.40 0.0
2004 75 54 0.00 0.0
2003 n/a n/a 0.00 0.0
2002 n/a n/a 0.00 0.0
2001 93 57 0.00 0.0
2000 98 57 0.00 0.0
1999 95 48 0.00 0.0
1998 72 52 0.00 0.0
1997 87 54 0.00 0.0
1996 96 54 0.00 0.0
1995 96 58 0.00 0.0
1994 91 51 0.00 0.0
1993 76 55 0.00 0.0
1992 n/a n/a 0.00 0.0
1991 94 59 0.00 0.0
1990 82 56 0.00 0.0
1989 82 48 0.00 0.0
1988 66 49 0.01 0.0
1987 101 55 0.00 0.0
1986 86 49 0.00 0.0
1985 n/a n/a 0.00 0.0
1984 100 62 0.00 0.0
1983 90 68 0.00 0.0
1982 93 52 0.00 0.0
1981 104 62 0.00 0.0
1980 89 50 0.00 0.0
1979 n/a n/a n/a n/a
1978 n/a n/a n/a n/a
1977 83 48 0.00 0.0
1976 71 60 0.00 0.0
1975 96 57 0.00 0.0
1974 102 53 0.00 0.0
1973 89 46 0.00 0.0
1972 98 44 0.00 0.0
1971 88 49 0.00 0.0
1970 90 45 0.00 0.0
1969 80 54 0.00 0.0
1968 79 55 0.00 0.0
1967 93 54 0.00 0.0
1966 92 53 0.00 0.0
1965 87 43 0.00 0.0
1964 98 44 0.00 0.0
1963 81 55 0.00 0.0
1962 101 53 0.00 0.0
1961 81 59 0.00 0.0
1960 94 53 0.00 0.0
1959 85 61 0.00 0.0
1958 101 53 0.00 0.0
1957 83 58 0.00 0.0
1956 86 52 0.00 0.0
1955 90 43 0.00 0.0
1954 102 39 0.00 0.0
1953 94 43 0.00 0.0
1952 74 62 0.51 0.0
1951 100 57 0.00 0.0
1950 94 43 0.00 0.0
1949 97 59 0.00 0.0
1948 n/a n/a n/a n/a
1947 92 55 0.00 n/a
1946 100 51 0.00 0.0
1945 76 57 0.00 0.0
1944 80 46 0.00 0.0
1943 104 58 0.00 0.0
1942 94 47 0.00 n/a
1941 78 49 0.00 n/a
1940 89 42 0.00 n/a
1939 99 62 0.00 n/a
1938 105 n/a 0.00 n/a
1937 88 52 0.00 n/a
1936 95 58 0.00 n/a
1935 85 59 0.04 0.0
1934 94 50 0.00 n/a
1933 94 56 0.00 n/a
1932 79 54 0.00 n/a
1931 91 52 0.00 n/a
1930 84 52 0.00 n/a
1929 85 62 0.00 n/a
1928 109 50 0.00 n/a
1927 100 58 0.00 n/a
1926 100 47 0.00 n/a
1925 85 39 0.00 n/a
1924 82 54 n/a n/a
1923 94 51 n/a n/a
1922 99 61 n/a n/a
1921 92 48 n/a n/a
1920 90 53 n/a n/a
1919 95 52 0.00 n/a
1918 95 47 n/a n/a
1917 94 60 n/a n/a
1916 96 54 n/a n/a
1915 90 55 0.00 n/a
1914 91 60 0.00 n/a
1913 97 62 0.00 n/a
1912 100 61 0.00 n/a
1911 91 50 0.00 0.0
1910 98 49 0.00 n/a
1909 92 50 0.00 n/a
1908 84 45 0.00 n/a
1907 90 42 0.00 n/a
1906 99 51 0.00 n/a
1905 98 51 n/a n/a
1904 70 48 0.00 n/a
1903 88 48 0.00 n/a
1902 85 55 0.00 n/a
1901 92 46 0.00 n/a
1900 90 50 0.00 n/a
1899 109 58 0.00 n/a
1898 91 52 n/a n/a
1897 91 63 0.00 n/a
1896 76 42 0.00 n/a
1895 83 41 n/a n/a
1894 99 52 0.00 n/a
1893 85 40 0.00 n/a
What's the all-time high for San Jacinto on 9/20?
For the date of Sep 20, the highest temperature ever reached in San Jacinto history is 109 °F which has happened 2 times, most recently in 1928.
Highest Temperatures in San Jacinto on September 20
Rank Temperature Year
1 109 °F 1928
1 109 °F 1899
3 105 °F 1938
4 104 °F 1943
4 104 °F 1981
6 102 °F 2012
6 102 °F 1954
6 102 °F 1974
9 101 °F 1958
9 101 °F 1987
9 101 °F 1962
9 101 °F 2015
What's the all-time low for San Jacinto on 9/20?
For the date of Sep 20, the lowest temperature ever reached in San Jacinto history is 39 °F which has happened 2 times, most recently in 1954.
Lowest Temperatures in San Jacinto on September 20
Rank Temperature Year
1 39 °F 1925
1 39 °F 1954
3 40 °F 1893
4 41 °F 1895
5 42 °F 1907
5 42 °F 1940
5 42 °F 1896
8 43 °F 1965
8 43 °F 1955
8 43 °F 1953
8 43 °F 1950
Lowest High Temperatures in San Jacinto on September 20
Rank Temperature Year
1 66 °F 1988
2 70 °F 1904
2 70 °F 2007
4 71 °F 1976
5 72 °F 1998
6 74 °F 1952
7 75 °F 2016
7 75 °F 2004
9 76 °F 1896
9 76 °F 1945
9 76 °F 1993
What's the most it has ever rained in San Jacinto on 9/20?
For the date of Sep 20, the most precipitation ever recorded in San Jacinto history is 0.51 inches which happened in 1952.
All-Time Most Precipitation in San Jacinto on September 20
Rank Precipitation Year
1 0.51 inches 1952
2 0.40 inches 2005
3 0.12 inches 2016
4 0.04 inches 1935
5 0.01 inches 1988
Weather Station Details
Years Station Coordinates
1978–2024 San Jacinto location
1893–1978 San Jacinto location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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