Gilroy September 17 Weather Records

Daily averages and all-time records for weather in Gilroy, California for the date of September 17.
September 17 All-Time Records
1906–2023
Highest temperature 103 °F 1979
Lowest temperature 37 °F 2009
Lowest daily high 66 °F 1989
Highest daily low 62 °F 2020
Most precipitation 0.52 inches 1989
Most snow none -
September 17 Average Weather
1991–2020 1
Average high 85.5 °F
Average low 53.7 °F
Chance precipitation 2.0%
Chance snow 0%
Gilroy September 17 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 82 57 0.00 n/a
2021 77 55 0.00 n/a
2020 89 62 0.00 n/a
2019 n/a n/a n/a n/a
2018 83 49 0.00 n/a
2017 85 53 0.00 n/a
2016 n/a n/a n/a n/a
2015 n/a n/a n/a n/a
2014 94 55 0.00 n/a
2013 82 51 0.00 n/a
2012 86 53 0.00 n/a
2011 75 53 0.00 n/a
2010 80 51 0.00 0.0
2009 84 37 0.00 0.0
2008 83 54 0.00 0.0
2007 77 53 0.00 0.0
2006 80 48 0.00 0.0
2005 74 55 0.00 0.0
2004 89 52 0.00 0.0
2003 83 51 0.00 0.0
2002 81 55 0.00 0.0
2001 n/a n/a n/a n/a
2000 86 56 0.00 0.0
1999 75 54 0.00 0.0
1998 90 53 0.00 0.0
1997 86 56 0.00 0.0
1996 84 47 0.00 0.0
1995 83 54 0.00 0.0
1994 98 53 0.00 0.0
1993 75 55 0.00 0.0
1992 80 54 0.00 0.0
1991 94 52 0.00 0.0
1990 87 55 0.00 0.0
1989 66 56 0.52 0.0
1988 85 43 0.00 0.0
1987 90 49 0.00 0.0
1986 75 56 0.00 0.0
1985 76 53 0.00 0.0
1984 98 54 0.00 0.0
1983 92 54 0.00 0.0
1982 74 56 0.00 0.0
1981 88 56 0.00 0.0
1980 85 57 0.00 0.0
1979 103 55 0.00 0.0
1978 n/a 53 0.00 0.0
1977 70 50 0.00 0.0
1976 76 55 0.00 0.0
1975 86 57 0.00 0.0
1974 88 54 0.00 0.0
1973 78 54 0.00 0.0
1972 79 47 0.00 0.0
1971 88 57 0.00 0.0
1970 90 52 0.00 0.0
1969 76 46 0.00 0.0
1968 93 51 0.00 0.0
1967 82 55 0.00 0.0
1966 90 55 0.00 0.0
1965 85 45 0.00 0.0
1964 79 45 0.00 0.0
1963 74 53 0.00 0.0
1962 101 51 0.00 0.0
1961 73 45 0.03 0.0
1960 79 48 0.00 0.0
1959 74 45 0.00 0.0
1958 91 48 0.00 0.0
1957 77 53 0.00 0.0
1956 n/a n/a n/a n/a
1955 n/a n/a n/a n/a
1954 n/a n/a n/a n/a
1953 n/a n/a n/a n/a
1952 n/a n/a n/a n/a
1951 n/a n/a n/a n/a
1950 n/a n/a n/a n/a
1949 n/a n/a n/a n/a
1948 n/a n/a n/a n/a
1947 n/a n/a n/a n/a
1946 n/a n/a n/a n/a
1945 n/a n/a n/a n/a
1944 n/a n/a n/a n/a
1943 n/a n/a n/a n/a
1942 n/a n/a n/a n/a
1941 n/a n/a n/a n/a
1940 n/a n/a n/a n/a
1939 n/a n/a n/a n/a
1938 n/a n/a n/a n/a
1937 n/a n/a n/a n/a
1936 n/a n/a n/a n/a
1935 n/a n/a n/a n/a
1934 n/a n/a n/a n/a
1933 n/a n/a n/a n/a
1932 n/a n/a n/a n/a
1931 n/a n/a n/a n/a
1930 n/a n/a n/a n/a
1929 n/a n/a n/a n/a
1928 n/a n/a n/a n/a
1927 n/a n/a n/a n/a
1926 n/a n/a n/a n/a
1925 n/a n/a n/a n/a
1924 n/a n/a n/a n/a
1923 n/a n/a n/a n/a
1922 n/a n/a n/a n/a
1921 n/a n/a n/a n/a
1920 n/a n/a n/a n/a
1919 n/a n/a n/a n/a
1918 n/a n/a n/a n/a
1917 n/a n/a n/a n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 n/a n/a n/a n/a
1913 n/a n/a n/a n/a
1912 n/a n/a n/a n/a
1911 n/a n/a 0.00 n/a
1910 n/a n/a n/a n/a
1909 n/a n/a 0.00 n/a
1908 n/a n/a 0.00 n/a
1907 n/a n/a 0.00 n/a
1906 n/a n/a n/a n/a
What's the all-time high for Gilroy on 9/17?
For the date of Sep 17, the highest temperature ever reached in Gilroy history is 103 °F which happened in 1979.
Highest Temperatures in Gilroy on September 17
Rank Temperature Year
1 103 °F 1979
2 101 °F 1962
3 98 °F 1994
3 98 °F 1984
5 94 °F 1991
5 94 °F 2014
7 93 °F 1968
8 92 °F 1983
9 91 °F 1958
10 90 °F 1998
10 90 °F 1966
10 90 °F 1987
10 90 °F 1970
What's the all-time low for Gilroy on 9/17?
For the date of Sep 17, the lowest temperature ever reached in Gilroy history is 37 °F which happened in 2009.
Lowest Temperatures in Gilroy on September 17
Rank Temperature Year
1 37 °F 2009
2 43 °F 1988
3 45 °F 1961
3 45 °F 1964
3 45 °F 1959
3 45 °F 1965
7 46 °F 1969
8 47 °F 1996
8 47 °F 1972
10 48 °F 1958
10 48 °F 1960
10 48 °F 2006
Lowest High Temperatures in Gilroy on September 17
Rank Temperature Year
1 66 °F 1989
2 70 °F 1977
3 73 °F 1961
4 74 °F 1963
4 74 °F 1959
4 74 °F 2005
4 74 °F 1982
8 75 °F 2011
8 75 °F 1999
8 75 °F 1986
8 75 °F 1993
What's the most it has ever rained in Gilroy on 9/17?
For the date of Sep 17, the most precipitation ever recorded in Gilroy history is 0.52 inches which happened in 1989.
All-Time Most Precipitation in Gilroy on September 17
Rank Precipitation Year
1 0.52 inches 1989
2 0.03 inches 1961
Weather Station Details
Years Station Coordinates
1906–2023 Gilroy location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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