Napa September 8 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of September 8.
September 8 All-Time Records
1901–2024
Highest temperature 108 °F 1904
Lowest temperature 42 °F 1928
Lowest daily high 66 °F 2006
Highest daily low 65 °F 1984
Most precipitation 0.16 inches 1930
September 8 Average Weather
1991–2020 1
Average high 81.1 °F
Average low 51.7 °F
Chance precipitation 2.0%
Napa September 8 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 84 53 0.00 n/a
2022 103 63 0.00 n/a
2021 88 57 0.00 n/a
2020 98 62 0.00 n/a
2019 80 47 0.00 n/a
2018 83 46 0.00 n/a
2017 78 59 0.00 0.0
2016 75 55 0.00 n/a
2015 96 49 0.00 n/a
2014 74 53 0.00 n/a
2013 86 50 0.00 n/a
2012 76 50 0.00 n/a
2011 77 47 0.00 n/a
2010 73 48 0.00 n/a
2009 78 45 0.00 n/a
2008 73 53 0.00 n/a
2007 78 51 0.00 n/a
2006 66 53 0.00 n/a
2005 69 55 0.00 n/a
2004 98 50 0.00 n/a
2003 81 48 0.00 n/a
2002 83 43 0.00 n/a
2001 71 46 0.00 n/a
2000 77 49 0.00 n/a
1999 76 55 0.01 n/a
1998 96 60 0.00 0.0
1997 85 60 0.00 0.0
1996 93 51 0.00 0.0
1995 89 55 0.00 0.0
1994 80 49 0.00 0.0
1993 92 54 0.00 0.0
1992 88 51 0.00 0.0
1991 73 57 0.00 0.0
1990 85 48 0.00 0.0
1989 77 52 0.00 0.0
1988 78 53 0.00 0.0
1987 91 51 0.00 0.0
1986 73 63 0.00 0.0
1985 70 55 0.00 0.0
1984 101 65 0.00 0.0
1983 76 57 0.00 0.0
1982 92 60 0.00 0.0
1981 82 54 0.00 0.0
1980 74 55 0.00 0.0
1979 86 53 0.00 0.0
1978 80 47 0.00 0.0
1977 95 53 0.00 0.0
1976 99 55 0.00 0.0
1975 69 52 0.00 0.0
1974 84 50 0.00 0.0
1973 96 59 0.00 0.0
1972 76 50 0.00 0.0
1971 95 53 0.00 0.0
1970 84 54 0.00 0.0
1969 96 62 0.00 0.0
1968 80 51 0.00 0.0
1967 82 52 0.00 0.0
1966 81 51 0.00 0.0
1965 80 45 0.00 0.0
1964 70 46 0.00 0.0
1963 84 56 0.00 0.0
1962 76 49 0.00 0.0
1961 70 47 0.00 0.0
1960 88 46 0.00 0.0
1959 76 54 0.00 0.0
1958 85 62 0.00 0.0
1957 n/a 55 0.00 0.0
1956 85 46 0.00 0.0
1955 89 47 0.00 0.0
1954 90 48 0.00 0.0
1953 80 50 0.00 0.0
1952 78 44 0.00 0.0
1951 93 53 0.00 0.0
1950 76 56 0.00 0.0
1949 86 55 0.00 0.0
1948 85 49 0.00 0.0
1947 85 51 0.00 n/a
1946 83 48 0.00 n/a
1945 95 53 0.00 n/a
1944 104 59 0.00 n/a
1943 71 55 0.00 n/a
1942 74 54 0.01 n/a
1941 84 53 0.00 n/a
1940 82 50 0.00 n/a
1939 93 46 0.00 n/a
1938 86 56 0.00 n/a
1937 71 52 0.00 n/a
1936 98 57 0.00 n/a
1935 73 51 0.00 n/a
1934 78 50 0.00 n/a
1933 n/a n/a 0.00 n/a
1932 100 44 0.00 n/a
1931 73 47 0.00 n/a
1930 72 52 0.16 n/a
1929 80 49 0.00 n/a
1928 71 42 0.00 n/a
1927 79 46 0.00 n/a
1926 77 43 0.00 n/a
1925 77 47 0.00 n/a
1924 77 45 0.00 n/a
1923 82 56 0.00 n/a
1922 98 50 0.00 n/a
1921 80 50 0.00 n/a
1920 68 47 0.00 n/a
1919 70 55 0.00 n/a
1918 73 48 0.00 n/a
1917 84 43 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 85 50 0.00 n/a
1913 72 56 0.00 n/a
1912 78 58 0.00 n/a
1911 68 52 0.00 n/a
1910 81 45 0.00 n/a
1909 88 54 n/a n/a
1908 89 51 0.00 n/a
1907 81 55 0.00 n/a
1906 83 54 0.00 n/a
1905 86 56 0.00 n/a
1904 108 63 0.00 n/a
1903 95 50 0.00 n/a
1902 83 55 0.00 n/a
1901 89 46 0.00 n/a
What's the all-time high for Napa on 9/8?
For the date of Sep 8, the highest temperature ever reached in Napa history is 108 °F which happened in 1904.
Highest Temperatures in Napa on September 8
Rank Temperature Year
1 108 °F 1904
2 104 °F 1944
3 103 °F 2022
4 101 °F 1984
5 100 °F 1932
6 99 °F 1976
7 98 °F 1922
7 98 °F 2004
7 98 °F 1936
7 98 °F 2020
What's the all-time low for Napa on 9/8?
For the date of Sep 8, the lowest temperature ever reached in Napa history is 42 °F which happened in 1928.
Lowest Temperatures in Napa on September 8
Rank Temperature Year
1 42 °F 1928
2 43 °F 2002
2 43 °F 1917
2 43 °F 1926
5 44 °F 1932
5 44 °F 1952
7 45 °F 1924
7 45 °F 2009
7 45 °F 1965
7 45 °F 1910
Lowest High Temperatures in Napa on September 8
Rank Temperature Year
1 66 °F 2006
2 68 °F 1911
2 68 °F 1920
4 69 °F 1975
4 69 °F 2005
6 70 °F 1919
6 70 °F 1961
6 70 °F 1964
6 70 °F 1985
10 71 °F 1928
10 71 °F 1937
10 71 °F 1943
10 71 °F 2001
What's the most it has ever rained in Napa on 9/8?
For the date of Sep 8, the most precipitation ever recorded in Napa history is 0.16 inches which happened in 1930.
All-Time Most Precipitation in Napa on September 8
Rank Precipitation Year
1 0.16 inches 1930
2 0.01 inches 1942
2 0.01 inches 1999
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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