Petaluma September 30 Weather Records

Daily averages and all-time records for weather in Petaluma, California for the date of September 30.
September 30 All-Time Records
1893–2024
Highest temperature 103 °F 1980
Lowest temperature 38 °F 1924
Lowest daily high 61 °F 1960
Highest daily low 61 °F 2018
Most precipitation 1.61 inches 1894
Most snow none -
September 30 Average Weather
1991–2020 1
Average high 80.0 °F
Average low 49.9 °F
Chance precipitation 6.1%
Chance snow 0%
Petaluma September 30 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 71 55 0.11 n/a
2022 n/a n/a 0.00 n/a
2021 88 47 0.00 n/a
2020 89 56 0.00 n/a
2019 66 44 0.00 n/a
2018 75 61 0.00 n/a
2017 78 45 0.00 n/a
2016 66 51 0.00 n/a
2015 69 54 0.00 n/a
2014 80 52 0.00 n/a
2013 74 48 0.10 n/a
2012 95 45 0.00 n/a
2011 71 61 0.00 n/a
2010 n/a 50 0.00 0.0
2009 75 44 0.00 0.0
2008 81 49 0.00 0.0
2007 77 42 0.00 0.0
2006 67 54 0.00 0.0
2005 91 47 0.00 0.0
2004 69 55 0.00 0.0
2003 80 47 0.00 0.0
2002 74 50 0.00 0.0
2001 95 47 0.00 0.0
2000 91 54 0.00 0.0
1999 95 51 0.00 0.0
1998 69 55 0.00 0.0
1997 91 56 0.00 0.0
1996 74 52 0.00 0.0
1995 83 49 0.00 0.0
1994 81 48 0.00 0.0
1993 82 48 0.00 0.0
1992 n/a 55 0.04 0.0
1991 n/a n/a n/a n/a
1990 90 53 0.00 0.0
1989 76 57 0.00 0.0
1988 97 49 0.00 0.0
1987 82 53 0.00 0.0
1986 80 43 0.00 0.0
1985 72 48 0.00 0.0
1984 n/a n/a 0.00 0.0
1983 n/a 57 0.10 0.0
1982 81 47 0.00 0.0
1981 91 45 0.00 0.0
1980 103 49 0.00 0.0
1979 93 51 0.00 0.0
1978 95 50 0.00 0.0
1977 79 45 0.00 0.0
1976 80 54 0.00 0.0
1975 73 50 0.00 0.0
1974 87 46 0.00 0.0
1973 76 52 0.00 0.0
1972 84 56 0.00 0.0
1971 70 46 0.00 0.0
1970 92 47 0.00 0.0
1969 82 52 0.00 0.0
1968 76 46 0.00 0.0
1967 76 55 0.00 0.0
1966 84 56 0.00 0.0
1965 90 47 0.00 0.0
1964 83 48 0.00 0.0
1963 84 47 0.00 0.0
1962 88 45 0.00 0.0
1961 90 40 0.00 0.0
1960 61 52 0.01 0.0
1959 78 42 0.00 0.0
1958 91 53 0.00 0.0
1957 74 54 0.00 0.0
1956 82 50 0.00 0.0
1955 85 41 0.00 0.0
1954 71 47 0.00 0.0
1953 74 45 0.00 0.0
1952 98 48 0.00 0.0
1951 69 54 0.00 0.0
1950 76 39 0.00 0.0
1949 86 50 0.00 0.0
1948 85 43 0.00 0.0
1947 64 55 0.00 0.0
1946 73 48 0.00 0.0
1945 86 44 0.00 0.0
1944 75 51 0.00 0.0
1943 92 51 0.00 0.0
1942 83 48 0.00 n/a
1941 91 45 0.00 n/a
1940 87 47 0.00 n/a
1939 76 49 0.00 n/a
1938 82 53 0.00 n/a
1937 70 46 0.00 n/a
1936 76 44 0.00 n/a
1935 85 50 0.00 0.0
1934 94 44 0.00 n/a
1933 98 47 0.00 n/a
1932 81 51 0.00 n/a
1931 84 48 0.00 n/a
1930 63 45 0.00 n/a
1929 89 54 n/a n/a
1928 74 49 0.00 n/a
1927 81 54 n/a n/a
1926 73 39 0.00 n/a
1925 82 39 0.00 n/a
1924 99 38 0.00 0.0
1923 94 47 0.00 n/a
1922 84 39 n/a n/a
1921 79 55 0.00 n/a
1920 70 55 0.00 n/a
1919 65 45 0.00 n/a
1918 66 48 0.00 n/a
1917 77 49 0.00 n/a
1916 70 52 0.06 n/a
1915 91 41 n/a n/a
1914 69 47 0.00 n/a
1913 89 53 0.00 n/a
1912 n/a n/a n/a n/a
1911 n/a n/a n/a n/a
1910 n/a n/a n/a n/a
1909 n/a n/a n/a n/a
1908 n/a n/a n/a n/a
1907 n/a n/a n/a n/a
1906 n/a n/a n/a n/a
1905 n/a n/a n/a n/a
1904 n/a n/a n/a n/a
1903 n/a n/a n/a n/a
1902 n/a n/a n/a n/a
1901 n/a n/a n/a n/a
1900 n/a n/a n/a n/a
1899 n/a n/a n/a n/a
1898 n/a n/a n/a n/a
1897 n/a n/a n/a n/a
1896 n/a n/a n/a n/a
1895 n/a n/a 0.00 n/a
1894 n/a n/a 1.61 n/a
1893 n/a n/a n/a n/a
What's the all-time high for Petaluma on 9/30?
For the date of Sep 30, the highest temperature ever reached in Petaluma history is 103 °F which happened in 1980.
Highest Temperatures in Petaluma on September 30
Rank Temperature Year
1 103 °F 1980
2 99 °F 1924
3 98 °F 1933
3 98 °F 1952
5 97 °F 1988
6 95 °F 2001
6 95 °F 1999
6 95 °F 2012
6 95 °F 1978
10 94 °F 1923
10 94 °F 1934
What's the all-time low for Petaluma on 9/30?
For the date of Sep 30, the lowest temperature ever reached in Petaluma history is 38 °F which happened in 1924.
Lowest Temperatures in Petaluma on September 30
Rank Temperature Year
1 38 °F 1924
2 39 °F 1922
2 39 °F 1950
2 39 °F 1926
2 39 °F 1925
6 40 °F 1961
7 41 °F 1955
7 41 °F 1915
9 42 °F 2007
9 42 °F 1959
Lowest High Temperatures in Petaluma on September 30
Rank Temperature Year
1 61 °F 1960
2 63 °F 1930
3 64 °F 1947
4 65 °F 1919
5 66 °F 1918
5 66 °F 2016
5 66 °F 2019
8 67 °F 2006
9 69 °F 2015
9 69 °F 1914
9 69 °F 1951
9 69 °F 1998
9 69 °F 2004
What's the most it has ever rained in Petaluma on 9/30?
For the date of Sep 30, the most precipitation ever recorded in Petaluma history is 1.61 inches which happened in 1894.
All-Time Most Precipitation in Petaluma on September 30
Rank Precipitation Year
1 1.61 inches 1894
2 0.11 inches 2023
3 0.10 inches 1983
3 0.10 inches 2013
5 0.06 inches 1916
6 0.04 inches 1992
7 0.01 inches 1960
Weather Station Details
Years Station Coordinates
1893–2024 Petaluma Airport 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