San Jose September 23 Weather Records

Daily averages and all-time records for weather in San Jose, California for the date of September 23.
September 23 All-Time Records
1893–2024
Highest temperature 100 °F 1939
Lowest temperature 35 °F 1903
Lowest daily high 64 °F 1934
Highest daily low 69 °F 1939
Most precipitation 0.15 inches 1904
September 23 Average Weather
1991–2020 1
Average high 79.7 °F
Average low 56.6 °F
Chance precipitation 3.6%
San Jose September 23 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 76 54 0.00 n/a
2022 87 57 0.00 n/a
2021 89 57 0.00 n/a
2020 82 57 0.00 n/a
2019 84 59 0.00 n/a
2018 81 53 0.00 n/a
2017 81 51 0.00 n/a
2016 80 52 0.00 n/a
2015 82 53 0.00 n/a
2014 78 59 0.00 n/a
2013 80 54 0.00 n/a
2012 83 53 0.00 n/a
2011 89 61 0.00 n/a
2010 79 50 0.00 n/a
2009 79 60 0.00 n/a
2008 90 54 0.00 n/a
2007 71 53 0.00 n/a
2006 83 54 0.00 n/a
2005 72 54 0.00 n/a
2004 89 56 0.00 n/a
2003 81 60 0.00 n/a
2002 91 60 0.00 n/a
2001 72 55 0.00 n/a
2000 79 54 0.00 n/a
1999 79 58 0.00 n/a
1998 76 56 0.00 0.0
1997 96 59 0.00 0.0
1996 79 53 0.00 0.0
1995 76 60 0.00 0.0
1994 79 57 0.07 0.0
1993 81 54 0.00 0.0
1992 82 63 0.00 0.0
1991 87 58 0.00 0.0
1990 79 59 0.00 0.0
1989 76 61 0.00 0.0
1988 81 53 0.00 0.0
1987 73 59 0.00 0.0
1986 72 56 0.00 0.0
1985 79 56 0.00 0.0
1984 75 53 0.00 0.0
1983 77 62 0.00 0.0
1982 78 57 0.12 0.0
1981 80 50 0.00 0.0
1980 90 54 0.00 0.0
1979 82 54 0.00 0.0
1978 92 56 0.00 0.0
1977 77 50 0.00 0.0
1976 78 51 0.00 0.0
1975 84 48 0.00 0.0
1974 75 55 0.00 0.0
1973 72 60 0.01 0.0
1972 76 46 0.00 0.0
1971 75 57 0.00 0.0
1970 87 54 0.00 0.0
1969 80 53 0.00 0.0
1968 87 49 0.00 0.0
1967 82 61 0.00 0.0
1966 77 54 0.00 0.0
1965 76 55 0.00 0.0
1964 96 59 0.00 0.0
1963 80 56 0.00 0.0
1962 84 53 0.00 0.0
1961 76 52 0.00 0.0
1960 84 51 0.00 0.0
1959 80 55 0.00 0.0
1958 72 50 0.00 0.0
1957 80 58 0.00 0.0
1956 89 60 0.00 0.0
1955 75 51 0.00 0.0
1954 86 51 0.00 0.0
1953 79 54 0.00 0.0
1952 81 57 0.00 0.0
1951 73 54 0.00 0.0
1950 80 58 0.00 0.0
1949 80 60 0.00 0.0
1948 68 52 0.00 0.0
1947 83 56 0.00 0.0
1946 86 60 0.00 0.0
1945 76 45 0.00 0.0
1944 90 49 0.00 0.0
1943 91 62 0.00 n/a
1942 68 54 0.00 0.0
1941 84 51 0.00 n/a
1940 73 56 0.00 n/a
1939 100 69 0.00 n/a
1938 78 57 0.00 n/a
1937 78 53 0.00 n/a
1936 91 54 0.00 0.0
1935 71 55 0.00 n/a
1934 64 52 0.12 n/a
1933 72 45 0.00 0.0
1932 81 52 0.00 0.0
1931 82 48 0.00 0.0
1930 69 48 0.00 n/a
1929 75 48 0.00 n/a
1928 77 51 0.00 n/a
1927 75 46 0.00 n/a
1926 87 46 0.00 n/a
1925 72 50 0.00 n/a
1924 75 44 0.00 n/a
1923 69 49 0.00 n/a
1922 85 48 0.00 n/a
1921 80 51 0.00 n/a
1920 69 51 0.02 n/a
1919 92 49 0.00 n/a
1918 72 50 0.00 n/a
1917 72 47 0.00 n/a
1916 72 52 0.00 n/a
1915 73 45 0.00 n/a
1914 75 55 0.00 n/a
1913 83 54 0.00 n/a
1912 75 53 0.00 n/a
1911 75 53 0.00 n/a
1910 77 51 0.00 n/a
1909 76 49 0.00 n/a
1908 79 56 0.00 n/a
1907 69 49 0.00 n/a
1906 66 47 0.12 n/a
1905 87 53 0.00 n/a
1904 66 57 0.15 n/a
1903 82 35 0.00 n/a
1902 n/a n/a 0.00 n/a
1901 70 53 0.00 n/a
1900 75 66 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 69 46 0.00 n/a
1895 81 37 0.00 n/a
1894 88 52 0.00 n/a
1893 76 39 0.00 n/a
What's the all-time high for San Jose on 9/23?
For the date of Sep 23, the highest temperature ever reached in San Jose history is 100 °F which happened in 1939.
Highest Temperatures in San Jose on September 23
Rank Temperature Year
1 100 °F 1939
2 96 °F 1997
2 96 °F 1964
4 92 °F 1978
4 92 °F 1919
6 91 °F 1936
6 91 °F 2002
6 91 °F 1943
9 90 °F 1944
9 90 °F 1980
9 90 °F 2008
What's the all-time low for San Jose on 9/23?
For the date of Sep 23, the lowest temperature ever reached in San Jose history is 35 °F which happened in 1903.
Lowest Temperatures in San Jose on September 23
Rank Temperature Year
1 35 °F 1903
2 37 °F 1895
3 39 °F 1893
4 44 °F 1924
5 45 °F 1915
5 45 °F 1945
5 45 °F 1933
8 46 °F 1927
8 46 °F 1926
8 46 °F 1972
8 46 °F 1896
Lowest High Temperatures in San Jose on September 23
Rank Temperature Year
1 64 °F 1934
2 66 °F 1906
2 66 °F 1904
4 68 °F 1948
4 68 °F 1942
6 69 °F 1930
6 69 °F 1923
6 69 °F 1920
6 69 °F 1907
6 69 °F 1896
What's the most it has ever rained in San Jose on 9/23?
For the date of Sep 23, the most precipitation ever recorded in San Jose history is 0.15 inches which happened in 1904.
All-Time Most Precipitation in San Jose on September 23
Rank Precipitation Year
1 0.15 inches 1904
2 0.12 inches 1906
2 0.12 inches 1982
2 0.12 inches 1934
5 0.07 inches 1994
6 0.02 inches 1920
7 0.01 inches 1973
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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