San Luis Obispo September 12 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of September 12.
September 12 All-Time Records
1893–2024
Highest temperature 107 °F 1983
Lowest temperature 45 °F 1985
Lowest daily high 67 °F 1952
Highest daily low 68 °F 1983
Most precipitation 0.01 inches 2000
September 12 Average Weather
1991–2020 1
Average high 80.5 °F
Average low 53.9 °F
Chance precipitation 2.4%
San Luis Obispo September 12 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 76 57 0.00 n/a
2022 83 62 0.00 n/a
2021 78 57 0.00 n/a
2020 77 50 0.00 0.0
2019 93 56 0.00 0.0
2018 78 49 0.00 0.0
2017 78 65 0.00 0.0
2016 72 60 0.00 0.0
2015 93 63 0.00 0.0
2014 78 56 0.00 0.0
2013 76 53 0.00 0.0
2012 78 55 0.00 0.0
2011 79 55 0.00 n/a
2010 70 53 0.00 n/a
2009 76 57 0.00 n/a
2008 76 59 0.00 n/a
2007 75 57 0.00 n/a
2006 83 51 0.00 n/a
2005 72 49 0.00 n/a
2004 80 56 0.00 n/a
2003 88 55 0.00 n/a
2002 75 51 0.00 n/a
2001 73 49 0.00 n/a
2000 85 53 0.01 n/a
1999 73 54 0.00 n/a
1998 84 55 0.00 0.0
1997 83 55 n/a n/a
1996 71 50 0.00 0.0
1995 78 54 0.00 0.0
1994 76 47 0.00 0.0
1993 76 52 0.00 0.0
1992 75 52 0.00 0.0
1991 76 52 0.00 0.0
1990 82 52 0.00 0.0
1989 n/a 50 0.00 0.0
1988 73 48 n/a n/a
1987 75 48 0.00 0.0
1986 76 50 0.00 0.0
1985 77 45 0.00 0.0
1984 82 62 0.00 0.0
1983 107 68 0.00 0.0
1982 81 49 0.00 0.0
1981 78 55 0.00 0.0
1980 73 54 0.00 0.0
1979 94 59 0.00 0.0
1978 83 60 0.00 0.0
1977 70 55 0.00 0.0
1976 70 60 0.01 0.0
1975 69 54 0.00 0.0
1974 76 51 0.00 0.0
1973 76 52 0.00 0.0
1972 68 50 0.00 0.0
1971 94 56 0.00 0.0
1970 77 50 0.00 0.0
1969 76 52 0.00 0.0
1968 77 52 0.00 0.0
1967 94 59 0.00 0.0
1966 70 46 0.00 0.0
1965 72 50 0.00 0.0
1964 73 50 0.00 0.0
1963 89 50 0.00 0.0
1962 69 50 0.00 0.0
1961 79 50 0.00 0.0
1960 91 60 0.00 0.0
1959 84 56 0.00 0.0
1958 78 54 0.00 0.0
1957 74 50 0.00 0.0
1956 78 52 0.00 0.0
1955 84 48 0.00 0.0
1954 73 48 0.00 0.0
1953 93 60 0.00 0.0
1952 67 47 0.00 0.0
1951 75 53 0.00 0.0
1950 72 54 0.00 0.0
1949 70 55 0.00 0.0
1948 90 50 0.00 0.0
1947 84 50 0.00 0.0
1946 86 46 0.00 0.0
1945 81 54 0.00 0.0
1944 74 54 0.00 0.0
1943 75 53 0.00 0.0
1942 73 52 0.00 n/a
1941 75 55 0.00 n/a
1940 78 55 0.00 n/a
1939 67 56 0.00 n/a
1938 76 51 n/a n/a
1937 81 50 0.00 n/a
1936 68 54 0.00 n/a
1935 73 50 0.00 n/a
1934 76 45 0.00 n/a
1933 67 53 0.00 n/a
1932 73 52 0.00 n/a
1931 81 45 0.00 n/a
1930 72 50 0.00 n/a
1929 80 53 0.00 n/a
1928 80 50 0.00 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 0.00 n/a
1907 n/a n/a 0.00 0.0
1906 n/a n/a 0.00 0.0
1905 n/a n/a n/a n/a
1904 n/a n/a n/a n/a
1903 n/a n/a n/a n/a
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 n/a n/a 0.00 n/a
1894 n/a n/a 0.00 n/a
1893 n/a n/a 0.00 n/a
What's the all-time high for San Luis Obispo on 9/12?
For the date of Sep 12, the highest temperature ever reached in San Luis Obispo history is 107 °F which happened in 1983.
Highest Temperatures in San Luis Obispo on September 12
Rank Temperature Year
1 107 °F 1983
2 94 °F 1967
2 94 °F 1979
2 94 °F 1971
5 93 °F 2019
5 93 °F 1953
5 93 °F 2015
8 91 °F 1960
9 90 °F 1948
10 89 °F 1963
What's the all-time low for San Luis Obispo on 9/12?
For the date of Sep 12, the lowest temperature ever reached in San Luis Obispo history is 45 °F which has happened 3 times, most recently in 1985.
Lowest Temperatures in San Luis Obispo on September 12
Rank Temperature Year
1 45 °F 1985
1 45 °F 1934
1 45 °F 1931
4 46 °F 1966
4 46 °F 1946
6 47 °F 1994
6 47 °F 1952
8 48 °F 1954
8 48 °F 1988
8 48 °F 1987
8 48 °F 1955
Lowest High Temperatures in San Luis Obispo on September 12
Rank Temperature Year
1 67 °F 1939
1 67 °F 1933
1 67 °F 1952
4 68 °F 1972
4 68 °F 1936
6 69 °F 1962
6 69 °F 1975
8 70 °F 1949
8 70 °F 1976
8 70 °F 2010
8 70 °F 1977
8 70 °F 1966
What's the most it has ever rained in San Luis Obispo on 9/12?
For the date of Sep 12, the most precipitation ever recorded in San Luis Obispo history is 0.01 inches which has happened 2 times, most recently in 2000.
All-Time Most Precipitation in San Luis Obispo on September 12
Rank Precipitation Year
1 0.01 inches 2000
1 0.01 inches 1976
Weather Station Details
Years Station Coordinates
1999–2024 San Luis Obispo Airport location
1893–1998 San Luis Obispo Poly location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
© H Brothers Inc, 2021–2024
Contact us | Privacy policy