New Jersey September Temperature by Year

This page is a list of the average statewide temperature in the month of September in New Jersey for each year from 1895–2023. It is a statewide average over the entire territory of the state, based on data from the NOAA.
State:
Month:
What Was the Hottest September in New Jersey History?
1961 was the warmest September in New Jersey history. Statewide, the average daily high temperature was 81.2 °F, and the average low was 60.4 °F.
What Was the Coldest September in New Jersey History?
1917 was the coolest September in New Jersey history. Statewide, the average daily high temperature was 70.9 °F, and the average low was 49.5 °F.
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Year Rank High (°F) Low (°F)
2023 25 76.9 58.4
2022 22 78.2 57.3
2021 11 78.5 59.1
2020 36 76.6 56.9
2019 9 80.1 57.8
2018 3 77.6 62.8
2017 13 78.2 58.3
2016 5 80.4 59.1
2015 2 81.6 59.8
2014 33 77.4 56.4
2013 86 75.8 52.9
2012 31 77.2 56.7
2011 10 76.8 61.0
2010 7 80.4 57.9
2009 80 74.0 55.4
2008 28 77.3 57.4
2007 19 79.6 56.3
2006 93 73.7 54.9
2005 3 82.5 57.9
2004 26 77.4 57.8
2003 33 75.6 58.3
2002 22 79.0 56.7
2001 77 76.2 53.3
2000 86 74.7 54.1
1999 29 76.4 58.0
1998 13 79.8 56.8
1997 86 75.2 53.6
1996 47 75.7 56.8
1995 59 76.3 54.6
1994 94 74.9 53.6
1993 72 74.8 55.5
1992 77 74.4 55.3
1991 77 76.5 53.0
1990 97 74.5 53.4
1989 50 76.1 55.9
1988 107 74.6 52.3
1987 62 74.9 55.9
1986 85 74.3 54.8
1985 38 77.7 55.7
1984 116 74.3 50.8
1983 38 79.3 54.1
1982 86 74.6 54.1
1981 86 74.0 54.8
1980 13 79.8 56.6
1979 67 75.2 55.2
1978 107 74.4 52.3
1977 42 75.8 57.5
1976 101 75.2 52.2
1975 121 71.7 52.8
1974 86 74.5 54.2
1973 43 77.9 55.0
1972 52 76.3 55.5
1971 20 76.1 59.7
1970 22 79.5 56.1
1969 67 76.0 54.5
1968 45 78.8 54.1
1967 113 74.3 51.2
1966 110 72.9 53.5
1965 43 76.8 56.1
1964 65 77.4 53.3
1963 126 72.1 49.8
1962 124 71.9 50.9
1961 1 81.2 60.4
1960 72 74.6 55.6
1959 16 79.6 56.7
1958 94 75.8 52.6
1957 38 77.4 56.0
1956 116 73.0 52.1
1955 83 75.1 54.1
1954 72 75.3 55.0
1953 49 78.5 53.7
1952 72 77.0 53.2
1951 80 76.8 52.7
1950 123 70.8 52.6
1949 113 73.6 51.7
1948 65 77.6 52.9
1947 52 76.4 55.4
1946 45 78.1 54.8
1945 20 77.8 57.9
1944 52 76.0 55.7
1943 100 75.9 51.7
1942 67 76.0 54.4
1941 38 80.1 53.3
1940 120 73.9 50.6
1939 67 76.8 53.6
1938 116 73.0 52.0
1937 121 74.0 50.3
1936 56 76.2 55.4
1935 119 73.3 51.4
1934 47 75.2 57.2
1933 31 76.6 57.4
1932 62 77.5 53.4
1931 6 80.5 58.6
1930 12 79.9 57.2
1929 50 77.4 54.5
1928 124 70.8 52.1
1927 83 76.4 52.8
1926 103 73.1 54.1
1925 36 77.1 56.6
1924 128 71.2 50.5
1923 59 75.8 55.2
1922 59 77.0 54.0
1921 8 79.9 58.2
1920 57 76.2 55.0
1919 80 75.5 54.0
1918 127 71.9 49.9
1917 129 70.9 49.5
1916 97 76.0 51.8
1915 30 78.1 56.1
1914 113 76.2 49.2
1913 107 73.4 53.4
1912 76 74.0 55.8
1911 67 74.8 55.6
1910 52 76.2 55.6
1909 111 73.6 52.5
1908 86 75.4 53.4
1907 57 74.5 56.6
1906 27 77.5 57.4
1905 94 74.2 54.2
1904 104 73.9 53.0
1903 101 74.2 53.2
1902 104 72.8 54.2
1901 62 76.0 54.9
1900 16 78.3 58.0
1899 112 73.4 52.1
1898 33 77.9 55.9
1897 97 75.3 52.5
1896 104 73.8 53.2
1895 16 80.2 56.0