San Luis Obispo September 22 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of September 22.
September 22 All-Time Records
1893–2024
Highest temperature 105 °F 1939
Lowest temperature 43 °F 1970
Lowest daily high 65 °F 1937
Highest daily low 75 °F 1939
Most precipitation 0.94 inches 1967
September 22 Average Weather
1991–2020 1
Average high 80.0 °F
Average low 53.3 °F
Chance precipitation 4.9%
San Luis Obispo September 22 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 80 50 0.00 n/a
2022 89 60 0.00 n/a
2021 83 53 0.00 n/a
2020 77 53 0.00 0.0
2019 89 56 0.00 0.0
2018 75 53 0.00 0.0
2017 74 48 0.00 0.0
2016 73 49 0.00 0.0
2015 84 63 0.00 0.0
2014 79 56 0.00 0.0
2013 77 54 0.00 0.0
2012 83 54 0.00 0.0
2011 79 57 0.00 n/a
2010 71 46 0.00 n/a
2009 82 56 0.00 n/a
2008 90 52 0.00 n/a
2007 72 51 0.00 n/a
2006 73 57 0.00 n/a
2005 80 51 0.00 n/a
2004 90 52 0.00 n/a
2003 80 52 0.00 n/a
2002 81 52 0.00 n/a
2001 n/a n/a n/a n/a
2000 81 63 0.00 n/a
1999 91 55 0.18 n/a
1998 71 51 0.00 0.0
1997 92 55 n/a n/a
1996 82 49 0.00 0.0
1995 75 53 0.00 0.0
1994 77 53 0.03 0.0
1993 73 48 0.00 0.0
1992 81 50 0.00 0.0
1991 81 48 0.00 0.0
1990 76 58 0.52 0.0
1989 n/a 50 0.00 0.0
1988 73 48 n/a n/a
1987 90 52 0.00 0.0
1986 77 46 0.00 0.0
1985 91 48 0.00 0.0
1984 76 54 0.00 0.0
1983 76 62 0.04 0.0
1982 89 57 0.00 0.0
1981 92 53 0.00 0.0
1980 74 48 0.00 0.0
1979 89 51 0.00 0.0
1978 88 56 0.00 0.0
1977 81 56 0.00 0.0
1976 77 54 0.00 0.0
1975 75 50 0.00 0.0
1974 74 50 0.00 0.0
1973 80 50 0.00 0.0
1972 95 58 0.00 0.0
1971 72 48 0.00 0.0
1970 83 43 0.00 0.0
1969 81 46 0.00 0.0
1968 79 51 0.00 0.0
1967 75 58 0.94 0.0
1966 80 49 0.00 0.0
1965 87 48 0.00 0.0
1964 75 52 0.00 0.0
1963 79 52 0.00 0.0
1962 84 46 0.00 0.0
1961 67 56 0.00 0.0
1960 69 45 0.00 0.0
1959 79 52 0.00 0.0
1958 90 54 0.00 0.0
1957 78 50 0.00 0.0
1956 89 60 0.00 0.0
1955 69 55 0.00 0.0
1954 75 47 0.00 0.0
1953 75 50 0.00 0.0
1952 85 54 0.00 0.0
1951 69 51 0.00 0.0
1950 74 56 0.00 0.0
1949 90 58 0.00 0.0
1948 68 46 0.00 0.0
1947 91 61 0.00 0.0
1946 77 50 0.00 0.0
1945 69 47 0.05 0.0
1944 73 55 0.00 0.0
1943 98 55 0.00 0.0
1942 79 51 0.00 n/a
1941 81 52 0.00 n/a
1940 73 54 0.00 n/a
1939 105 75 0.00 n/a
1938 74 52 n/a n/a
1937 65 54 0.00 n/a
1936 76 53 0.00 n/a
1935 72 53 0.00 n/a
1934 66 57 0.05 n/a
1933 86 56 0.00 n/a
1932 76 52 0.00 n/a
1931 68 48 0.00 n/a
1930 74 49 0.00 n/a
1929 72 51 0.00 n/a
1928 77 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 9/22?
For the date of Sep 22, the highest temperature ever reached in San Luis Obispo history is 105 °F which happened in 1939.
Highest Temperatures in San Luis Obispo on September 22
Rank Temperature Year
1 105 °F 1939
2 98 °F 1943
3 95 °F 1972
4 92 °F 1981
4 92 °F 1997
6 91 °F 1985
6 91 °F 1947
6 91 °F 1999
9 90 °F 1949
9 90 °F 2004
9 90 °F 2008
9 90 °F 1987
9 90 °F 1958
What's the all-time low for San Luis Obispo on 9/22?
For the date of Sep 22, the lowest temperature ever reached in San Luis Obispo history is 43 °F which happened in 1970.
Lowest Temperatures in San Luis Obispo on September 22
Rank Temperature Year
1 43 °F 1970
2 45 °F 1960
3 46 °F 1986
3 46 °F 1969
3 46 °F 2010
3 46 °F 1948
3 46 °F 1962
8 47 °F 1945
8 47 °F 1954
10 48 °F 2017
10 48 °F 1980
10 48 °F 1993
10 48 °F 1971
10 48 °F 1985
10 48 °F 1931
10 48 °F 1991
10 48 °F 1988
10 48 °F 1965
Lowest High Temperatures in San Luis Obispo on September 22
Rank Temperature Year
1 65 °F 1937
2 66 °F 1934
3 67 °F 1961
4 68 °F 1948
4 68 °F 1931
6 69 °F 1960
6 69 °F 1945
6 69 °F 1955
6 69 °F 1951
10 71 °F 2010
10 71 °F 1998
What's the most it has ever rained in San Luis Obispo on 9/22?
For the date of Sep 22, the most precipitation ever recorded in San Luis Obispo history is 0.94 inches which happened in 1967.
All-Time Most Precipitation in San Luis Obispo on September 22
Rank Precipitation Year
1 0.94 inches 1967
2 0.52 inches 1990
3 0.18 inches 1999
4 0.05 inches 1934
4 0.05 inches 1945
6 0.04 inches 1983
7 0.03 inches 1994
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