San Luis Obispo September 25 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of September 25.
September 25 All-Time Records
1893–2024
Highest temperature 105 °F 2010
Lowest temperature 42 °F 1948
Lowest daily high 66 °F 1988
Highest daily low 71 °F 1978
Most precipitation 0.54 inches 1986
September 25 Average Weather
1991–2020 1
Average high 80.2 °F
Average low 52.9 °F
Chance precipitation 4.9%
San Luis Obispo September 25 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 78 53 0.00 n/a
2022 74 58 0.00 n/a
2021 74 55 0.00 n/a
2020 79 55 0.00 0.0
2019 88 55 0.00 0.0
2018 71 53 0.00 0.0
2017 89 51 0.00 0.0
2016 101 56 0.00 0.0
2015 90 61 0.00 0.0
2014 79 61 0.00 0.0
2013 72 51 0.00 0.0
2012 75 55 0.00 0.0
2011 77 60 0.00 n/a
2010 105 57 0.00 n/a
2009 81 54 0.00 n/a
2008 89 53 0.00 n/a
2007 88 54 0.00 n/a
2006 77 51 0.01 n/a
2005 71 47 0.00 n/a
2004 76 53 0.00 n/a
2003 74 57 0.00 n/a
2002 74 52 0.00 n/a
2001 75 54 0.00 n/a
2000 81 60 0.01 n/a
1999 75 54 0.00 n/a
1998 72 54 0.00 0.0
1997 89 58 0.00 n/a
1996 76 53 0.00 0.0
1995 78 53 0.00 0.0
1994 72 53 0.00 0.0
1993 94 53 0.00 0.0
1992 91 55 0.00 0.0
1991 89 55 0.00 0.0
1990 76 51 0.00 0.0
1989 n/a 49 0.00 0.0
1988 66 49 n/a n/a
1987 74 53 0.00 0.0
1986 66 54 0.54 0.0
1985 99 53 0.00 0.0
1984 84 44 0.00 0.0
1983 84 59 0.00 0.0
1982 84 54 0.11 0.0
1981 75 47 0.00 0.0
1980 85 52 0.00 0.0
1979 76 51 0.00 0.0
1978 105 71 0.00 0.0
1977 81 52 0.00 0.0
1976 71 54 0.00 0.0
1975 102 58 0.00 0.0
1974 77 48 0.00 0.0
1973 73 51 0.00 0.0
1972 76 47 0.00 0.0
1971 74 48 0.00 0.0
1970 80 48 0.00 0.0
1969 83 52 0.00 0.0
1968 102 58 0.00 0.0
1967 69 58 0.00 0.0
1966 73 52 0.00 0.0
1965 69 54 0.00 0.0
1964 99 52 0.00 0.0
1963 93 54 0.00 0.0
1962 75 50 0.00 0.0
1961 77 53 0.00 0.0
1960 88 50 0.00 0.0
1959 76 51 0.00 0.0
1958 69 57 0.00 0.0
1957 76 53 0.00 0.0
1956 80 50 0.00 0.0
1955 69 53 0.00 0.0
1954 93 49 0.00 0.0
1953 76 53 0.00 0.0
1952 87 56 0.00 0.0
1951 74 55 0.00 0.0
1950 80 52 0.00 0.0
1949 82 50 0.00 0.0
1948 68 42 0.00 0.0
1947 81 51 0.00 0.0
1946 72 54 0.00 0.0
1945 90 54 0.00 0.0
1944 82 59 0.00 0.0
1943 75 53 0.00 0.0
1942 69 50 0.00 n/a
1941 72 46 0.00 n/a
1940 81 52 0.00 n/a
1939 70 60 0.48 n/a
1938 73 55 n/a n/a
1937 97 52 0.00 n/a
1936 87 52 0.00 n/a
1935 70 52 0.00 n/a
1934 75 49 0.00 n/a
1933 72 48 0.00 n/a
1932 74 50 0.00 n/a
1931 90 56 0.00 n/a
1930 82 52 0.00 n/a
1929 69 48 0.00 n/a
1928 75 48 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 9/25?
For the date of Sep 25, the highest temperature ever reached in San Luis Obispo history is 105 °F which has happened 2 times, most recently in 2010.
Highest Temperatures in San Luis Obispo on September 25
Rank Temperature Year
1 105 °F 2010
1 105 °F 1978
3 102 °F 1968
3 102 °F 1975
5 101 °F 2016
6 99 °F 1964
6 99 °F 1985
8 97 °F 1937
9 94 °F 1993
10 93 °F 1963
10 93 °F 1954
What's the all-time low for San Luis Obispo on 9/25?
For the date of Sep 25, the lowest temperature ever reached in San Luis Obispo history is 42 °F which happened in 1948.
Lowest Temperatures in San Luis Obispo on September 25
Rank Temperature Year
1 42 °F 1948
2 44 °F 1984
3 46 °F 1941
4 47 °F 2005
4 47 °F 1972
4 47 °F 1981
7 48 °F 1970
7 48 °F 1933
7 48 °F 1928
7 48 °F 1929
7 48 °F 1974
7 48 °F 1971
Lowest High Temperatures in San Luis Obispo on September 25
Rank Temperature Year
1 66 °F 1986
1 66 °F 1988
3 68 °F 1948
4 69 °F 1929
4 69 °F 1967
4 69 °F 1958
4 69 °F 1955
4 69 °F 1942
4 69 °F 1965
10 70 °F 1935
10 70 °F 1939
What's the most it has ever rained in San Luis Obispo on 9/25?
For the date of Sep 25, the most precipitation ever recorded in San Luis Obispo history is 0.54 inches which happened in 1986.
All-Time Most Precipitation in San Luis Obispo on September 25
Rank Precipitation Year
1 0.54 inches 1986
2 0.48 inches 1939
3 0.11 inches 1982
4 0.01 inches 2000
4 0.01 inches 2006
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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