Gilroy September 15 Weather Records

Daily averages and all-time records for weather in Gilroy, California for the date of September 15.
September 15 All-Time Records
1906–2023
Highest temperature 109 °F 1971
Lowest temperature 45 °F 1980
Lowest daily high 65 °F 1985
Highest daily low 61 °F 1971
Most precipitation none -
Most snow none -
September 15 Average Weather
1991–2020 1
Average high 85.9 °F
Average low 53.8 °F
Chance precipitation 2.0%
Chance snow 0%
Gilroy September 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 78 56 0.00 n/a
2021 80 55 0.00 n/a
2020 88 56 0.00 n/a
2019 n/a n/a n/a n/a
2018 n/a n/a n/a n/a
2017 74 52 0.00 n/a
2016 82 50 0.00 n/a
2015 68 50 0.00 n/a
2014 92 58 0.00 n/a
2013 82 57 0.00 n/a
2012 91 55 0.00 n/a
2011 80 55 0.00 n/a
2010 78 48 0.00 0.0
2009 75 54 0.00 0.0
2008 81 49 0.00 0.0
2007 81 53 0.00 0.0
2006 69 56 0.00 0.0
2005 77 55 0.00 0.0
2004 90 56 0.00 0.0
2003 87 59 0.00 0.0
2002 86 57 0.00 0.0
2001 n/a n/a n/a n/a
2000 81 54 0.00 0.0
1999 84 56 0.00 0.0
1998 84 60 0.00 0.0
1997 84 59 0.00 0.0
1996 84 54 0.00 0.0
1995 85 58 0.00 0.0
1994 89 53 0.00 0.0
1993 73 59 0.00 0.0
1992 80 46 0.00 0.0
1991 83 53 0.00 0.0
1990 82 52 0.00 0.0
1989 93 53 0.00 0.0
1988 83 57 0.00 0.0
1987 78 51 0.00 0.0
1986 74 48 0.00 0.0
1985 65 47 0.00 0.0
1984 95 53 0.00 0.0
1983 98 59 0.00 0.0
1982 73 59 0.00 0.0
1981 87 55 0.00 0.0
1980 77 45 0.00 0.0
1979 95 56 0.00 0.0
1978 83 51 0.00 0.0
1977 77 52 0.00 0.0
1976 87 51 0.00 0.0
1975 75 50 0.00 0.0
1974 85 54 0.00 0.0
1973 80 52 0.00 0.0
1972 88 49 0.00 0.0
1971 109 61 0.00 0.0
1970 81 46 0.00 0.0
1969 75 48 0.00 0.0
1968 82 50 0.00 0.0
1967 88 53 0.00 0.0
1966 81 46 0.00 0.0
1965 92 49 0.00 0.0
1964 86 46 0.00 0.0
1963 92 54 0.00 0.0
1962 88 51 0.00 0.0
1961 81 54 0.00 0.0
1960 81 46 0.00 0.0
1959 76 51 0.00 0.0
1958 97 55 0.00 0.0
1957 77 48 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 9/15?
For the date of Sep 15, the highest temperature ever reached in Gilroy history is 109 °F which happened in 1971.
Highest Temperatures in Gilroy on September 15
Rank Temperature Year
1 109 °F 1971
2 98 °F 1983
3 97 °F 1958
4 95 °F 1979
4 95 °F 1984
6 93 °F 1989
7 92 °F 1965
7 92 °F 2014
7 92 °F 1963
10 91 °F 2012
What's the all-time low for Gilroy on 9/15?
For the date of Sep 15, the lowest temperature ever reached in Gilroy history is 45 °F which happened in 1980.
Lowest Temperatures in Gilroy on September 15
Rank Temperature Year
1 45 °F 1980
2 46 °F 1964
2 46 °F 1966
2 46 °F 1970
2 46 °F 1992
2 46 °F 1960
7 47 °F 1985
8 48 °F 1969
8 48 °F 2010
8 48 °F 1957
8 48 °F 1986
Lowest High Temperatures in Gilroy on September 15
Rank Temperature Year
1 65 °F 1985
2 68 °F 2015
3 69 °F 2006
4 73 °F 1982
4 73 °F 1993
6 74 °F 1986
6 74 °F 2017
8 75 °F 1975
8 75 °F 2009
8 75 °F 1969
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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