Napa September 29 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of September 29.
September 29 All-Time Records
1901–2024
Highest temperature 101 °F 1966
Lowest temperature 35 °F 2019
Lowest daily high 61 °F 1911
Highest daily low 59 °F 1989
Most precipitation 0.48 inches 1930
September 29 Average Weather
1991–2020 1
Average high 79.4 °F
Average low 48.6 °F
Chance precipitation 5.5%
Napa September 29 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 79 50 0.00 n/a
2022 85 51 0.00 n/a
2021 79 42 0.00 n/a
2020 83 54 0.00 n/a
2019 71 35 0.00 n/a
2018 72 49 0.00 n/a
2017 74 46 0.00 0.0
2016 73 51 0.00 n/a
2015 70 51 0.00 n/a
2014 73 47 0.00 n/a
2013 73 53 0.00 n/a
2012 77 52 0.00 n/a
2011 76 52 0.00 n/a
2010 87 53 0.00 n/a
2009 75 48 0.00 n/a
2008 73 54 0.00 n/a
2007 77 37 0.00 n/a
2006 67 51 0.00 n/a
2005 91 42 0.00 n/a
2004 66 55 0.00 n/a
2003 79 49 0.00 n/a
2002 73 43 0.00 n/a
2001 84 42 0.00 n/a
2000 78 54 0.00 n/a
1999 96 49 0.00 n/a
1998 62 54 0.02 0.0
1997 97 58 0.00 0.0
1996 77 50 0.00 0.0
1995 80 50 0.00 0.0
1994 77 50 0.00 0.0
1993 82 54 0.00 0.0
1992 87 54 0.00 0.0
1991 96 53 0.00 0.0
1990 79 56 0.00 0.0
1989 73 59 0.19 0.0
1988 97 51 0.00 0.0
1987 91 50 0.00 0.0
1986 80 50 0.00 0.0
1985 69 53 0.00 0.0
1984 85 51 0.00 0.0
1983 74 57 0.00 0.0
1982 75 52 0.00 0.0
1981 81 49 0.00 0.0
1980 95 51 0.00 0.0
1979 86 51 0.00 0.0
1978 98 57 0.00 0.0
1977 69 58 0.01 0.0
1976 81 54 0.11 0.0
1975 79 52 0.00 0.0
1974 80 50 0.00 0.0
1973 91 58 0.00 0.0
1972 88 52 0.00 0.0
1971 68 42 0.00 0.0
1970 95 52 0.00 0.0
1969 87 57 0.00 0.0
1968 73 52 0.00 0.0
1967 76 55 0.00 0.0
1966 101 59 0.00 0.0
1965 88 45 0.00 0.0
1964 71 46 0.00 0.0
1963 84 52 0.00 0.0
1962 82 52 0.19 0.0
1961 80 45 0.00 0.0
1960 71 47 0.00 0.0
1959 83 49 0.00 0.0
1958 85 51 0.00 0.0
1957 n/a 54 0.09 0.0
1956 90 50 0.00 0.0
1955 80 50 0.00 0.0
1954 71 45 0.00 0.0
1953 78 46 0.00 0.0
1952 86 49 0.00 0.0
1951 76 59 0.00 0.0
1950 75 42 0.00 0.0
1949 81 50 0.00 0.0
1948 81 48 0.00 0.0
1947 78 46 0.00 n/a
1946 92 51 0.00 n/a
1945 90 47 0.00 n/a
1944 81 48 0.00 n/a
1943 92 45 0.00 n/a
1942 85 45 0.00 n/a
1941 84 46 0.00 n/a
1940 87 50 0.00 n/a
1939 79 47 0.00 n/a
1938 78 49 0.00 n/a
1937 73 44 0.00 n/a
1936 80 42 0.00 n/a
1935 76 50 0.00 n/a
1934 98 53 0.00 n/a
1933 n/a n/a 0.00 n/a
1932 70 41 0.00 n/a
1931 79 45 0.00 n/a
1930 70 42 0.48 n/a
1929 65 38 0.00 n/a
1928 73 49 0.00 n/a
1927 81 50 0.00 n/a
1926 67 48 0.00 n/a
1925 73 52 0.00 n/a
1924 72 45 0.00 n/a
1923 83 50 0.00 n/a
1922 86 43 0.00 n/a
1921 95 52 0.00 n/a
1920 86 49 0.00 n/a
1919 68 45 0.12 n/a
1918 78 53 0.00 n/a
1917 92 50 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 64 56 0.00 n/a
1913 85 50 0.00 n/a
1912 81 52 0.00 n/a
1911 61 50 0.00 n/a
1910 91 48 0.00 n/a
1909 71 55 n/a n/a
1908 98 52 0.00 n/a
1907 84 48 0.00 n/a
1906 76 52 0.00 n/a
1905 78 50 0.00 n/a
1904 94 57 0.00 n/a
1903 64 46 0.00 n/a
1902 94 55 0.00 n/a
1901 71 48 0.00 n/a
What's the all-time high for Napa on 9/29?
For the date of Sep 29, the highest temperature ever reached in Napa history is 101 °F which happened in 1966.
Highest Temperatures in Napa on September 29
Rank Temperature Year
1 101 °F 1966
2 98 °F 1908
2 98 °F 1934
2 98 °F 1978
5 97 °F 1997
5 97 °F 1988
7 96 °F 1999
7 96 °F 1991
9 95 °F 1980
9 95 °F 1921
9 95 °F 1970
What's the all-time low for Napa on 9/29?
For the date of Sep 29, the lowest temperature ever reached in Napa history is 35 °F which happened in 2019.
Lowest Temperatures in Napa on September 29
Rank Temperature Year
1 35 °F 2019
2 37 °F 2007
3 38 °F 1929
4 41 °F 1932
5 42 °F 1950
5 42 °F 1971
5 42 °F 2005
5 42 °F 1936
5 42 °F 2001
5 42 °F 2021
5 42 °F 1930
Lowest High Temperatures in Napa on September 29
Rank Temperature Year
1 61 °F 1911
2 62 °F 1998
3 64 °F 1903
3 64 °F 1914
5 65 °F 1929
6 66 °F 2004
7 67 °F 2006
7 67 °F 1926
9 68 °F 1971
9 68 °F 1919
What's the most it has ever rained in Napa on 9/29?
For the date of Sep 29, the most precipitation ever recorded in Napa history is 0.48 inches which happened in 1930.
All-Time Most Precipitation in Napa on September 29
Rank Precipitation Year
1 0.48 inches 1930
2 0.19 inches 1962
2 0.19 inches 1989
4 0.12 inches 1919
5 0.11 inches 1976
6 0.09 inches 1957
7 0.02 inches 1998
8 0.01 inches 1977
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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