Napa September 25 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of September 25.
September 25 All-Time Records
1901–2024
Highest temperature 101 °F 1960
Lowest temperature 37 °F 2005
Lowest daily high 62 °F 1909
Highest daily low 63 °F 1997
Most precipitation 0.64 inches 1904
September 25 Average Weather
1991–2020 1
Average high 79.7 °F
Average low 49.4 °F
Chance precipitation 5.2%
Napa September 25 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 77 50 0.00 n/a
2022 77 53 0.00 n/a
2021 73 51 0.00 n/a
2020 82 47 0.00 n/a
2019 96 55 0.00 n/a
2018 76 46 0.00 n/a
2017 87 43 0.00 0.0
2016 99 49 0.00 n/a
2015 88 48 0.00 n/a
2014 74 55 0.23 n/a
2013 74 49 0.00 n/a
2012 73 47 0.00 n/a
2011 73 50 0.01 n/a
2010 95 47 0.00 n/a
2009 88 54 0.00 n/a
2008 87 61 0.00 n/a
2007 86 40 0.00 n/a
2006 89 45 0.00 n/a
2005 85 37 0.00 n/a
2004 76 45 0.00 n/a
2003 70 56 0.00 n/a
2002 81 46 0.00 n/a
2001 75 53 0.00 n/a
2000 86 47 0.00 n/a
1999 84 49 n/a n/a
1998 72 55 0.00 0.0
1997 85 63 0.00 0.0
1996 74 47 0.00 0.0
1995 80 55 0.00 0.0
1994 81 56 0.00 0.0
1993 92 48 0.00 0.0
1992 92 54 0.00 0.0
1991 92 57 0.01 0.0
1990 76 58 0.00 0.0
1989 77 52 0.00 0.0
1988 70 50 0.00 0.0
1987 73 54 0.00 0.0
1986 70 48 0.26 0.0
1985 84 54 0.00 0.0
1984 88 59 0.00 0.0
1983 79 56 0.00 0.0
1982 81 60 0.19 0.0
1981 77 53 0.12 0.0
1980 90 53 0.00 0.0
1979 72 55 0.00 0.0
1978 99 59 0.00 0.0
1977 81 48 0.00 0.0
1976 77 45 0.00 0.0
1975 97 54 0.00 0.0
1974 77 52 0.00 0.0
1973 88 53 0.00 0.0
1972 74 47 0.00 0.0
1971 74 55 0.00 0.0
1970 94 58 0.00 0.0
1969 94 50 0.00 0.0
1968 97 51 0.00 0.0
1967 82 57 0.00 0.0
1966 78 50 0.00 0.0
1965 73 52 0.00 0.0
1964 98 56 0.00 0.0
1963 100 53 0.00 0.0
1962 70 49 0.00 0.0
1961 91 48 0.00 0.0
1960 101 55 0.00 0.0
1959 89 53 0.00 0.0
1958 89 45 0.00 0.0
1957 n/a 50 0.00 0.0
1956 83 51 0.00 0.0
1955 82 46 0.00 0.0
1954 98 54 0.00 0.0
1953 75 55 0.00 0.0
1952 97 59 0.00 0.0
1951 76 44 0.00 0.0
1950 80 52 0.00 0.0
1949 73 44 0.00 0.0
1948 69 39 0.02 0.0
1947 85 45 0.00 n/a
1946 76 51 0.00 n/a
1945 91 45 0.00 n/a
1944 95 48 0.00 n/a
1943 74 59 0.00 n/a
1942 77 47 0.00 n/a
1941 72 45 0.00 n/a
1940 88 48 0.00 n/a
1939 79 55 0.00 n/a
1938 78 51 0.00 n/a
1937 96 49 0.00 n/a
1936 82 51 0.00 n/a
1935 70 50 0.00 n/a
1934 71 39 0.00 n/a
1933 n/a n/a 0.00 n/a
1932 86 40 0.00 n/a
1931 92 46 0.00 n/a
1930 80 44 0.00 n/a
1929 74 41 0.00 n/a
1928 70 47 0.00 n/a
1927 82 44 0.00 n/a
1926 77 46 0.00 n/a
1925 68 49 0.00 n/a
1924 78 48 0.00 n/a
1923 63 54 0.24 n/a
1922 87 48 0.00 n/a
1921 87 46 0.00 n/a
1920 75 42 0.00 n/a
1919 82 45 0.00 n/a
1918 81 45 0.00 n/a
1917 94 48 0.00 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 78 44 0.00 n/a
1913 81 49 0.00 n/a
1912 88 51 0.00 n/a
1911 68 46 0.00 n/a
1910 70 51 0.00 n/a
1909 62 58 0.21 n/a
1908 77 46 0.00 n/a
1907 73 55 0.00 n/a
1906 87 52 0.00 n/a
1905 87 50 0.00 n/a
1904 65 54 0.64 n/a
1903 87 49 0.00 n/a
1902 85 45 0.00 n/a
1901 69 46 0.04 n/a
What's the all-time high for Napa on 9/25?
For the date of Sep 25, the highest temperature ever reached in Napa history is 101 °F which happened in 1960.
Highest Temperatures in Napa on September 25
Rank Temperature Year
1 101 °F 1960
2 100 °F 1963
3 99 °F 1978
3 99 °F 2016
5 98 °F 1964
5 98 °F 1954
7 97 °F 1968
7 97 °F 1952
7 97 °F 1975
10 96 °F 2019
10 96 °F 1937
What's the all-time low for Napa on 9/25?
For the date of Sep 25, the lowest temperature ever reached in Napa history is 37 °F which happened in 2005.
Lowest Temperatures in Napa on September 25
Rank Temperature Year
1 37 °F 2005
2 39 °F 1934
2 39 °F 1948
4 40 °F 2007
4 40 °F 1932
6 41 °F 1929
7 42 °F 1920
8 43 °F 2017
9 44 °F 1927
9 44 °F 1914
9 44 °F 1951
9 44 °F 1949
9 44 °F 1930
Lowest High Temperatures in Napa on September 25
Rank Temperature Year
1 62 °F 1909
2 63 °F 1923
3 65 °F 1904
4 68 °F 1925
4 68 °F 1911
6 69 °F 1948
6 69 °F 1901
8 70 °F 2003
8 70 °F 1962
8 70 °F 1935
8 70 °F 1986
8 70 °F 1910
8 70 °F 1928
8 70 °F 1988
What's the most it has ever rained in Napa on 9/25?
For the date of Sep 25, the most precipitation ever recorded in Napa history is 0.64 inches which happened in 1904.
All-Time Most Precipitation in Napa on September 25
Rank Precipitation Year
1 0.64 inches 1904
2 0.26 inches 1986
3 0.24 inches 1923
4 0.23 inches 2014
5 0.21 inches 1909
6 0.19 inches 1982
7 0.12 inches 1981
8 0.04 inches 1901
9 0.02 inches 1948
10 0.01 inches 1991
10 0.01 inches 2011
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.
© H Brothers Inc, 2021–2024
Contact us | Privacy policy