Santa Cruz September 21 Weather Records

Daily averages and all-time records for weather in Santa Cruz, California for the date of September 21.
September 21 All-Time Records
1893–2022
Highest temperature 100 °F 1939
Lowest temperature 39 °F 1968
Lowest daily high 62 °F 1934
Highest daily low 65 °F 1939
Most precipitation 0.20 inches 1916
Most snow none -
September 21 Average Weather
1991–2020 1
Average high 74.9 °F
Average low 52.7 °F
Chance precipitation 5.1%
Chance snow 0%
Santa Cruz September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2021 87 56 0.00 n/a
2020 72 56 0.00 n/a
2019 92 53 0.00 n/a
2018 90 49 0.00 n/a
2017 76 51 0.00 n/a
2016 79 57 0.00 n/a
2015 89 58 0.00 n/a
2014 76 62 0.00 n/a
2013 63 58 0.17 n/a
2012 76 47 0.00 n/a
2011 71 52 n/a n/a
2010 76 47 0.00 0.0
2009 73 54 0.00 0.0
2008 73 54 0.00 0.0
2007 68 52 0.00 0.0
2006 71 52 0.00 0.0
2005 80 53 0.00 0.0
2004 74 47 0.00 0.0
2003 91 60 0.00 0.0
2002 68 51 0.00 0.0
2001 65 54 0.00 0.0
2000 64 58 0.04 0.0
1999 69 52 0.00 0.0
1998 63 57 0.00 0.0
1997 81 49 0.00 0.0
1996 78 50 0.00 0.0
1995 67 54 0.00 0.0
1994 67 58 0.00 0.0
1993 67 51 0.00 0.0
1992 69 55 0.00 0.0
1991 67 56 0.00 0.0
1990 71 57 0.00 0.0
1989 85 49 0.00 0.0
1988 70 55 0.00 0.0
1987 84 48 0.00 0.0
1986 72 46 0.00 0.0
1985 73 47 0.00 0.0
1984 75 58 0.00 0.0
1983 91 57 0.08 0.0
1982 82 49 0.00 0.0
1981 76 45 0.00 0.0
1980 78 47 0.00 0.0
1979 78 51 0.00 0.0
1978 84 45 0.00 0.0
1977 77 48 0.00 0.0
1976 75 47 0.00 0.0
1975 76 55 0.00 0.0
1974 72 48 0.00 0.0
1973 78 45 0.00 0.0
1972 90 46 0.00 0.0
1971 70 54 0.00 0.0
1970 82 45 0.00 0.0
1969 78 48 0.00 0.0
1968 81 39 0.00 0.0
1967 75 59 0.00 0.0
1966 77 47 0.00 0.0
1965 85 41 0.00 0.0
1964 84 43 0.00 0.0
1963 81 47 0.00 0.0
1962 78 43 0.00 0.0
1961 68 56 0.00 0.0
1960 66 48 0.00 0.0
1959 n/a n/a n/a n/a
1958 86 50 0.00 0.0
1957 91 45 0.00 0.0
1956 80 47 0.00 0.0
1955 63 50 0.00 0.0
1954 74 48 0.00 0.0
1953 69 59 0.00 0.0
1952 84 48 0.00 0.0
1951 74 50 0.00 0.0
1950 90 47 0.00 0.0
1949 88 51 0.00 0.0
1948 70 41 0.00 0.0
1947 95 51 0.00 0.0
1946 94 48 0.00 0.0
1945 72 52 0.00 0.0
1944 75 54 0.00 0.0
1943 99 n/a 0.00 0.0
1942 78 43 0.00 n/a
1941 82 45 0.00 n/a
1940 75 42 n/a n/a
1939 100 65 0.00 n/a
1938 78 48 0.00 n/a
1937 79 42 0.01 n/a
1936 72 46 0.00 n/a
1935 71 52 0.01 n/a
1934 62 56 0.00 n/a
1933 81 45 0.00 n/a
1932 68 55 0.00 n/a
1931 88 50 0.00 n/a
1930 73 50 0.00 n/a
1929 66 50 0.00 n/a
1928 100 50 0.00 n/a
1927 74 46 0.00 n/a
1926 82 42 0.00 n/a
1925 87 45 0.00 0.0
1924 92 40 0.00 n/a
1923 74 54 0.15 n/a
1922 74 47 n/a n/a
1921 90 45 n/a n/a
1920 80 45 n/a n/a
1919 65 48 0.00 n/a
1918 66 50 0.00 n/a
1917 66 49 0.10 n/a
1916 66 52 0.20 n/a
1915 76 43 0.00 n/a
1914 78 44 0.00 n/a
1913 78 58 0.00 n/a
1912 78 53 0.00 n/a
1911 62 54 n/a n/a
1910 84 44 0.00 n/a
1909 80 43 0.00 n/a
1908 69 54 0.00 n/a
1907 69 50 0.00 n/a
1906 78 46 0.00 n/a
1905 96 40 0.00 n/a
1904 75 n/a 0.04 n/a
1903 66 54 0.00 n/a
1902 91 46 0.00 n/a
1901 n/a 46 0.00 n/a
1900 n/a 42 n/a n/a
1899 78 45 0.00 n/a
1898 82 47 0.00 n/a
1897 68 56 0.00 n/a
1896 73 53 0.00 n/a
1895 77 50 0.00 n/a
1894 98 54 0.00 n/a
1893 77 45 0.00 n/a
What's the all-time high for Santa Cruz on 9/21?
For the date of Sep 21, the highest temperature ever reached in Santa Cruz history is 100 °F which has happened 2 times, most recently in 1939.
Highest Temperatures in Santa Cruz on September 21
Rank Temperature Year
1 100 °F 1939
1 100 °F 1928
3 99 °F 1943
4 98 °F 1894
5 96 °F 1905
6 95 °F 1947
7 94 °F 1946
8 92 °F 2019
8 92 °F 1924
10 91 °F 1902
10 91 °F 1983
10 91 °F 2003
10 91 °F 1957
What's the all-time low for Santa Cruz on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Santa Cruz history is 39 °F which happened in 1968.
Lowest Temperatures in Santa Cruz on September 21
Rank Temperature Year
1 39 °F 1968
2 40 °F 1924
2 40 °F 1905
4 41 °F 1965
4 41 °F 1948
6 42 °F 1940
6 42 °F 1937
6 42 °F 1926
6 42 °F 1900
10 43 °F 1915
10 43 °F 1909
10 43 °F 1942
10 43 °F 1962
10 43 °F 1964
Lowest High Temperatures in Santa Cruz on September 21
Rank Temperature Year
1 62 °F 1934
1 62 °F 1911
3 63 °F 2013
3 63 °F 1955
3 63 °F 1998
6 64 °F 2000
7 65 °F 2001
7 65 °F 1919
9 66 °F 1929
9 66 °F 1916
9 66 °F 1917
9 66 °F 1918
9 66 °F 1960
9 66 °F 1903
What's the most it has ever rained in Santa Cruz on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Santa Cruz history is 0.20 inches which happened in 1916.
All-Time Most Precipitation in Santa Cruz on September 21
Rank Precipitation Year
1 0.20 inches 1916
2 0.17 inches 2013
3 0.15 inches 1923
4 0.10 inches 1917
5 0.08 inches 1983
6 0.04 inches 2000
6 0.04 inches 1904
8 0.01 inches 1935
8 0.01 inches 1937
Weather Station Details
Years Station Coordinates
1893–2022 Santa Cruz location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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