San Rafael September 20 Weather Records

Daily averages and all-time records for weather in San Rafael, California for the date of September 20.
September 20 All-Time Records
1894–2024
Highest temperature 97 °F 1967
Lowest temperature 35 °F 1894
Lowest daily high 65 °F 1986
Highest daily low 63 °F 2000
Most precipitation 0.87 inches 1977
Most snow none -
September 20 Average Weather
1991–2020 1
Average high 78.5 °F
Average low 53.9 °F
Chance precipitation 4.3%
Chance snow 0%
San Rafael September 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 77 56 0.00 n/a
2022 77 53 0.00 n/a
2021 95 56 0.00 n/a
2020 n/a n/a n/a n/a
2019 n/a n/a n/a n/a
2018 90 53 0.00 n/a
2017 72 57 0.00 n/a
2016 n/a n/a 0.00 n/a
2015 95 59 0.00 n/a
2014 83 61 0.00 n/a
2013 n/a n/a n/a 0.0
2012 78 48 0.00 0.0
2011 n/a n/a n/a n/a
2010 77 52 0.00 0.0
2009 88 55 0.00 0.0
2008 72 57 0.00 0.0
2007 68 50 0.01 0.0
2006 84 50 0.00 0.0
2005 88 48 0.00 0.0
2004 n/a n/a n/a 0.0
2003 95 55 0.00 0.0
2002 91 57 0.00 0.0
2001 72 52 0.00 0.0
2000 86 63 0.00 0.0
1999 77 53 0.00 0.0
1998 82 54 0.00 0.0
1997 88 57 0.00 0.0
1996 89 55 0.00 0.0
1995 82 56 0.00 0.0
1994 79 55 0.00 0.0
1993 80 54 0.00 0.0
1992 79 48 0.00 0.0
1991 72 55 0.00 0.0
1990 96 55 0.00 0.0
1989 76 52 0.00 0.0
1988 77 51 0.00 0.0
1987 83 47 0.00 0.0
1986 65 49 0.00 0.0
1985 74 49 0.00 0.0
1984 90 60 0.00 0.0
1983 n/a n/a n/a n/a
1982 n/a n/a n/a n/a
1981 n/a n/a n/a n/a
1980 78 52 0.00 0.0
1979 85 54 0.00 0.0
1978 89 50 0.00 0.0
1977 76 53 0.87 0.0
1976 74 57 0.00 0.0
1975 70 50 0.00 0.0
1974 78 45 0.00 0.0
1973 76 62 0.00 0.0
1972 82 51 0.00 0.0
1971 87 50 0.00 0.0
1970 76 52 0.00 0.0
1969 70 57 0.00 0.0
1968 74 51 0.00 0.0
1967 97 63 0.00 0.0
1966 81 61 0.01 0.0
1965 80 46 0.00 0.0
1964 97 58 0.00 0.0
1963 80 56 0.00 0.0
1962 78 50 0.00 0.0
1961 86 51 0.00 0.0
1960 77 46 0.00 0.0
1959 83 55 0.00 0.0
1958 91 55 0.00 0.0
1957 87 51 0.00 0.0
1956 72 52 0.00 0.0
1955 85 45 0.00 0.0
1954 88 51 0.00 0.0
1953 n/a n/a 0.00 0.0
1952 83 51 0.00 0.0
1951 82 55 0.00 0.0
1950 91 52 0.00 0.0
1949 94 52 0.00 0.0
1948 77 50 0.00 0.0
1947 94 49 0.00 0.0
1946 n/a n/a n/a n/a
1945 n/a n/a n/a n/a
1944 n/a n/a n/a n/a
1943 n/a n/a n/a n/a
1942 n/a n/a n/a n/a
1941 n/a n/a n/a n/a
1940 n/a n/a n/a n/a
1939 n/a n/a n/a n/a
1938 n/a n/a n/a n/a
1937 n/a n/a n/a n/a
1936 n/a n/a n/a n/a
1935 n/a n/a n/a n/a
1934 n/a n/a n/a n/a
1933 n/a n/a n/a n/a
1932 n/a n/a n/a n/a
1931 n/a n/a n/a n/a
1930 n/a n/a n/a n/a
1929 n/a n/a n/a n/a
1928 n/a n/a n/a n/a
1927 n/a n/a n/a n/a
1926 n/a n/a n/a n/a
1925 n/a n/a n/a n/a
1924 n/a n/a n/a n/a
1923 n/a n/a n/a n/a
1922 n/a n/a n/a n/a
1921 n/a n/a n/a n/a
1920 n/a n/a n/a n/a
1919 n/a n/a n/a n/a
1918 n/a n/a n/a n/a
1917 n/a n/a n/a n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 n/a n/a n/a n/a
1913 n/a n/a n/a n/a
1912 n/a n/a n/a n/a
1911 n/a n/a n/a n/a
1910 n/a n/a n/a n/a
1909 n/a n/a n/a n/a
1908 n/a n/a n/a n/a
1907 n/a n/a n/a n/a
1906 n/a n/a n/a n/a
1905 n/a n/a n/a n/a
1904 71 62 0.00 0.0
1903 72 45 0.00 0.0
1902 n/a n/a n/a n/a
1901 n/a n/a n/a 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 68 44 0.00 n/a
1894 85 35 0.00 n/a
What's the all-time high for San Rafael on 9/20?
For the date of Sep 20, the highest temperature ever reached in San Rafael history is 97 °F which has happened 2 times, most recently in 1967.
Highest Temperatures in San Rafael on September 20
Rank Temperature Year
1 97 °F 1967
1 97 °F 1964
3 96 °F 1990
4 95 °F 2015
4 95 °F 2021
4 95 °F 2003
7 94 °F 1949
7 94 °F 1947
9 91 °F 1958
9 91 °F 1950
9 91 °F 2002
What's the all-time low for San Rafael on 9/20?
For the date of Sep 20, the lowest temperature ever reached in San Rafael history is 35 °F which happened in 1894.
Lowest Temperatures in San Rafael on September 20
Rank Temperature Year
1 35 °F 1894
2 44 °F 1895
3 45 °F 1974
3 45 °F 1955
3 45 °F 1903
6 46 °F 1960
6 46 °F 1965
8 47 °F 1987
9 48 °F 2005
9 48 °F 2012
9 48 °F 1992
Lowest High Temperatures in San Rafael on September 20
Rank Temperature Year
1 65 °F 1986
2 68 °F 1895
2 68 °F 2007
4 70 °F 1969
4 70 °F 1975
6 71 °F 1904
7 72 °F 1991
7 72 °F 1956
7 72 °F 2001
7 72 °F 1903
7 72 °F 2008
7 72 °F 2017
What's the most it has ever rained in San Rafael on 9/20?
For the date of Sep 20, the most precipitation ever recorded in San Rafael history is 0.87 inches which happened in 1977.
All-Time Most Precipitation in San Rafael on September 20
Rank Precipitation Year
1 0.87 inches 1977
2 0.01 inches 2007
2 0.01 inches 1966
Weather Station Details
Years Station Coordinates
1894–2024 San Rafael Civic Center location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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