Livermore September 27 Weather Records

Daily averages and all-time records for weather in Livermore, California for the date of September 27.
September 27 All-Time Records
1903–2024
Highest temperature 105 °F 1963
Lowest temperature 41 °F 1948
Lowest daily high 63 °F 1998
Highest daily low 66 °F 1977
Most precipitation 0.57 inches 1972
September 27 Average Weather
1991–2020 1
Average high 83.0 °F
Average low 53.6 °F
Chance precipitation 4.3%
Livermore September 27 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 81 53 0.00 n/a
2022 82 53 0.00 n/a
2021 76 53 0.00 n/a
2020 92 58 0.00 n/a
2019 74 55 0.00 n/a
2018 92 55 0.00 n/a
2017 92 55 0.00 n/a
2016 99 56 0.00 n/a
2015 92 58 0.00 n/a
2014 78 59 0.00 n/a
2013 80 49 0.00 n/a
2012 95 55 0.00 n/a
2011 89 52 0.00 n/a
2010 100 56 0.00 n/a
2009 102 61 0.00 n/a
2008 95 57 0.00 n/a
2007 88 53 0.00 n/a
2006 80 54 0.00 n/a
2005 83 54 0.00 n/a
2004 72 51 0.00 n/a
2003 79 57 0.00 n/a
2002 69 58 0.00 n/a
2001 73 56 0.00 n/a
2000 74 56 0.00 n/a
1999 92 62 0.00 n/a
1998 63 50 0.02 0.0
1997 88 53 0.00 0.0
1996 85 52 0.00 0.0
1995 77 55 0.00 0.0
1994 83 57 0.00 0.0
1993 94 52 0.00 0.0
1992 95 55 0.00 0.0
1991 79 55 0.00 0.0
1990 82 53 0.00 0.0
1989 78 50 0.00 0.0
1988 82 55 0.00 0.0
1987 93 50 0.00 0.0
1986 70 49 0.08 0.0
1985 72 60 0.00 0.0
1984 95 52 0.00 0.0
1983 76 57 0.00 0.0
1982 77 48 0.00 0.0
1981 81 50 0.00 0.0
1980 78 52 0.00 0.0
1979 85 48 0.00 0.0
1978 85 53 0.00 0.0
1977 80 66 0.00 0.0
1976 77 51 0.00 0.0
1975 90 47 0.00 0.0
1974 84 50 0.00 0.0
1973 96 48 0.00 0.0
1972 73 57 0.57 0.0
1971 73 48 0.00 0.0
1970 97 57 0.00 0.0
1969 96 53 0.00 0.0
1968 99 47 0.00 0.0
1967 95 56 0.00 0.0
1966 83 55 0.00 0.0
1965 72 54 0.00 0.0
1964 74 53 0.00 0.0
1963 105 57 0.00 0.0
1962 73 51 0.00 0.0
1961 92 53 0.00 0.0
1960 92 52 0.00 0.0
1959 85 50 0.00 0.0
1958 97 57 0.00 0.0
1957 n/a n/a n/a n/a
1956 93 53 0.00 0.0
1955 87 44 0.00 0.0
1954 100 55 0.00 0.0
1953 76 50 0.00 0.0
1952 100 56 0.00 0.0
1951 86 53 0.00 0.0
1950 86 51 0.00 0.0
1949 76 50 0.00 0.0
1948 75 41 0.00 0.0
1947 87 n/a 0.00 0.0
1946 93 50 0.00 0.0
1945 83 57 0.00 0.0
1944 100 53 0.00 0.0
1943 77 57 0.00 n/a
1942 75 51 0.00 n/a
1941 80 45 0.00 n/a
1940 78 49 0.00 n/a
1939 80 55 0.00 n/a
1938 70 59 0.00 n/a
1937 90 53 0.00 n/a
1936 92 52 0.00 n/a
1935 86 49 0.00 0.0
1934 83 42 0.00 n/a
1933 90 49 0.00 n/a
1932 77 51 0.00 n/a
1931 73 51 0.00 n/a
1930 81 52 0.00 0.0
1929 77 41 0.00 n/a
1928 74 53 0.00 n/a
1927 77 53 0.00 n/a
1926 88 44 0.00 n/a
1925 69 57 0.00 n/a
1924 85 48 0.00 n/a
1923 75 46 0.00 n/a
1922 76 55 0.00 n/a
1921 96 47 0.00 n/a
1920 87 45 0.00 n/a
1919 65 53 0.00 n/a
1918 82 52 0.00 n/a
1917 98 49 0.00 n/a
1916 99 59 0.00 n/a
1915 91 42 0.00 n/a
1914 93 44 0.00 n/a
1913 91 47 0.00 n/a
1912 82 53 0.00 n/a
1911 82 42 0.00 n/a
1910 73 50 0.00 n/a
1909 73 54 0.00 n/a
1908 86 48 0.00 n/a
1907 n/a n/a n/a n/a
1906 95 49 0.00 n/a
1905 82 57 0.00 n/a
1904 78 50 0.00 n/a
1903 74 54 0.00 n/a
What's the all-time high for Livermore on 9/27?
For the date of Sep 27, the highest temperature ever reached in Livermore history is 105 °F which happened in 1963.
Highest Temperatures in Livermore on September 27
Rank Temperature Year
1 105 °F 1963
2 102 °F 2009
3 100 °F 2010
3 100 °F 1954
3 100 °F 1952
3 100 °F 1944
7 99 °F 2016
7 99 °F 1968
7 99 °F 1916
10 98 °F 1917
What's the all-time low for Livermore on 9/27?
For the date of Sep 27, the lowest temperature ever reached in Livermore history is 41 °F which has happened 2 times, most recently in 1948.
Lowest Temperatures in Livermore on September 27
Rank Temperature Year
1 41 °F 1929
1 41 °F 1948
3 42 °F 1915
3 42 °F 1911
3 42 °F 1934
6 44 °F 1926
6 44 °F 1955
6 44 °F 1914
9 45 °F 1920
9 45 °F 1941
Lowest High Temperatures in Livermore on September 27
Rank Temperature Year
1 63 °F 1998
2 65 °F 1919
3 69 °F 1925
3 69 °F 2002
5 70 °F 1938
5 70 °F 1986
7 72 °F 2004
7 72 °F 1985
7 72 °F 1965
10 73 °F 1909
10 73 °F 1972
10 73 °F 1931
10 73 °F 1962
10 73 °F 1910
10 73 °F 1971
10 73 °F 2001
What's the most it has ever rained in Livermore on 9/27?
For the date of Sep 27, the most precipitation ever recorded in Livermore history is 0.57 inches which happened in 1972.
All-Time Most Precipitation in Livermore on September 27
Rank Precipitation Year
1 0.57 inches 1972
2 0.08 inches 1986
3 0.02 inches 1998
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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