Livermore September 12 Weather Records

Daily averages and all-time records for weather in Livermore, California for the date of September 12.
September 12 All-Time Records
1903–2024
Highest temperature 105 °F 1983
Lowest temperature 37 °F 1970
Lowest daily high 68 °F 1910
Highest daily low 64 °F 2017
Most precipitation 3.97 inches 1918
September 12 Average Weather
1991–2020 1
Average high 86.3 °F
Average low 55.6 °F
Chance precipitation 1.8%
Livermore September 12 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 85 57 0.00 n/a
2022 85 61 0.00 n/a
2021 96 55 0.00 n/a
2020 91 55 0.00 n/a
2019 94 56 0.00 n/a
2018 76 51 0.00 n/a
2017 91 64 0.00 n/a
2016 74 54 0.00 n/a
2015 85 62 0.00 n/a
2014 101 59 0.00 n/a
2013 85 62 0.00 n/a
2012 89 55 0.00 n/a
2011 86 58 0.00 n/a
2010 82 54 0.00 n/a
2009 75 58 0.05 n/a
2008 81 54 0.00 n/a
2007 70 59 0.00 n/a
2006 102 58 0.00 n/a
2005 73 47 0.00 n/a
2004 79 60 0.00 n/a
2003 100 60 0.00 n/a
2002 87 55 0.00 n/a
2001 71 55 0.00 n/a
2000 91 55 0.00 n/a
1999 85 56 0.00 n/a
1998 93 59 0.00 0.0
1997 83 57 0.00 0.0
1996 78 52 0.00 0.0
1995 89 55 0.00 0.0
1994 78 56 0.00 0.0
1993 87 53 0.00 0.0
1992 88 54 0.00 0.0
1991 90 53 0.00 0.0
1990 87 52 0.00 0.0
1989 92 54 0.00 0.0
1988 88 55 0.00 0.0
1987 73 56 0.00 0.0
1986 76 49 0.00 0.0
1985 82 45 0.00 0.0
1984 93 50 0.00 0.0
1983 105 58 0.00 0.0
1982 91 54 0.00 0.0
1981 85 56 0.00 0.0
1980 84 55 0.00 0.0
1979 104 59 0.00 0.0
1978 87 47 0.00 0.0
1977 80 47 0.00 0.0
1976 85 52 0.00 0.0
1975 81 52 0.00 0.0
1974 96 53 0.00 0.0
1973 84 50 0.00 0.0
1972 82 55 0.00 0.0
1971 102 52 0.00 0.0
1970 96 37 0.00 0.0
1969 89 52 0.00 0.0
1968 86 55 0.00 0.0
1967 90 55 0.00 0.0
1966 72 52 0.00 0.0
1965 80 46 0.00 0.0
1964 87 49 0.00 0.0
1963 89 56 0.01 0.0
1962 84 47 0.00 0.0
1961 96 50 0.00 0.0
1960 97 56 0.00 0.0
1959 89 51 0.00 0.0
1958 79 56 0.00 0.0
1957 79 51 0.00 0.0
1956 76 52 0.00 0.0
1955 99 49 0.00 0.0
1954 80 52 0.00 0.0
1953 102 63 0.00 0.0
1952 76 50 0.00 0.0
1951 97 51 0.00 0.0
1950 82 50 0.00 0.0
1949 80 48 0.00 0.0
1948 103 60 0.00 0.0
1947 101 n/a 0.00 0.0
1946 93 53 0.00 0.0
1945 95 57 0.00 0.0
1944 91 53 0.00 0.0
1943 95 49 0.00 n/a
1942 97 50 0.00 n/a
1941 75 52 0.00 n/a
1940 80 58 0.00 n/a
1939 70 55 0.00 n/a
1938 92 52 0.00 n/a
1937 97 43 0.00 n/a
1936 76 51 0.00 n/a
1935 84 46 0.00 0.0
1934 80 44 0.00 n/a
1933 76 52 0.00 n/a
1932 90 53 0.00 n/a
1931 94 52 0.00 n/a
1930 80 53 0.00 0.0
1929 96 55 0.00 n/a
1928 83 53 0.00 n/a
1927 76 49 0.00 n/a
1926 73 56 0.00 n/a
1925 70 55 0.00 n/a
1924 88 57 0.00 n/a
1923 85 52 0.00 n/a
1922 98 57 0.00 n/a
1921 72 50 0.00 n/a
1920 74 53 0.00 n/a
1919 85 47 0.00 n/a
1918 74 63 3.97 n/a
1917 85 55 0.00 n/a
1916 88 50 0.00 n/a
1915 94 43 0.00 n/a
1914 85 46 0.00 n/a
1913 100 57 0.00 n/a
1912 100 53 0.00 n/a
1911 75 54 0.00 n/a
1910 68 49 0.00 n/a
1909 92 n/a 0.00 n/a
1908 94 58 0.00 n/a
1907 n/a n/a n/a n/a
1906 86 54 0.00 n/a
1905 79 54 0.00 n/a
1904 86 52 0.00 n/a
1903 n/a 53 0.00 n/a
What's the all-time high for Livermore on 9/12?
For the date of Sep 12, the highest temperature ever reached in Livermore history is 105 °F which happened in 1983.
Highest Temperatures in Livermore on September 12
Rank Temperature Year
1 105 °F 1983
2 104 °F 1979
3 103 °F 1948
4 102 °F 2006
4 102 °F 1953
4 102 °F 1971
7 101 °F 1947
7 101 °F 2014
9 100 °F 1913
9 100 °F 1912
9 100 °F 2003
What's the all-time low for Livermore on 9/12?
For the date of Sep 12, the lowest temperature ever reached in Livermore history is 37 °F which happened in 1970.
Lowest Temperatures in Livermore on September 12
Rank Temperature Year
1 37 °F 1970
2 43 °F 1937
2 43 °F 1915
4 44 °F 1934
5 45 °F 1985
6 46 °F 1935
6 46 °F 1965
6 46 °F 1914
9 47 °F 1978
9 47 °F 2005
9 47 °F 1919
9 47 °F 1962
9 47 °F 1977
Lowest High Temperatures in Livermore on September 12
Rank Temperature Year
1 68 °F 1910
2 70 °F 2007
2 70 °F 1939
2 70 °F 1925
5 71 °F 2001
6 72 °F 1921
6 72 °F 1966
8 73 °F 2005
8 73 °F 1987
8 73 °F 1926
What's the most it has ever rained in Livermore on 9/12?
For the date of Sep 12, the most precipitation ever recorded in Livermore history is 3.97 inches which happened in 1918.
All-Time Most Precipitation in Livermore on September 12
Rank Precipitation Year
1 3.97 inches 1918
2 0.05 inches 2009
3 0.01 inches 1963
Weather Station Details
Years Station Coordinates
1999–2024 Livermore Municipal Airport location
1903–1998 Livermore location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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