San Luis Obispo September 4 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of September 4.
September 4 All-Time Records
1893–2024
Highest temperature 103 °F 2022
Lowest temperature 41 °F 1930
Lowest daily high 67 °F 1985
Highest daily low 69 °F 1950
Most precipitation 0.09 inches 1936
September 4 Average Weather
1991–2020 1
Average high 80.2 °F
Average low 54.3 °F
Chance precipitation 0.8%
San Luis Obispo September 4 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 83 58 0.00 n/a
2022 103 61 0.00 n/a
2021 79 56 0.00 n/a
2020 81 55 0.00 0.0
2019 85 56 0.00 0.0
2018 73 57 0.00 0.0
2017 80 68 0.00 0.0
2016 73 54 0.00 0.0
2015 76 55 0.00 0.0
2014 73 57 0.00 0.0
2013 82 57 0.00 0.0
2012 80 51 0.00 0.0
2011 73 53 0.00 n/a
2010 75 51 0.00 n/a
2009 83 54 0.00 n/a
2008 87 53 0.00 n/a
2007 88 53 0.00 n/a
2006 74 54 0.00 n/a
2005 75 52 0.00 n/a
2004 88 51 0.00 n/a
2003 76 60 0.00 n/a
2002 84 55 0.00 n/a
2001 81 56 0.00 n/a
2000 79 51 0.00 n/a
1999 74 55 0.00 n/a
1998 92 n/a 0.00 0.0
1997 88 59 n/a n/a
1996 76 52 0.00 0.0
1995 80 52 0.00 0.0
1994 82 47 0.00 0.0
1993 83 57 0.00 0.0
1992 79 53 0.00 0.0
1991 80 51 0.00 0.0
1990 84 50 0.00 0.0
1989 87 49 0.00 0.0
1988 90 49 n/a n/a
1987 84 56 0.00 0.0
1986 74 54 0.00 0.0
1985 67 56 0.00 0.0
1984 87 59 0.00 0.0
1983 75 55 0.00 0.0
1982 97 57 0.00 0.0
1981 75 54 0.00 0.0
1980 75 53 0.00 0.0
1979 79 57 0.00 0.0
1978 78 52 0.00 0.0
1977 77 54 0.00 0.0
1976 82 54 0.00 0.0
1975 77 51 0.00 0.0
1974 78 52 0.00 0.0
1973 72 53 0.00 0.0
1972 75 59 0.00 0.0
1971 89 53 0.00 0.0
1970 71 51 0.00 0.0
1969 78 50 0.00 0.0
1968 73 51 0.00 0.0
1967 87 51 0.00 0.0
1966 78 49 0.00 0.0
1965 72 54 0.00 0.0
1964 86 48 0.00 0.0
1963 78 53 0.00 0.0
1962 74 50 0.00 0.0
1961 87 54 0.00 0.0
1960 71 53 0.00 0.0
1959 73 55 0.00 0.0
1958 76 57 0.00 0.0
1957 74 53 0.00 0.0
1956 79 53 0.00 0.0
1955 95 52 0.00 0.0
1954 80 47 0.00 0.0
1953 74 53 0.00 0.0
1952 75 52 0.00 0.0
1951 73 53 0.00 0.0
1950 86 69 0.00 0.0
1949 73 51 0.00 0.0
1948 88 54 0.00 0.0
1947 74 48 0.00 0.0
1946 80 54 0.00 0.0
1945 88 58 0.00 0.0
1944 72 51 0.00 0.0
1943 75 52 0.00 0.0
1942 n/a 54 0.00 n/a
1941 86 61 0.00 n/a
1940 76 53 0.00 n/a
1939 74 46 0.00 n/a
1938 84 51 n/a n/a
1937 76 52 0.00 n/a
1936 73 56 0.09 n/a
1935 74 52 0.00 n/a
1934 82 53 0.00 n/a
1933 71 44 0.00 n/a
1932 78 52 0.00 n/a
1931 85 59 0.00 n/a
1930 78 41 0.00 n/a
1929 76 52 0.00 n/a
1928 77 52 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 9/4?
For the date of Sep 4, the highest temperature ever reached in San Luis Obispo history is 103 °F which happened in 2022.
Highest Temperatures in San Luis Obispo on September 4
Rank Temperature Year
1 103 °F 2022
2 97 °F 1982
3 95 °F 1955
4 92 °F 1998
5 90 °F 1988
6 89 °F 1971
7 88 °F 1945
7 88 °F 1948
7 88 °F 2007
7 88 °F 2004
7 88 °F 1997
What's the all-time low for San Luis Obispo on 9/4?
For the date of Sep 4, the lowest temperature ever reached in San Luis Obispo history is 41 °F which happened in 1930.
Lowest Temperatures in San Luis Obispo on September 4
Rank Temperature Year
1 41 °F 1930
2 44 °F 1933
3 46 °F 1939
4 47 °F 1954
4 47 °F 1994
6 48 °F 1964
6 48 °F 1947
8 49 °F 1966
8 49 °F 1989
8 49 °F 1988
Lowest High Temperatures in San Luis Obispo on September 4
Rank Temperature Year
1 67 °F 1985
2 71 °F 1960
2 71 °F 1933
2 71 °F 1970
5 72 °F 1965
5 72 °F 1944
5 72 °F 1973
8 73 °F 2018
8 73 °F 1936
8 73 °F 2014
8 73 °F 2016
8 73 °F 1968
8 73 °F 1959
8 73 °F 2011
8 73 °F 1951
8 73 °F 1949
What's the most it has ever rained in San Luis Obispo on 9/4?
For the date of Sep 4, the most precipitation ever recorded in San Luis Obispo history is 0.09 inches which happened in 1936.
All-Time Most Precipitation in San Luis Obispo on September 4
Rank Precipitation Year
1 0.09 inches 1936
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.
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