San Rafael September 21 Weather Records

Daily averages and all-time records for weather in San Rafael, California for the date of September 21.
September 21 All-Time Records
1894–2024
Highest temperature 100 °F 1947
Lowest temperature 44 °F 1988
Lowest daily high 66 °F 2000
Highest daily low 62 °F 2014
Most precipitation 0.59 inches 2013
Most snow none -
September 21 Average Weather
1991–2020 1
Average high 78.3 °F
Average low 53.8 °F
Chance precipitation 4.6%
Chance snow 0%
San Rafael September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 81 47 0.00 n/a
2022 82 58 0.02 n/a
2021 n/a 59 0.00 n/a
2020 n/a n/a n/a n/a
2019 n/a n/a n/a n/a
2018 80 54 0.00 n/a
2017 69 54 0.00 n/a
2016 n/a n/a n/a n/a
2015 98 61 0.00 n/a
2014 67 62 0.00 n/a
2013 69 59 0.59 n/a
2012 80 49 0.00 0.0
2011 n/a n/a n/a n/a
2010 68 54 0.00 0.0
2009 90 55 0.00 0.0
2008 75 54 0.00 0.0
2007 75 57 0.00 0.0
2006 84 57 0.00 0.0
2005 70 55 0.00 0.0
2004 n/a n/a n/a 0.0
2003 99 57 0.00 0.0
2002 84 53 0.00 0.0
2001 72 50 0.00 0.0
2000 66 59 0.00 0.0
1999 84 51 0.00 0.0
1998 66 54 0.00 0.0
1997 87 53 0.00 0.0
1996 89 55 0.00 0.0
1995 75 54 0.00 0.0
1994 79 54 0.00 0.0
1993 72 52 0.00 0.0
1992 77 47 0.00 0.0
1991 78 54 0.00 0.0
1990 78 58 0.00 0.0
1989 83 51 0.00 0.0
1988 75 44 0.00 0.0
1987 90 48 0.00 0.0
1986 71 50 0.00 0.0
1985 81 50 0.00 0.0
1984 72 55 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 84 50 0.00 0.0
1979 84 53 0.00 0.0
1978 83 52 0.00 0.0
1977 80 52 0.00 0.0
1976 79 53 0.00 0.0
1975 73 52 0.00 0.0
1974 80 49 0.00 0.0
1973 79 54 0.00 0.0
1972 87 51 0.00 0.0
1971 77 54 0.00 0.0
1970 84 n/a 0.00 0.0
1969 81 52 0.00 0.0
1968 n/a n/a 0.00 0.0
1967 97 60 0.00 0.0
1966 82 56 0.00 0.0
1965 80 46 0.00 0.0
1964 86 54 0.00 0.0
1963 75 50 0.00 0.0
1962 82 51 0.00 0.0
1961 81 53 0.00 0.0
1960 77 46 0.00 0.0
1959 80 52 0.00 0.0
1958 93 58 0.00 0.0
1957 87 51 0.00 0.0
1956 85 52 0.00 0.0
1955 78 44 0.00 0.0
1954 77 56 0.00 0.0
1953 71 58 0.00 0.0
1952 84 51 0.00 0.0
1951 78 53 0.00 0.0
1950 92 56 0.00 0.0
1949 99 57 0.00 0.0
1948 69 53 0.00 0.0
1947 100 58 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 82 50 0.00 0.0
1903 74 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 74 46 0.00 n/a
1894 94 50 0.00 n/a
What's the all-time high for San Rafael on 9/21?
For the date of Sep 21, the highest temperature ever reached in San Rafael history is 100 °F which happened in 1947.
Highest Temperatures in San Rafael on September 21
Rank Temperature Year
1 100 °F 1947
2 99 °F 2003
2 99 °F 1949
4 98 °F 2015
5 97 °F 1967
6 94 °F 1894
7 93 °F 1958
8 92 °F 1950
9 90 °F 2009
9 90 °F 1987
What's the all-time low for San Rafael on 9/21?
For the date of Sep 21, the lowest temperature ever reached in San Rafael history is 44 °F which has happened 2 times, most recently in 1988.
Lowest Temperatures in San Rafael on September 21
Rank Temperature Year
1 44 °F 1955
1 44 °F 1988
3 45 °F 1903
4 46 °F 1965
4 46 °F 1960
4 46 °F 1895
7 47 °F 1992
7 47 °F 2023
9 48 °F 1987
10 49 °F 1974
10 49 °F 2012
Lowest High Temperatures in San Rafael on September 21
Rank Temperature Year
1 66 °F 2000
1 66 °F 1998
3 67 °F 2014
4 68 °F 2010
5 69 °F 2013
5 69 °F 2017
5 69 °F 1948
8 70 °F 2005
9 71 °F 1953
9 71 °F 1986
What's the most it has ever rained in San Rafael on 9/21?
For the date of Sep 21, the most precipitation ever recorded in San Rafael history is 0.59 inches which happened in 2013.
All-Time Most Precipitation in San Rafael on September 21
Rank Precipitation Year
1 0.59 inches 2013
2 0.02 inches 2022
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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