Los Angeles September 18 Weather Records

Daily averages and all-time records for weather in Los Angeles, California for the date of September 18.
September 18 All-Time Records
1906–2024
Highest temperature 103 °F 1939
Lowest temperature 54 °F 1933
Lowest daily high 67 °F 1999
Highest daily low 80 °F 1939
Most precipitation 0.31 inches 1929
September 18 Average Weather
1991–2020 1
Average high 76.2 °F
Average low 63.4 °F
Chance precipitation 1.7%
Los Angeles September 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 79 62 0.00 n/a
2022 74 67 0.00 n/a
2021 71 62 0.00 n/a
2020 87 63 0.00 n/a
2019 78 65 0.00 n/a
2018 78 61 0.00 n/a
2017 73 64 0.00 n/a
2016 73 62 0.00 n/a
2015 80 65 0.00 n/a
2014 76 67 0.00 n/a
2013 74 64 0.00 0.0
2012 74 63 0.00 n/a
2011 70 59 0.00 n/a
2010 68 59 0.00 n/a
2009 75 65 0.00 n/a
2008 75 65 0.00 n/a
2007 71 60 0.00 n/a
2006 82 63 0.00 n/a
2005 72 60 0.00 n/a
2004 76 67 0.00 n/a
2003 75 61 0.00 n/a
2002 72 63 0.00 n/a
2001 71 62 0.00 n/a
2000 73 65 0.00 n/a
1999 67 64 0.00 n/a
1998 75 62 0.00 n/a
1997 82 67 0.00 n/a
1996 77 64 0.00 0.0
1995 75 63 0.00 0.0
1994 75 63 0.00 0.0
1993 74 57 0.00 0.0
1992 78 64 0.00 0.0
1991 78 62 0.00 0.0
1990 75 66 0.00 0.0
1989 70 62 0.00 0.0
1988 75 62 0.00 0.0
1987 71 62 0.00 0.0
1986 77 59 0.00 0.0
1985 69 59 0.00 0.0
1984 85 74 0.00 0.0
1983 83 66 0.00 0.0
1982 78 67 0.02 0.0
1981 91 65 0.00 0.0
1980 77 63 0.00 0.0
1979 91 66 0.00 0.0
1978 75 59 0.00 0.0
1977 73 59 0.00 0.0
1976 71 62 0.00 0.0
1975 79 65 0.00 0.0
1974 73 62 0.00 0.0
1973 70 60 0.00 0.0
1972 73 60 0.00 0.0
1971 78 67 0.00 0.0
1970 68 58 0.00 0.0
1969 70 62 0.00 0.0
1968 69 64 0.00 0.0
1967 72 67 0.00 0.0
1966 82 63 0.14 0.0
1965 74 60 0.07 0.0
1964 71 61 0.00 0.0
1963 79 68 0.00 0.0
1962 73 62 0.00 0.0
1961 74 58 0.00 0.0
1960 73 64 0.00 0.0
1959 80 66 0.00 0.0
1958 80 60 0.00 0.0
1957 77 60 0.00 0.0
1956 79 61 0.00 0.0
1955 72 59 0.00 0.0
1954 78 56 0.00 0.0
1953 73 60 0.00 0.0
1952 72 56 0.00 0.0
1951 83 64 0.00 0.0
1950 72 56 0.00 0.0
1949 73 63 0.00 0.0
1948 69 60 0.00 0.0
1947 74 57 0.00 0.0
1946 92 63 0.00 0.0
1945 70 n/a 0.00 0.0
1944 72 59 0.00 0.0
1943 88 61 0.00 n/a
1942 76 58 0.00 n/a
1941 75 59 0.00 n/a
1940 74 60 0.00 n/a
1939 103 80 0.00 n/a
1938 82 65 0.01 n/a
1937 80 62 0.00 0.0
1936 77 59 0.00 0.0
1935 82 58 0.00 0.0
1934 98 74 0.00 n/a
1933 78 54 0.00 n/a
1932 74 60 0.00 n/a
1931 74 58 0.00 n/a
1930 77 58 0.00 n/a
1929 80 68 0.31 n/a
1928 84 60 0.00 n/a
1927 75 58 0.00 n/a
1926 75 57 0.00 n/a
1925 76 60 0.00 0.0
1924 74 58 0.00 0.0
1923 78 62 0.00 n/a
1922 91 62 0.00 n/a
1921 74 58 0.00 0.0
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 90 69 0.00 n/a
1912 88 59 0.00 n/a
1911 80 59 0.00 n/a
1910 86 56 n/a n/a
1909 87 58 0.00 n/a
1908 n/a n/a 0.00 n/a
1907 n/a n/a 0.00 n/a
1906 94 70 n/a n/a
What's the all-time high for Los Angeles on 9/18?
For the date of Sep 18, the highest temperature ever reached in Los Angeles history is 103 °F which happened in 1939.
Highest Temperatures in Los Angeles on September 18
Rank Temperature Year
1 103 °F 1939
2 98 °F 1934
3 94 °F 1906
4 92 °F 1946
5 91 °F 1979
5 91 °F 1922
5 91 °F 1981
8 90 °F 1913
9 88 °F 1943
9 88 °F 1912
What's the all-time low for Los Angeles on 9/18?
For the date of Sep 18, the lowest temperature ever reached in Los Angeles history is 54 °F which happened in 1933.
Lowest Temperatures in Los Angeles on September 18
Rank Temperature Year
1 54 °F 1933
2 56 °F 1950
2 56 °F 1954
2 56 °F 1952
2 56 °F 1910
6 57 °F 1947
6 57 °F 1993
6 57 °F 1926
9 58 °F 1970
9 58 °F 1935
9 58 °F 1924
9 58 °F 1921
9 58 °F 1931
9 58 °F 1930
9 58 °F 1927
9 58 °F 1942
9 58 °F 1909
9 58 °F 1961
Lowest High Temperatures in Los Angeles on September 18
Rank Temperature Year
1 67 °F 1999
2 68 °F 2010
2 68 °F 1970
4 69 °F 1985
4 69 °F 1948
4 69 °F 1968
7 70 °F 2011
7 70 °F 1989
7 70 °F 1969
7 70 °F 1973
7 70 °F 1945
What's the most it has ever rained in Los Angeles on 9/18?
For the date of Sep 18, the most precipitation ever recorded in Los Angeles history is 0.31 inches which happened in 1929.
All-Time Most Precipitation in Los Angeles on September 18
Rank Precipitation Year
1 0.31 inches 1929
2 0.14 inches 1966
3 0.07 inches 1965
4 0.02 inches 1982
5 0.01 inches 1938
Weather Station Details
Years Station Coordinates
1945–2024 Los Angeles International Airport location
1906–1944 University of Southern California location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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