Livermore September 17 Weather Records

Daily averages and all-time records for weather in Livermore, California for the date of September 17.
September 17 All-Time Records
1903–2024
Highest temperature 111 °F 1913
Lowest temperature 43 °F 1908
Lowest daily high 62 °F 1921
Highest daily low 67 °F 1968
Most precipitation 0.23 inches 1940
September 17 Average Weather
1991–2020 1
Average high 85.4 °F
Average low 55.2 °F
Chance precipitation 2.1%
Livermore September 17 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 76 59 0.00 n/a
2022 74 52 0.00 n/a
2021 82 55 0.00 n/a
2020 88 61 0.00 n/a
2019 80 51 0.00 n/a
2018 77 49 0.00 n/a
2017 82 53 0.00 n/a
2016 98 53 0.00 n/a
2015 82 59 0.00 n/a
2014 91 59 0.00 n/a
2013 78 59 0.00 n/a
2012 78 53 0.00 n/a
2011 86 50 0.00 n/a
2010 75 62 0.00 n/a
2009 93 59 0.00 n/a
2008 71 51 0.00 n/a
2007 78 55 0.00 n/a
2006 88 48 0.00 n/a
2005 73 52 0.00 n/a
2004 82 57 0.00 n/a
2003 84 50 0.00 n/a
2002 83 55 0.00 n/a
2001 82 55 0.00 n/a
2000 96 54 0.00 n/a
1999 83 54 0.00 n/a
1998 79 55 0.00 0.0
1997 79 54 0.00 0.0
1996 83 49 0.00 0.0
1995 88 56 0.00 0.0
1994 87 57 0.00 0.0
1993 69 55 0.00 0.0
1992 83 56 0.00 0.0
1991 99 56 0.00 0.0
1990 85 56 0.00 0.0
1989 68 54 0.05 0.0
1988 86 46 0.00 0.0
1987 90 52 0.00 0.0
1986 73 50 0.07 0.0
1985 75 51 0.00 0.0
1984 98 62 0.00 0.0
1983 94 54 0.00 0.0
1982 67 53 0.21 0.0
1981 86 56 0.00 0.0
1980 85 56 0.00 0.0
1979 94 54 0.00 0.0
1978 90 50 0.00 0.0
1977 77 49 0.00 0.0
1976 83 48 0.00 0.0
1975 87 47 0.00 0.0
1974 98 49 0.00 0.0
1973 78 47 0.00 0.0
1972 76 46 0.00 0.0
1971 96 54 0.00 0.0
1970 97 47 0.00 0.0
1969 81 46 0.00 0.0
1968 98 67 0.00 0.0
1967 79 58 0.00 0.0
1966 90 49 0.00 0.0
1965 84 51 0.00 0.0
1964 88 52 0.00 0.0
1963 76 54 0.00 0.0
1962 98 56 0.00 0.0
1961 66 50 0.16 0.0
1960 82 47 0.00 0.0
1959 70 44 0.00 0.0
1958 91 58 0.00 0.0
1957 72 58 0.00 0.0
1956 92 50 0.00 0.0
1955 74 51 0.00 0.0
1954 n/a n/a n/a n/a
1953 80 58 0.00 0.0
1952 91 50 0.00 0.0
1951 91 50 0.00 0.0
1950 76 56 0.04 0.0
1949 86 49 0.00 0.0
1948 75 55 0.00 0.0
1947 72 n/a 0.00 0.0
1946 81 46 0.00 0.0
1945 93 59 0.00 0.0
1944 80 52 0.00 0.0
1943 84 47 0.00 n/a
1942 82 52 0.00 n/a
1941 85 52 0.00 n/a
1940 75 61 0.23 n/a
1939 96 49 0.00 n/a
1938 89 60 0.00 n/a
1937 84 53 0.00 n/a
1936 96 47 0.00 n/a
1935 97 56 0.00 0.0
1934 98 53 0.00 n/a
1933 83 46 0.00 n/a
1932 76 55 0.00 n/a
1931 79 56 0.00 n/a
1930 78 58 0.00 0.0
1929 95 56 0.00 n/a
1928 91 62 0.00 n/a
1927 74 50 0.00 n/a
1926 75 49 0.00 n/a
1925 70 54 0.00 n/a
1924 79 51 0.00 n/a
1923 90 59 0.00 n/a
1922 95 53 0.00 n/a
1921 62 46 0.02 n/a
1920 80 58 0.00 n/a
1919 85 49 0.00 n/a
1918 91 56 0.00 n/a
1917 98 55 0.00 n/a
1916 70 48 0.00 n/a
1915 95 50 0.00 n/a
1914 89 53 0.00 n/a
1913 111 63 0.00 n/a
1912 91 49 0.00 n/a
1911 88 46 0.00 n/a
1910 83 47 0.00 n/a
1909 93 53 0.00 n/a
1908 78 43 0.00 n/a
1907 n/a n/a n/a n/a
1906 94 49 0.00 n/a
1905 85 51 0.00 n/a
1904 70 56 0.00 n/a
1903 96 49 0.00 n/a
What's the all-time high for Livermore on 9/17?
For the date of Sep 17, the highest temperature ever reached in Livermore history is 111 °F which happened in 1913.
Highest Temperatures in Livermore on September 17
Rank Temperature Year
1 111 °F 1913
2 99 °F 1991
3 98 °F 2016
3 98 °F 1934
3 98 °F 1968
3 98 °F 1974
3 98 °F 1984
3 98 °F 1962
3 98 °F 1917
10 97 °F 1970
10 97 °F 1935
What's the all-time low for Livermore on 9/17?
For the date of Sep 17, the lowest temperature ever reached in Livermore history is 43 °F which happened in 1908.
Lowest Temperatures in Livermore on September 17
Rank Temperature Year
1 43 °F 1908
2 44 °F 1959
3 46 °F 1921
3 46 °F 1988
3 46 °F 1933
3 46 °F 1911
3 46 °F 1969
3 46 °F 1946
3 46 °F 1972
10 47 °F 1973
10 47 °F 1910
10 47 °F 1936
10 47 °F 1975
10 47 °F 1970
10 47 °F 1943
10 47 °F 1960
Lowest High Temperatures in Livermore on September 17
Rank Temperature Year
1 62 °F 1921
2 66 °F 1961
3 67 °F 1982
4 68 °F 1989
5 69 °F 1993
6 70 °F 1916
6 70 °F 1925
6 70 °F 1959
6 70 °F 1904
10 71 °F 2008
What's the most it has ever rained in Livermore on 9/17?
For the date of Sep 17, the most precipitation ever recorded in Livermore history is 0.23 inches which happened in 1940.
All-Time Most Precipitation in Livermore on September 17
Rank Precipitation Year
1 0.23 inches 1940
2 0.21 inches 1982
3 0.16 inches 1961
4 0.07 inches 1986
5 0.05 inches 1989
6 0.04 inches 1950
7 0.02 inches 1921
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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