San Jose September 17 Weather Records

Daily averages and all-time records for weather in San Jose, California for the date of September 17.
September 17 All-Time Records
1893–2024
Highest temperature 102 °F 1913
Lowest temperature 40 °F 1895
Lowest daily high 65 °F 1921
Highest daily low 65 °F 2020
Most precipitation 0.34 inches 1986
September 17 Average Weather
1991–2020 1
Average high 80.8 °F
Average low 57.4 °F
Chance precipitation 2.8%
San Jose September 17 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 78 63 0.00 n/a
2022 75 54 0.00 n/a
2021 77 57 0.00 n/a
2020 82 65 0.00 n/a
2019 78 55 0.00 n/a
2018 74 53 0.00 n/a
2017 81 57 0.00 n/a
2016 85 58 0.00 n/a
2015 75 58 0.00 n/a
2014 83 59 0.00 n/a
2013 75 56 0.00 n/a
2012 71 55 0.00 n/a
2011 79 53 0.00 n/a
2010 76 64 0.00 n/a
2009 84 61 0.00 n/a
2008 73 55 0.00 n/a
2007 76 55 0.00 n/a
2006 86 52 0.00 n/a
2005 71 54 0.00 n/a
2004 80 58 0.00 n/a
2003 81 55 0.00 n/a
2002 78 57 0.00 n/a
2001 74 57 0.00 n/a
2000 94 59 0.00 n/a
1999 75 56 0.00 n/a
1998 79 57 0.00 0.0
1997 81 58 0.00 0.0
1996 83 53 0.00 0.0
1995 81 56 0.00 0.0
1994 91 57 0.00 0.0
1993 67 59 0.00 0.0
1992 76 59 0.00 0.0
1991 83 59 0.00 0.0
1990 83 59 0.00 0.0
1989 66 55 0.05 0.0
1988 85 50 0.00 0.0
1987 85 56 0.00 0.0
1986 68 60 0.34 0.0
1985 75 54 0.01 0.0
1984 93 65 0.00 0.0
1983 81 55 0.00 0.0
1982 72 58 0.00 0.0
1981 77 56 0.00 0.0
1980 79 59 0.00 0.0
1979 88 59 0.00 0.0
1978 81 53 0.00 0.0
1977 74 57 0.00 0.0
1976 76 58 0.00 0.0
1975 74 55 0.00 0.0
1974 81 56 0.00 0.0
1973 73 57 0.00 0.0
1972 70 57 0.00 0.0
1971 80 59 0.00 0.0
1970 90 53 0.00 0.0
1969 75 50 0.00 0.0
1968 92 59 0.00 0.0
1967 79 60 0.00 0.0
1966 84 55 0.00 0.0
1965 80 58 0.00 0.0
1964 72 55 0.00 0.0
1963 74 57 0.00 0.0
1962 83 60 0.00 0.0
1961 n/a n/a n/a n/a
1960 80 51 0.00 0.0
1959 76 51 0.00 0.0
1958 80 57 0.00 0.0
1957 78 59 0.00 0.0
1956 85 54 0.00 0.0
1955 74 50 0.00 0.0
1954 74 54 0.00 0.0
1953 84 60 0.00 0.0
1952 81 56 0.00 0.0
1951 77 58 0.00 0.0
1950 70 59 0.11 0.0
1949 87 52 0.00 0.0
1948 75 58 0.00 0.0
1947 69 54 0.00 0.0
1946 82 49 0.00 0.0
1945 78 52 0.00 0.0
1944 76 50 0.00 0.0
1943 77 50 0.00 n/a
1942 76 56 0.00 0.0
1941 80 55 0.00 n/a
1940 76 62 0.06 n/a
1939 92 54 0.00 n/a
1938 77 57 0.00 n/a
1937 74 56 0.00 n/a
1936 91 49 0.00 0.0
1935 98 59 0.00 n/a
1934 89 54 0.00 n/a
1933 71 51 0.00 0.0
1932 72 54 0.00 0.0
1931 70 55 0.00 0.0
1930 77 59 0.00 n/a
1929 84 57 0.00 n/a
1928 80 54 0.00 n/a
1927 76 52 0.00 n/a
1926 76 48 0.00 n/a
1925 71 55 0.00 n/a
1924 75 54 0.00 n/a
1923 93 57 0.00 n/a
1922 82 54 0.00 n/a
1921 65 44 0.13 n/a
1920 79 55 0.00 n/a
1919 81 48 0.00 n/a
1918 77 58 0.00 n/a
1917 93 55 0.00 n/a
1916 69 48 0.00 n/a
1915 85 47 0.00 n/a
1914 72 55 0.00 n/a
1913 102 63 0.00 n/a
1912 85 48 0.00 n/a
1911 85 42 0.00 n/a
1910 82 42 0.00 n/a
1909 82 48 0.00 n/a
1908 73 45 0.00 n/a
1907 72 48 0.00 n/a
1906 90 50 0.00 n/a
1905 78 49 0.00 n/a
1904 72 59 0.00 n/a
1903 85 47 0.00 n/a
1902 n/a n/a 0.00 n/a
1901 81 52 0.00 n/a
1900 78 57 0.00 n/a
1899 n/a n/a 0.00 n/a
1898 n/a n/a n/a n/a
1897 n/a n/a n/a n/a
1896 75 42 0.00 n/a
1895 70 40 0.00 n/a
1894 85 44 0.00 n/a
1893 76 51 0.00 n/a
What's the all-time high for San Jose on 9/17?
For the date of Sep 17, the highest temperature ever reached in San Jose history is 102 °F which happened in 1913.
Highest Temperatures in San Jose on September 17
Rank Temperature Year
1 102 °F 1913
2 98 °F 1935
3 94 °F 2000
4 93 °F 1917
4 93 °F 1923
4 93 °F 1984
7 92 °F 1939
7 92 °F 1968
9 91 °F 1994
9 91 °F 1936
What's the all-time low for San Jose on 9/17?
For the date of Sep 17, the lowest temperature ever reached in San Jose history is 40 °F which happened in 1895.
Lowest Temperatures in San Jose on September 17
Rank Temperature Year
1 40 °F 1895
2 42 °F 1910
2 42 °F 1896
2 42 °F 1911
5 44 °F 1894
5 44 °F 1921
7 45 °F 1908
8 47 °F 1903
8 47 °F 1915
10 48 °F 1926
10 48 °F 1907
10 48 °F 1912
10 48 °F 1916
10 48 °F 1909
10 48 °F 1919
Lowest High Temperatures in San Jose on September 17
Rank Temperature Year
1 65 °F 1921
2 66 °F 1989
3 67 °F 1993
4 68 °F 1986
5 69 °F 1916
5 69 °F 1947
7 70 °F 1895
7 70 °F 1950
7 70 °F 1931
7 70 °F 1972
What's the most it has ever rained in San Jose on 9/17?
For the date of Sep 17, the most precipitation ever recorded in San Jose history is 0.34 inches which happened in 1986.
All-Time Most Precipitation in San Jose on September 17
Rank Precipitation Year
1 0.34 inches 1986
2 0.13 inches 1921
3 0.11 inches 1950
4 0.06 inches 1940
5 0.05 inches 1989
6 0.01 inches 1985
Weather Station Details
Years Station Coordinates
1999–2024 San Jose 2 location
1893–1998 San Jose location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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