Napa September 24 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of September 24.
September 24 All-Time Records
1901–2024
Highest temperature 104 °F 1964
Lowest temperature 39 °F 1932
Lowest daily high 62 °F 1923
Highest daily low 63 °F 1982
Most precipitation 1.35 inches 1904
September 24 Average Weather
1991–2020 1
Average high 79.7 °F
Average low 49.5 °F
Chance precipitation 4.7%
Napa September 24 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 74 48 0.00 n/a
2022 91 51 0.00 n/a
2021 78 52 0.00 n/a
2020 87 52 0.00 n/a
2019 96 54 0.00 n/a
2018 83 42 0.00 n/a
2017 88 40 0.00 0.0
2016 90 50 0.00 n/a
2015 90 52 0.00 n/a
2014 79 60 0.00 n/a
2013 80 52 0.00 n/a
2012 76 48 0.00 n/a
2011 76 54 0.00 n/a
2010 88 46 0.00 n/a
2009 74 50 0.00 n/a
2008 88 45 0.00 n/a
2007 82 43 0.00 n/a
2006 83 47 0.00 n/a
2005 79 40 0.00 n/a
2004 91 48 0.00 n/a
2003 74 56 0.00 n/a
2002 84 43 0.00 n/a
2001 75 51 0.30 n/a
2000 82 45 0.00 n/a
1999 70 51 0.00 n/a
1998 72 53 0.00 0.0
1997 99 59 0.00 0.0
1996 71 49 0.00 0.0
1995 78 57 0.00 0.0
1994 78 53 0.00 0.0
1993 91 45 0.00 0.0
1992 84 52 0.00 0.0
1991 94 51 0.00 0.0
1990 81 57 0.00 0.0
1989 76 56 0.00 0.0
1988 80 46 0.00 0.0
1987 76 53 0.00 0.0
1986 68 51 0.62 0.0
1985 93 53 0.00 0.0
1984 82 43 0.00 0.0
1983 82 50 0.00 0.0
1982 82 63 0.26 0.0
1981 74 45 0.05 0.0
1980 92 52 0.00 0.0
1979 87 55 0.00 0.0
1978 100 55 0.00 0.0
1977 76 58 0.00 0.0
1976 79 48 0.00 0.0
1975 98 55 0.00 0.0
1974 80 47 0.00 0.0
1973 74 56 0.04 0.0
1972 78 47 0.00 0.0
1971 75 49 0.00 0.0
1970 95 49 0.00 0.0
1969 85 52 0.00 0.0
1968 94 51 0.00 0.0
1967 82 54 0.00 0.0
1966 79 50 0.00 0.0
1965 73 43 0.00 0.0
1964 104 56 0.00 0.0
1963 95 49 0.00 0.0
1962 85 49 0.00 0.0
1961 87 45 0.00 0.0
1960 98 49 0.00 0.0
1959 85 50 0.00 0.0
1958 82 50 0.00 0.0
1957 n/a 49 0.00 0.0
1956 84 51 0.00 0.0
1955 78 45 0.00 0.0
1954 98 53 0.00 0.0
1953 82 48 0.00 0.0
1952 95 52 0.00 0.0
1951 74 48 0.00 0.0
1950 79 50 0.00 0.0
1949 78 43 0.00 0.0
1948 72 41 0.00 0.0
1947 n/a n/a 0.00 n/a
1946 85 50 0.00 n/a
1945 86 42 0.00 n/a
1944 92 47 0.00 n/a
1943 72 57 0.00 n/a
1942 74 52 0.00 n/a
1941 78 43 0.00 n/a
1940 82 48 0.00 n/a
1939 83 60 0.00 n/a
1938 80 53 0.00 n/a
1937 92 45 0.00 n/a
1936 100 50 0.00 n/a
1935 75 51 0.00 n/a
1934 69 43 0.00 n/a
1933 n/a n/a 0.00 n/a
1932 89 39 0.00 n/a
1931 85 43 0.00 n/a
1930 74 55 0.18 n/a
1929 81 42 0.00 n/a
1928 68 43 0.00 n/a
1927 76 44 0.00 n/a
1926 88 44 0.00 n/a
1925 72 45 0.00 n/a
1924 73 44 0.00 n/a
1923 62 46 0.00 n/a
1922 87 48 0.00 n/a
1921 83 47 0.00 n/a
1920 73 41 0.00 n/a
1919 88 47 0.00 n/a
1918 81 45 0.00 n/a
1917 82 41 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 63 47 0.00 n/a
1913 79 55 0.00 n/a
1912 84 53 0.00 n/a
1911 65 47 0.00 n/a
1910 74 50 0.00 n/a
1909 64 59 n/a n/a
1908 80 50 0.00 n/a
1907 76 46 0.00 n/a
1906 89 50 0.14 n/a
1905 76 54 0.00 n/a
1904 66 55 1.35 n/a
1903 89 48 0.00 n/a
1902 72 50 0.00 n/a
1901 72 44 0.24 n/a
What's the all-time high for Napa on 9/24?
For the date of Sep 24, the highest temperature ever reached in Napa history is 104 °F which happened in 1964.
Highest Temperatures in Napa on September 24
Rank Temperature Year
1 104 °F 1964
2 100 °F 1978
2 100 °F 1936
4 99 °F 1997
5 98 °F 1954
5 98 °F 1975
5 98 °F 1960
8 96 °F 2019
9 95 °F 1952
9 95 °F 1970
9 95 °F 1963
What's the all-time low for Napa on 9/24?
For the date of Sep 24, the lowest temperature ever reached in Napa history is 39 °F which happened in 1932.
Lowest Temperatures in Napa on September 24
Rank Temperature Year
1 39 °F 1932
2 40 °F 2017
2 40 °F 2005
4 41 °F 1948
4 41 °F 1917
4 41 °F 1920
7 42 °F 2018
7 42 °F 1929
7 42 °F 1945
10 43 °F 1931
10 43 °F 1965
10 43 °F 2002
10 43 °F 2007
10 43 °F 1984
10 43 °F 1941
10 43 °F 1928
10 43 °F 1934
10 43 °F 1949
Lowest High Temperatures in Napa on September 24
Rank Temperature Year
1 62 °F 1923
2 63 °F 1914
3 64 °F 1909
4 65 °F 1911
5 66 °F 1904
6 68 °F 1986
6 68 °F 1928
8 69 °F 1934
9 70 °F 1999
10 71 °F 1996
What's the most it has ever rained in Napa on 9/24?
For the date of Sep 24, the most precipitation ever recorded in Napa history is 1.35 inches which happened in 1904.
All-Time Most Precipitation in Napa on September 24
Rank Precipitation Year
1 1.35 inches 1904
2 0.62 inches 1986
3 0.30 inches 2001
4 0.26 inches 1982
5 0.24 inches 1901
6 0.18 inches 1930
7 0.14 inches 1906
8 0.05 inches 1981
9 0.04 inches 1973
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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