Antioch September 18 Weather Records

Daily averages and all-time records for weather in Antioch, California for the date of September 18.
September 18 All-Time Records
1915–2021
Highest temperature 102 °F 1939
Lowest temperature 44 °F 1965
Lowest daily high 68 °F 1989
Highest daily low 76 °F 1916
Most precipitation 0.50 inches 1959
September 18 Average Weather
1991–2020 1
Average high 86.2 °F
Average low 57.8 °F
Chance precipitation 1.1%
Antioch September 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2020 82 64 0.00 n/a
2019 77 63 0.00 n/a
2018 n/a n/a n/a n/a
2017 n/a n/a n/a n/a
2016 98 59 0.00 n/a
2015 85 60 0.00 n/a
2014 83 66 0.00 n/a
2013 85 63 0.00 n/a
2012 83 51 0.00 n/a
2011 100 62 0.00 n/a
2010 72 58 0.00 0.0
2009 96 62 0.00 0.0
2008 78 54 0.00 0.0
2007 85 55 0.00 0.0
2006 88 55 0.00 0.0
2005 81 54 0.00 0.0
2004 72 57 0.00 0.0
2003 88 59 0.00 0.0
2002 91 62 0.00 0.0
2001 89 56 0.00 0.0
2000 98 71 0.00 0.0
1999 82 53 0.00 0.0
1998 81 62 0.00 0.0
1997 85 58 0.00 0.0
1996 83 63 0.00 0.0
1995 89 60 0.00 0.0
1994 84 54 0.00 0.0
1993 76 52 0.00 0.0
1992 84 55 0.00 0.0
1991 95 57 0.00 0.0
1990 86 60 0.00 0.0
1989 68 56 0.29 0.0
1988 89 65 0.00 0.0
1987 89 53 0.00 0.0
1986 73 52 0.02 0.0
1985 78 53 0.00 0.0
1984 97 68 0.00 0.0
1983 87 52 0.00 0.0
1982 71 58 0.00 0.0
1981 87 54 0.00 0.0
1980 86 60 0.00 0.0
1979 95 56 0.00 0.0
1978 80 54 0.00 0.0
1977 77 51 0.00 0.0
1976 83 54 0.00 0.0
1975 89 58 0.00 0.0
1974 95 50 0.00 0.0
1973 82 54 0.00 0.0
1972 74 50 0.00 0.0
1971 87 55 0.00 0.0
1970 92 55 0.00 0.0
1969 83 54 0.00 0.0
1968 95 54 0.00 0.0
1967 82 61 0.01 0.0
1966 91 62 0.00 0.0
1965 76 44 0.00 0.0
1964 81 55 0.00 0.0
1963 78 59 0.00 0.0
1962 92 54 0.00 0.0
1961 74 53 0.00 0.0
1960 86 47 0.00 0.0
1959 76 52 0.50 0.0
1958 90 54 0.00 0.0
1957 79 51 0.00 0.0
1956 90 59 0.00 0.0
1955 n/a n/a 0.00 0.0
1954 84 48 0.00 0.0
1953 86 59 0.00 0.0
1952 83 50 0.00 0.0
1951 79 58 0.00 0.0
1950 71 55 0.09 0.0
1949 98 49 0.00 0.0
1948 75 52 n/a n/a
1947 77 48 0.00 0.0
1946 91 59 0.00 0.0
1945 89 59 0.00 0.0
1944 79 51 0.00 n/a
1943 93 46 0.00 n/a
1942 87 58 0.00 n/a
1941 79 50 0.00 n/a
1940 82 61 0.00 n/a
1939 102 55 0.00 n/a
1938 82 56 0.00 n/a
1937 80 55 0.00 n/a
1936 101 54 0.00 n/a
1935 96 55 0.00 0.0
1934 85 53 0.00 n/a
1933 80 46 0.00 n/a
1932 81 54 0.00 n/a
1931 82 54 0.00 n/a
1930 83 44 0.00 n/a
1929 88 52 0.00 n/a
1928 n/a n/a 0.00 n/a
1927 86 56 0.00 n/a
1926 80 44 0.00 n/a
1925 77 50 0.00 0.0
1924 n/a n/a n/a n/a
1923 94 56 n/a n/a
1922 97 57 n/a n/a
1921 88 55 n/a n/a
1920 88 53 n/a n/a
1919 96 50 0.00 n/a
1918 84 59 0.00 n/a
1917 98 56 n/a n/a
1916 88 76 n/a n/a
What's the all-time high for Antioch on 9/18?
For the date of Sep 18, the highest temperature ever reached in Antioch history is 102 °F which happened in 1939.
Highest Temperatures in Antioch on September 18
Rank Temperature Year
1 102 °F 1939
2 101 °F 1936
3 100 °F 2011
4 98 °F 1917
4 98 °F 2016
4 98 °F 2000
4 98 °F 1949
8 97 °F 1984
8 97 °F 1922
10 96 °F 1935
10 96 °F 2009
10 96 °F 1919
What's the all-time low for Antioch on 9/18?
For the date of Sep 18, the lowest temperature ever reached in Antioch history is 44 °F which has happened 3 times, most recently in 1965.
Lowest Temperatures in Antioch on September 18
Rank Temperature Year
1 44 °F 1926
1 44 °F 1930
1 44 °F 1965
4 46 °F 1933
4 46 °F 1943
6 47 °F 1960
7 48 °F 1954
7 48 °F 1947
9 49 °F 1949
10 50 °F 1974
10 50 °F 1919
10 50 °F 1972
10 50 °F 1941
10 50 °F 1952
10 50 °F 1925
Lowest High Temperatures in Antioch on September 18
Rank Temperature Year
1 68 °F 1989
2 71 °F 1950
2 71 °F 1982
4 72 °F 2004
4 72 °F 2010
6 73 °F 1986
7 74 °F 1972
7 74 °F 1961
9 75 °F 1948
10 76 °F 1965
10 76 °F 1993
10 76 °F 1959
What's the most it has ever rained in Antioch on 9/18?
For the date of Sep 18, the most precipitation ever recorded in Antioch history is 0.50 inches which happened in 1959.
All-Time Most Precipitation in Antioch on September 18
Rank Precipitation Year
1 0.50 inches 1959
2 0.29 inches 1989
3 0.09 inches 1950
4 0.02 inches 1986
5 0.01 inches 1967
Weather Station Details
Years Station Coordinates
1956–2021 Antioch Pumping Plant #3 location
1915–1955 Antioch Fireboard Mills location