Napa September 26 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of September 26.
September 26 All-Time Records
1901–2024
Highest temperature 105 °F 1963
Lowest temperature 38 °F 1929
Lowest daily high 64 °F 1928
Highest daily low 59 °F 2019
Most precipitation 1.01 inches 1972
September 26 Average Weather
1991–2020 1
Average high 79.5 °F
Average low 49.2 °F
Chance precipitation 5.5%
Napa September 26 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 82 55 0.04 n/a
2022 75 50 0.00 n/a
2021 74 55 0.00 n/a
2020 87 52 0.00 n/a
2019 78 59 0.00 n/a
2018 84 43 0.00 n/a
2017 95 47 0.00 0.0
2016 99 54 0.00 n/a
2015 79 52 0.00 n/a
2014 77 49 0.04 n/a
2013 78 43 0.00 n/a
2012 70 53 0.00 n/a
2011 80 44 0.00 n/a
2010 94 50 0.00 n/a
2009 99 50 0.00 n/a
2008 87 48 0.00 n/a
2007 91 46 0.00 n/a
2006 72 50 0.00 n/a
2005 78 46 0.00 n/a
2004 86 44 0.00 n/a
2003 73 55 0.00 n/a
2002 69 47 0.00 n/a
2001 84 47 0.00 n/a
2000 76 49 0.00 n/a
1999 n/a n/a 0.00 n/a
1998 67 55 0.00 0.0
1997 84 59 0.00 0.0
1996 73 47 0.00 0.0
1995 78 51 0.00 0.0
1994 82 55 0.00 0.0
1993 94 48 0.00 0.0
1992 95 53 0.00 0.0
1991 78 55 0.00 0.0
1990 74 53 0.00 0.0
1989 75 55 0.00 0.0
1988 77 46 0.00 0.0
1987 81 50 0.00 0.0
1986 69 54 0.00 0.0
1985 79 54 0.00 0.0
1984 94 51 0.00 0.0
1983 77 58 0.00 0.0
1982 74 53 0.00 0.0
1981 82 53 0.00 0.0
1980 81 53 0.00 0.0
1979 83 50 0.00 0.0
1978 87 54 0.00 0.0
1977 76 50 0.00 0.0
1976 73 56 0.00 0.0
1975 88 48 0.00 0.0
1974 72 55 0.00 0.0
1973 90 59 0.00 0.0
1972 68 59 1.01 0.0
1971 71 51 0.07 0.0
1970 96 53 0.00 0.0
1969 87 56 0.00 0.0
1968 95 50 0.00 0.0
1967 86 53 0.00 0.0
1966 81 52 0.00 0.0
1965 70 49 0.00 0.0
1964 71 54 0.00 0.0
1963 105 58 0.00 0.0
1962 69 48 0.00 0.0
1961 94 48 0.00 0.0
1960 88 55 0.00 0.0
1959 90 52 0.00 0.0
1958 100 51 0.00 0.0
1957 n/a 49 0.00 0.0
1956 78 48 0.00 0.0
1955 78 40 0.00 0.0
1954 94 55 0.00 0.0
1953 73 44 0.00 0.0
1952 91 56 0.00 0.0
1951 74 48 0.00 0.0
1950 80 50 0.00 0.0
1949 73 50 0.00 0.0
1948 75 50 0.00 0.0
1947 79 52 0.00 n/a
1946 79 51 0.00 n/a
1945 87 45 0.00 n/a
1944 98 50 0.00 n/a
1943 82 50 0.00 n/a
1942 75 46 0.00 n/a
1941 70 52 0.00 n/a
1940 76 51 0.00 n/a
1939 77 53 0.03 n/a
1938 77 53 0.00 n/a
1937 97 50 0.00 n/a
1936 90 45 0.00 n/a
1935 73 51 0.00 n/a
1934 76 40 0.00 n/a
1933 n/a n/a 0.00 n/a
1932 82 39 0.00 n/a
1931 87 43 0.00 n/a
1930 85 44 0.00 n/a
1929 74 38 0.00 n/a
1928 64 52 0.00 n/a
1927 76 48 0.00 n/a
1926 78 41 0.00 n/a
1925 73 49 0.00 n/a
1924 84 50 0.00 n/a
1923 72 42 0.00 n/a
1922 86 48 0.00 n/a
1921 97 50 0.00 n/a
1920 82 45 0.00 n/a
1919 73 45 0.00 n/a
1918 77 48 0.00 n/a
1917 91 49 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 75 48 0.00 n/a
1913 86 51 0.00 n/a
1912 80 51 0.00 n/a
1911 72 43 0.00 n/a
1910 74 50 0.00 n/a
1909 73 56 0.30 n/a
1908 91 47 0.00 n/a
1907 79 49 0.00 n/a
1906 90 54 0.00 n/a
1905 87 56 0.00 n/a
1904 72 49 0.82 n/a
1903 78 49 0.00 n/a
1902 n/a 50 0.00 n/a
1901 77 47 0.00 n/a
What's the all-time high for Napa on 9/26?
For the date of Sep 26, the highest temperature ever reached in Napa history is 105 °F which happened in 1963.
Highest Temperatures in Napa on September 26
Rank Temperature Year
1 105 °F 1963
2 100 °F 1958
3 99 °F 2009
3 99 °F 2016
5 98 °F 1944
6 97 °F 1921
6 97 °F 1937
8 96 °F 1970
9 95 °F 2017
9 95 °F 1992
9 95 °F 1968
What's the all-time low for Napa on 9/26?
For the date of Sep 26, the lowest temperature ever reached in Napa history is 38 °F which happened in 1929.
Lowest Temperatures in Napa on September 26
Rank Temperature Year
1 38 °F 1929
2 39 °F 1932
3 40 °F 1934
3 40 °F 1955
5 41 °F 1926
6 42 °F 1923
7 43 °F 1911
7 43 °F 1931
7 43 °F 2018
7 43 °F 2013
Lowest High Temperatures in Napa on September 26
Rank Temperature Year
1 64 °F 1928
2 67 °F 1998
3 68 °F 1972
4 69 °F 2002
4 69 °F 1962
4 69 °F 1986
7 70 °F 1941
7 70 °F 1965
7 70 °F 2012
10 71 °F 1964
10 71 °F 1971
What's the most it has ever rained in Napa on 9/26?
For the date of Sep 26, the most precipitation ever recorded in Napa history is 1.01 inches which happened in 1972.
All-Time Most Precipitation in Napa on September 26
Rank Precipitation Year
1 1.01 inches 1972
2 0.82 inches 1904
3 0.30 inches 1909
4 0.07 inches 1971
5 0.04 inches 2023
5 0.04 inches 2014
7 0.03 inches 1939
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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