Trenton September 20 Weather Records

Daily averages and all-time records for weather in Trenton, New Jersey for the date of September 20.
September 20 All-Time Records
1865–2024
Highest temperature 94 °F 1895
Lowest temperature 35 °F 1993
Lowest daily high 59 °F 1901
Highest daily low 72 °F 1989
Most precipitation 5.32 inches 1874
Most snow none -
September 20 Average Weather
1991–2020 1
Average high 75.8 °F
Average low 55.6 °F
Chance precipitation 30.1%
Chance snow 0%
Trenton September 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 75 51 0.00 0.0
2022 79 62 0.00 0.0
2021 77 52 0.00 0.0
2020 63 42 0.00 0.0
2019 78 46 0.00 0.0
2018 72 65 0.00 0.0
2017 83 69 0.00 0.0
2016 82 67 0.00 0.0
2015 79 59 0.00 0.0
2014 77 52 0.00 0.0
2013 79 50 0.00 0.0
2012 72 50 0.00 0.0
2011 72 60 0.01 0.0
2010 77 56 0.00 0.0
2009 73 44 0.00 0.0
2008 71 48 0.00 0.0
2007 80 51 0.00 0.0
2006 70 54 0.00 0.0
2005 84 66 0.00 0.0
2004 71 46 0.00 0.0
2003 81 63 0.00 0.0
2002 82 60 0.00 0.0
2001 71 64 0.18 0.0
2000 83 57 0.00 0.0
1999 73 52 0.00 0.0
1998 84 61 0.00 0.0
1997 84 57 0.00 0.0
1996 76 49 0.00 0.0
1995 73 57 0.00 0.0
1994 79 43 0.00 0.0
1993 66 35 0.00 0.0
1992 78 46 0.00 0.0
1991 67 46 0.01 0.0
1990 69 52 0.00 0.0
1989 79 72 2.60 0.0
1988 81 66 0.02 0.0
1987 63 53 0.00 0.0
1986 77 52 0.00 0.0
1985 89 51 0.00 0.0
1984 84 51 0.00 0.0
1983 92 62 0.00 0.0
1982 64 53 0.45 0.0
1981 74 58 0.00 0.0
1980 80 51 0.00 0.0
1979 66 35 0.00 0.0
1978 76 57 0.00 0.0
1977 76 57 0.43 0.0
1976 80 61 0.06 0.0
1975 80 65 0.47 0.0
1974 81 66 0.00 0.0
1973 73 50 0.00 0.0
1972 61 58 0.00 0.0
1971 79 64 0.00 0.0
1970 77 56 0.00 0.0
1969 63 55 0.00 0.0
1968 83 56 0.00 0.0
1967 83 64 0.00 0.0
1966 62 58 0.40 0.0
1965 85 65 0.00 0.0
1964 66 54 0.00 0.0
1963 83 56 0.68 0.0
1962 60 45 0.00 0.0
1961 74 64 0.34 0.0
1960 65 59 0.01 0.0
1959 72 50 0.00 0.0
1958 68 59 0.00 0.0
1957 78 61 0.00 0.0
1956 60 46 0.13 0.0
1955 84 64 0.10 0.0
1954 72 64 0.02 0.0
1953 81 64 0.12 0.0
1952 74 60 0.00 0.0
1951 84 58 0.00 0.0
1950 65 58 0.00 0.0
1949 69 54 0.00 0.0
1948 81 66 0.00 0.0
1947 62 54 0.07 0.0
1946 83 62 0.00 0.0
1945 70 59 0.00 0.0
1944 80 65 0.00 0.0
1943 69 50 0.00 0.0
1942 79 55 0.00 0.0
1941 70 50 0.00 0.0
1940 85 62 0.00 0.0
1939 76 53 0.00 0.0
1938 69 61 2.27 0.0
1937 66 48 0.00 0.0
1936 71 56 0.93 0.0
1935 77 60 0.00 0.0
1934 77 52 0.00 0.0
1933 84 62 0.01 0.0
1932 81 58 0.00 0.0
1931 75 61 0.04 0.0
1930 82 52 0.00 0.0
1929 61 44 0.00 0.0
1928 80 62 0.16 0.0
1927 74 55 0.00 0.0
1926 83 60 0.00 0.0
1925 80 57 0.00 0.0
1924 66 55 0.00 0.0
1923 79 64 0.00 0.0
1922 72 54 0.00 0.0
1921 75 56 0.00 0.0
1920 70 44 0.00 0.0
1919 84 65 0.00 0.0
1918 70 46 0.75 0.0
1917 80 58 0.00 0.0
1916 73 46 0.00 0.0
1915 80 60 0.00 0.0
1914 80 53 0.00 0.0
1913 65 56 0.32 0.0
1912 80 54 0.00 0.0
