Santa Maria September 21 Weather Records

Daily averages and all-time records for weather in Santa Maria, California for the date of September 21.
September 21 All-Time Records
1893–2024
Highest temperature 98 °F 1939
Lowest temperature 38 °F 1926
Lowest daily high 64 °F 1955
Highest daily low 67 °F 1983
Most precipitation 0.32 inches 1990
September 21 Average Weather
1991–2020 1
Average high 75.3 °F
Average low 52.8 °F
Chance precipitation 3.0%
Santa Maria September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 71 51 0.00 n/a
2022 76 54 0.00 n/a
2021 76 54 0.00 n/a
2020 71 53 0.00 n/a
2019 90 52 0.00 n/a
2018 77 53 0.00 n/a
2017 69 49 0.00 n/a
2016 71 51 0.00 n/a
2015 92 64 0.00 n/a
2014 74 62 0.00 n/a
2013 76 57 0.00 n/a
2012 75 51 0.00 n/a
2011 71 57 0.00 n/a
2010 70 48 0.00 n/a
2009 72 52 0.00 n/a
2008 71 50 0.00 n/a
2007 75 47 0.00 n/a
2006 87 53 0.00 n/a
2005 70 52 0.00 n/a
2004 83 48 0.00 n/a
2003 84 48 0.00 n/a
2002 72 51 0.00 n/a
2001 69 55 0.00 n/a
2000 72 61 0.00 n/a
1999 68 47 0.14 n/a
1998 71 52 0.00 n/a
1997 84 49 0.00 n/a
1996 74 50 0.00 n/a
1995 67 55 0.00 0.0
1994 72 55 0.00 0.0
1993 71 55 0.00 0.0
1992 72 55 0.00 0.0
1991 74 55 0.00 0.0
1990 75 58 0.32 0.0
1989 82 49 0.00 0.0
1988 71 48 0.00 0.0
1987 76 46 0.00 0.0
1986 73 47 0.00 0.0
1985 77 48 0.00 0.0
1984 73 56 0.00 0.0
1983 86 67 0.01 0.0
1982 83 48 0.00 0.0
1981 76 49 0.00 0.0
1980 70 52 0.00 0.0
1979 73 54 0.00 0.0
1978 84 42 0.00 0.0
1977 85 52 0.00 0.0
1976 73 53 0.00 0.0
1975 73 52 0.00 0.0
1974 69 50 0.00 0.0
1973 74 49 0.00 0.0
1972 85 50 0.00 0.0
1971 70 51 0.00 0.0
1970 72 50 0.00 0.0
1969 72 51 0.00 0.0
1968 80 42 0.00 0.0
1967 76 56 0.01 0.0
1966 79 48 0.00 0.0
1965 85 44 0.00 0.0
1964 73 50 0.00 0.0
1963 73 51 0.00 0.0
1962 70 51 0.00 0.0
1961 69 57 0.00 0.0
1960 69 48 0.00 0.0
1959 73 51 0.00 0.0
1958 83 51 0.00 0.0
1957 75 53 0.00 0.0
1956 80 50 0.00 0.0
1955 64 51 0.00 0.0
1954 68 51 0.00 0.0
1953 74 52 0.00 0.0
1952 82 53 0.00 0.0
1951 69 53 0.00 0.0
1950 88 56 0.00 0.0
1949 79 51 0.00 0.0
1948 69 51 0.00 0.0
1947 86 58 0.00 n/a
1946 75 46 0.00 n/a
1945 67 45 0.00 n/a
1944 90 50 0.00 n/a
1943 87 54 0.00 n/a
1942 73 47 0.00 n/a
1941 82 44 0.00 n/a
1940 74 50 0.00 n/a
1939 98 63 0.00 n/a
1938 76 49 0.00 n/a
1937 77 50 0.00 n/a
1936 73 51 0.00 n/a
1935 68 54 0.00 n/a
1934 69 56 0.00 n/a
1933 90 44 0.00 n/a
1932 68 51 0.00 n/a
1931 92 45 0.00 n/a
1930 75 46 0.00 n/a
1929 67 47 0.00 n/a
1928 78 42 0.00 n/a
1927 75 43 0.00 n/a
1926 82 38 0.00 0.0
1925 86 42 n/a n/a
1924 78 48 0.01 n/a
1923 74 53 0.11 n/a
1922 83 46 0.00 n/a
1921 77 44 n/a n/a
1920 72 44 n/a n/a
1919 76 44 0.00 n/a
1918 85 48 n/a n/a
1917 71 43 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 82 67 0.00 n/a
1911 82 50 0.00 0.0
1910 70 57 0.00 n/a
1909 72 46 0.00 n/a
1908 71 50 0.00 n/a
1907 68 53 0.00 n/a
1906 70 55 0.00 n/a
1905 76 44 0.00 n/a
1904 74 58 0.00 n/a
1903 73 59 0.00 n/a
1902 82 44 0.00 n/a
1901 n/a n/a 0.00 n/a
1900 73 47 0.00 n/a
1899 79 55 n/a n/a
1898 70 54 n/a n/a
1897 84 58 0.00 n/a
1896 69 55 0.00 n/a
1895 n/a n/a n/a n/a
1894 84 40 0.00 n/a
1893 66 52 n/a n/a
What's the all-time high for Santa Maria on 9/21?
For the date of Sep 21, the highest temperature ever reached in Santa Maria history is 98 °F which happened in 1939.
Highest Temperatures in Santa Maria on September 21
Rank Temperature Year
1 98 °F 1939
2 92 °F 2015
2 92 °F 1931
4 90 °F 1944
4 90 °F 2019
4 90 °F 1933
7 88 °F 1950
8 87 °F 2006
8 87 °F 1943
10 86 °F 1925
10 86 °F 1947
10 86 °F 1983
What's the all-time low for Santa Maria on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Santa Maria history is 38 °F which happened in 1926.
Lowest Temperatures in Santa Maria on September 21
Rank Temperature Year
1 38 °F 1926
2 40 °F 1894
3 42 °F 1925
3 42 °F 1978
3 42 °F 1928
3 42 °F 1968
7 43 °F 1927
7 43 °F 1917
9 44 °F 1919
9 44 °F 1941
9 44 °F 1965
9 44 °F 1902
9 44 °F 1921
9 44 °F 1920
9 44 °F 1905
9 44 °F 1933
Lowest High Temperatures in Santa Maria on September 21
Rank Temperature Year
1 64 °F 1955
2 66 °F 1893
3 67 °F 1929
3 67 °F 1995
3 67 °F 1945
6 68 °F 1932
6 68 °F 1954
6 68 °F 1907
6 68 °F 1999
6 68 °F 1935
What's the most it has ever rained in Santa Maria on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Santa Maria history is 0.32 inches which happened in 1990.
All-Time Most Precipitation in Santa Maria on September 21
Rank Precipitation Year
1 0.32 inches 1990
2 0.14 inches 1999
3 0.11 inches 1923
4 0.01 inches 1983
4 0.01 inches 1924
4 0.01 inches 1967
Weather Station Details
Years Station Coordinates
1948–2024 Santa Maria Public Airport location
1893–1947 Santa Maria location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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