Napa September 19 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of September 19.
September 19 All-Time Records
1901–2024
Highest temperature 104 °F 1919
Lowest temperature 37 °F 1926
Lowest daily high 69 °F 1926
Highest daily low 66 °F 1984
Most precipitation 0.51 inches 1977
September 19 Average Weather
1991–2020 1
Average high 80.4 °F
Average low 50.3 °F
Chance precipitation 3.5%
Napa September 19 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 75 53 0.00 n/a
2022 77 55 0.00 n/a
2021 81 52 0.00 n/a
2020 85 51 0.00 n/a
2019 78 46 0.00 n/a
2018 83 45 0.00 n/a
2017 79 45 0.00 0.0
2016 91 55 0.00 n/a
2015 90 47 0.00 n/a
2014 78 52 0.00 n/a
2013 88 45 0.00 n/a
2012 73 42 0.00 n/a
2011 94 49 0.00 n/a
2010 70 57 0.00 n/a
2009 75 56 0.00 n/a
2008 74 41 0.00 n/a
2007 75 50 0.00 n/a
2006 75 52 0.00 n/a
2005 89 41 0.00 n/a
2004 70 43 0.01 n/a
2003 91 44 0.00 n/a
2002 97 47 0.00 n/a
2001 71 51 0.00 n/a
2000 96 53 0.00 n/a
1999 71 55 0.00 n/a
1998 84 51 0.00 0.0
1997 85 52 0.00 0.0
1996 86 49 0.00 0.0
1995 96 58 0.00 0.0
1994 77 52 0.00 0.0
1993 82 49 0.00 0.0
1992 79 48 0.00 0.0
1991 81 53 0.00 0.0
1990 75 55 0.00 0.0
1989 72 52 0.48 0.0
1988 84 49 0.00 0.0
1987 85 46 0.00 0.0
1986 70 51 0.07 0.0
1985 78 49 0.00 0.0
1984 90 66 0.09 0.0
1983 96 52 0.00 0.0
1982 78 55 0.00 0.0
1981 88 55 0.00 0.0
1980 78 51 0.00 0.0
1979 85 51 0.00 0.0
1978 79 54 0.00 0.0
1977 73 58 0.51 0.0
1976 76 51 0.00 0.0
1975 75 51 0.00 0.0
1974 78 52 0.00 0.0
1973 74 57 0.00 0.0
1972 76 49 0.00 0.0
1971 91 42 0.00 0.0
1970 78 51 0.00 0.0
1969 76 51 0.00 0.0
1968 79 50 0.00 0.0
1967 98 55 0.00 0.0
1966 79 55 0.00 0.0
1965 79 40 0.00 0.0
1964 99 47 0.00 0.0
1963 84 54 0.00 0.0
1962 79 45 0.00 0.0
1961 86 42 0.00 0.0
1960 79 43 0.00 0.0
1959 77 55 0.50 0.0
1958 96 53 0.00 0.0
1957 n/a 52 0.00 0.0
1956 75 55 0.14 0.0
1955 78 41 0.00 0.0
1954 89 44 0.00 0.0
1953 77 58 0.00 0.0
1952 78 51 0.00 0.0
1951 84 54 0.00 0.0
1950 76 46 0.00 0.0
1949 96 48 0.00 0.0
1948 71 54 0.03 0.0
1947 n/a n/a 0.00 n/a
1946 96 52 0.00 n/a
1945 77 54 0.00 n/a
1944 73 47 0.00 n/a
1943 98 49 0.00 n/a
1942 87 45 0.00 n/a
1941 77 49 0.00 n/a
1940 87 48 0.00 n/a
1939 100 62 0.00 n/a
1938 78 53 0.00 n/a
1937 78 46 0.00 n/a
1936 90 50 0.00 n/a
1935 79 51 0.00 n/a
1934 85 53 0.00 n/a
1933 n/a n/a 0.00 n/a
1932 77 40 0.00 n/a
1931 82 45 0.00 n/a
1930 79 49 0.00 n/a
1929 81 51 0.00 n/a
1928 86 45 0.00 n/a
1927 79 49 0.00 n/a
1926 69 37 0.00 n/a
1925 70 48 0.00 n/a
1924 78 48 0.00 n/a
1923 80 50 0.00 n/a
1922 94 48 0.00 n/a
1921 80 56 0.04 n/a
1920 77 40 0.00 n/a
1919 104 56 0.00 n/a
1918 75 57 0.00 n/a
1917 87 46 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 78 47 0.00 n/a
1913 91 59 0.00 n/a
1912 93 61 0.00 n/a
1911 82 43 0.00 n/a
1910 72 51 0.00 n/a
1909 70 47 n/a n/a
1908 76 52 0.00 n/a
1907 87 48 0.00 n/a
1906 97 52 0.00 n/a
1905 93 53 0.00 n/a
1904 82 49 0.00 n/a
1903 79 51 0.00 n/a
1902 84 54 0.00 n/a
1901 75 54 0.00 n/a
What's the all-time high for Napa on 9/19?
For the date of Sep 19, the highest temperature ever reached in Napa history is 104 °F which happened in 1919.
Highest Temperatures in Napa on September 19
Rank Temperature Year
1 104 °F 1919
2 100 °F 1939
3 99 °F 1964
4 98 °F 1967
4 98 °F 1943
6 97 °F 2002
6 97 °F 1906
8 96 °F 2000
8 96 °F 1995
8 96 °F 1983
8 96 °F 1949
8 96 °F 1946
8 96 °F 1958
What's the all-time low for Napa on 9/19?
For the date of Sep 19, the lowest temperature ever reached in Napa history is 37 °F which happened in 1926.
Lowest Temperatures in Napa on September 19
Rank Temperature Year
1 37 °F 1926
2 40 °F 1920
2 40 °F 1932
2 40 °F 1965
5 41 °F 2005
5 41 °F 2008
5 41 °F 1955
8 42 °F 1971
8 42 °F 2012
8 42 °F 1961
Lowest High Temperatures in Napa on September 19
Rank Temperature Year
1 69 °F 1926
2 70 °F 2004
2 70 °F 1925
2 70 °F 1986
2 70 °F 1909
2 70 °F 2010
7 71 °F 1999
7 71 °F 1948
7 71 °F 2001
10 72 °F 1989
10 72 °F 1910
What's the most it has ever rained in Napa on 9/19?
For the date of Sep 19, the most precipitation ever recorded in Napa history is 0.51 inches which happened in 1977.
All-Time Most Precipitation in Napa on September 19
Rank Precipitation Year
1 0.51 inches 1977
2 0.50 inches 1959
3 0.48 inches 1989
4 0.14 inches 1956
5 0.09 inches 1984
6 0.07 inches 1986
7 0.04 inches 1921
8 0.03 inches 1948
9 0.01 inches 2004
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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