1911 n/a n/a n/a n/a
1910 77 56 0.06 0.0
1909 70 55 0.00 0.0
1908 70 60 0.00 0.0
1907 73 56 0.00 0.0
1906 82 70 0.27 0.0
1905 80 68 0.40 0.0
1904 74 65 0.00 0.0
1903 66 53 0.00 0.0
1902 78 66 0.22 0.0
1901 59 50 0.00 0.0
1900 71 51 0.00 0.0
1899 79 66 0.00 0.0
1898 77 56 0.00 0.0
1897 68 62 0.00 0.0
1896 69 51 0.00 0.0
1895 94 62 0.00 0.0
1894 80 66 0.70 0.0
1893 80 65 0.00 0.0
1892 70 n/a 0.00 0.0
1891 75 n/a 0.00 0.0
1890 77 n/a 0.00 0.0
1889 68 n/a 0.15 0.0
1888 78 n/a 0.00 0.0
1887 72 n/a 0.00 0.0
1886 n/a n/a n/a n/a
1885 n/a n/a n/a n/a
1884 n/a n/a n/a n/a
1883 n/a n/a n/a n/a
1882 n/a n/a n/a n/a
1881 n/a n/a n/a n/a
1880 88 n/a 0.00 0.0
1879 71 n/a 0.00 0.0
1878 83 n/a 0.00 0.0
1877 73 n/a 0.00 0.0
1876 74 n/a 0.00 0.0
1875 64 n/a 0.00 0.0
1874 72 n/a 5.32 0.0
1873 64 n/a 0.00 0.0
1872 68 n/a 0.00 0.0
1871 60 n/a 0.01 0.0
1870 74 n/a 0.00 0.0
1869 85 n/a 0.00 0.0
1868 68 n/a 0.29 0.0
1867 76 n/a 0.00 0.0
1866 70 n/a 0.35 0.0
1865 74 n/a 0.00 0.0
What's the all-time high for Trenton on 9/20?
For the date of Sep 20, the highest temperature ever reached in Trenton history is 94 °F which happened in 1895.
Highest Temperatures in Trenton on September 20
Rank Temperature Year
1 94 °F 1895
2 92 °F 1983
3 89 °F 1985
4 88 °F 1880
5 85 °F 1940
5 85 °F 1965
5 85 °F 1869
8 84 °F 2005
8 84 °F 1955
8 84 °F 1998
8 84 °F 1919
8 84 °F 1997
8 84 °F 1933
8 84 °F 1984
8 84 °F 1951
What's the all-time low for Trenton on 9/20?
For the date of Sep 20, the lowest temperature ever reached in Trenton history is 35 °F which has happened 2 times, most recently in 1993.
Lowest Temperatures in Trenton on September 20
Rank Temperature Year
1 35 °F 1993
1 35 °F 1979
3 42 °F 2020
4 43 °F 1994
5 44 °F 1929
5 44 °F 2009
5 44 °F 1920
8 45 °F 1962
9 46 °F 1916
9 46 °F 1956
9 46 °F 2004
9 46 °F 1992
9 46 °F 2019
9 46 °F 1918
9 46 °F 1991
Lowest High Temperatures in Trenton on September 20
Rank Temperature Year
1 59 °F 1901
2 60 °F 1871
2 60 °F 1962
2 60 °F 1956
5 61 °F 1929
5 61 °F 1972
7 62 °F 1966
7 62 °F 1947
9 63 °F 1987
9 63 °F 1969
9 63 °F 2020
What's the most it has ever rained in Trenton on 9/20?
For the date of Sep 20, the most precipitation ever recorded in Trenton history is 5.32 inches which happened in 1874.
All-Time Most Precipitation in Trenton on September 20
Rank Precipitation Year
1 5.32 inches 1874
2 2.60 inches 1989
3 2.27 inches 1938
4 0.93 inches 1936
5 0.75 inches 1918
6 0.70 inches 1894
7 0.68 inches 1963
8 0.47 inches 1975
9 0.45 inches 1982
10 0.43 inches 1977
Weather Station Details
Years Station Coordinates
1999–2024 Trenton Mercer County Airport location
1977–1998 Trenton State College location
1913–1976 Trenton location
1865–1913 Trenton 2 location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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