Napa September 16 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of September 16.
September 16 All-Time Records
1901–2024
Highest temperature 104 °F 1913
Lowest temperature 38 °F 2006
Lowest daily high 61 °F 1928
Highest daily low 64 °F 1912
Most precipitation 1.00 inches 1982
September 16 Average Weather
1991–2020 1
Average high 80.9 °F
Average low 50.7 °F
Chance precipitation 2.9%
Napa September 16 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 78 60 0.00 n/a
2022 80 50 0.00 n/a
2021 69 54 0.00 n/a
2020 84 56 0.00 n/a
2019 77 55 0.01 n/a
2018 78 39 0.00 n/a
2017 76 45 0.00 0.0
2016 79 47 0.00 n/a
2015 68 50 0.06 n/a
2014 84 50 0.00 n/a
2013 80 52 0.00 n/a
2012 75 43 0.00 n/a
2011 72 51 0.00 n/a
2010 84 47 0.00 n/a
2009 84 48 0.00 n/a
2008 72 50 0.00 n/a
2007 78 46 0.00 n/a
2006 79 38 0.00 n/a
2005 74 53 0.00 n/a
2004 85 54 0.00 n/a
2003 77 46 0.00 n/a
2002 78 47 0.00 n/a
2001 69 53 0.00 n/a
2000 81 51 0.00 n/a
1999 70 48 0.00 n/a
1998 78 54 0.00 0.0
1997 83 50 0.00 0.0
1996 80 46 0.00 0.0
1995 77 53 0.00 0.0
1994 95 55 0.00 0.0
1993 70 53 0.00 0.0
1992 77 50 0.00 0.0
1991 86 50 0.00 0.0
1990 84 52 0.00 0.0
1989 80 55 0.65 0.0
1988 73 51 0.00 0.0
1987 87 50 0.00 0.0
1986 n/a n/a 0.14 0.0
1985 80 55 0.00 0.0
1984 97 52 0.00 0.0
1983 83 52 0.00 0.0
1982 73 53 1.00 0.0
1981 82 52 0.00 0.0
1980 83 47 0.00 0.0
1979 91 55 0.00 0.0
1978 87 54 0.00 0.0
1977 64 55 0.02 0.0
1976 73 57 0.00 0.0
1975 79 49 0.00 0.0
1974 76 48 0.00 0.0
1973 73 52 0.00 0.0
1972 75 50 0.00 0.0
1971 98 57 0.00 0.0
1970 89 46 0.00 0.0
1969 72 48 0.00 0.0
1968 97 61 0.00 0.0
1967 83 51 0.00 0.0
1966 87 48 0.00 0.0
1965 82 52 0.00 0.0
1964 86 48 0.00 0.0
1963 76 53 0.00 0.0
1962 97 52 0.00 0.0
1961 70 55 0.23 0.0
1960 75 52 0.00 0.0
1959 71 47 0.00 0.0
1958 97 53 0.00 0.0
1957 n/a 48 0.00 0.0
1956 89 46 0.00 0.0
1955 72 55 0.00 0.0
1954 79 44 0.00 0.0
1953 76 60 0.00 0.0
1952 80 54 0.00 0.0
1951 91 60 0.00 0.0
1950 72 52 0.00 0.0
1949 85 50 0.00 0.0
1948 81 46 0.00 0.0
1947 84 50 0.00 n/a
1946 79 51 0.03 n/a
1945 91 48 0.00 n/a
1944 81 46 0.00 n/a
1943 81 45 0.00 n/a
1942 90 50 0.00 n/a
1941 92 50 0.00 n/a
1940 83 60 0.00 n/a
1939 96 45 0.00 n/a
1938 87 56 0.00 n/a
1937 85 53 0.00 n/a
1936 88 43 0.00 n/a
1935 92 52 0.00 n/a
1934 89 52 0.00 n/a
1933 n/a n/a 0.00 n/a
1932 86 49 0.00 n/a
1931 75 46 0.00 n/a
1930 75 55 0.00 n/a
1929 83 52 0.00 n/a
1928 61 52 0.00 n/a
1927 73 49 0.00 n/a
1926 71 45 0.00 n/a
1925 62 49 0.00 n/a
1924 68 45 0.00 n/a
1923 101 49 0.00 n/a
1922 98 55 0.00 n/a
1921 75 46 0.00 n/a
1920 90 52 0.00 n/a
1919 77 45 0.00 n/a
1918 86 56 0.00 n/a
1917 100 52 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 70 49 0.00 n/a
1913 104 62 0.00 n/a
1912 79 64 0.00 n/a
1911 84 44 0.00 n/a
1910 73 49 0.00 n/a
1909 101 53 n/a n/a
1908 70 58 0.00 n/a
1907 74 58 0.00 n/a
1906 94 61 0.00 n/a
1905 73 53 0.00 n/a
1904 69 55 0.00 n/a
1903 96 48 0.00 n/a
1902 78 55 0.00 n/a
1901 67 53 0.00 n/a
What's the all-time high for Napa on 9/16?
For the date of Sep 16, the highest temperature ever reached in Napa history is 104 °F which happened in 1913.
Highest Temperatures in Napa on September 16
Rank Temperature Year
1 104 °F 1913
2 101 °F 1923
2 101 °F 1909
4 100 °F 1917
5 98 °F 1922
5 98 °F 1971
7 97 °F 1968
7 97 °F 1962
7 97 °F 1984
7 97 °F 1958
What's the all-time low for Napa on 9/16?
For the date of Sep 16, the lowest temperature ever reached in Napa history is 38 °F which happened in 2006.
Lowest Temperatures in Napa on September 16
Rank Temperature Year
1 38 °F 2006
2 39 °F 2018
3 43 °F 1936
3 43 °F 2012
5 44 °F 1911
5 44 °F 1954
7 45 °F 1924
7 45 °F 1919
7 45 °F 2017
7 45 °F 1939
7 45 °F 1943
7 45 °F 1926
Lowest High Temperatures in Napa on September 16
Rank Temperature Year
1 61 °F 1928
2 62 °F 1925
3 64 °F 1977
4 67 °F 1901
5 68 °F 1924
5 68 °F 2015
7 69 °F 1904
7 69 °F 2001
7 69 °F 2021
10 70 °F 1914
10 70 °F 1993
10 70 °F 1908
10 70 °F 1999
10 70 °F 1961
What's the most it has ever rained in Napa on 9/16?
For the date of Sep 16, the most precipitation ever recorded in Napa history is 1.00 inches which happened in 1982.
All-Time Most Precipitation in Napa on September 16
Rank Precipitation Year
1 1.00 inches 1982
2 0.65 inches 1989
3 0.23 inches 1961
4 0.14 inches 1986
5 0.06 inches 2015
6 0.03 inches 1946
7 0.02 inches 1977
8 0.01 inches 2019
Weather Station Details
Years Station Coordinates
1999–2024 Napa County Airport location
1901–1998 Napa State Hospital location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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