Atlantic City September 21 Weather Records

Daily averages and all-time records for weather in Atlantic City, New Jersey for the date of September 21.
September 21 All-Time Records
1873–2024
Highest temperature 90 °F 1940
Lowest temperature 37 °F 1962
Lowest daily high 60 °F 1956
Highest daily low 73 °F 1989
Most precipitation 4.50 inches 1938
Most snow none -
September 21 Average Weather
1991–2020 1
Average high 76.4 °F
Average low 55.9 °F
Chance precipitation 28.9%
Chance snow 0%
Atlantic City September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 75 51 0.00 0.0
2022 82 54 0.00 0.0
2021 79 56 0.03 0.0
2020 65 41 0.00 0.0
2019 86 56 0.00 0.0
2018 78 61 0.00 0.0
2017 85 66 0.00 0.0
2016 81 63 0.00 0.0
2015 74 58 0.00 0.0
2014 78 65 0.02 0.0
2013 78 48 0.13 0.0
2012 74 54 0.00 0.0
2011 77 57 0.01 0.0
2010 73 48 0.00 0.0
2009 77 50 0.00 0.0
2008 79 46 0.00 0.0
2007 80 55 0.00 0.0
2006 69 47 0.00 0.0
2005 84 59 0.00 0.0
2004 79 49 0.00 0.0
2003 77 61 0.00 0.0
2002 83 69 0.00 0.0
2001 82 68 0.05 0.0
2000 78 54 0.00 0.0
1999 67 53 0.32 0.0
1998 86 67 0.00 0.0
1997 65 45 0.00 0.0
1996 76 52 0.00 0.0
1995 77 59 0.00 0.0
1994 75 46 0.00 0.0
1993 67 59 0.32 0.0
1992 76 53 0.00 0.0
1991 66 41 0.00 0.0
1990 73 44 0.00 0.0
1989 86 73 0.00 0.0
1988 82 59 0.00 0.0
1987 71 55 0.00 0.0
1986 78 62 0.00 0.0
1985 83 56 0.00 0.0
1984 82 52 0.00 0.0
1983 79 58 1.00 0.0
1982 64 56 0.10 0.0
1981 75 52 0.00 0.0
1980 81 64 0.00 0.0
1979 74 52 0.38 0.0
1978 80 54 0.00 0.0
1977 66 57 0.00 0.0
1976 73 51 0.00 0.0
1975 76 56 0.01 0.0
1974 81 57 0.26 0.0
1973 62 48 0.00 0.0
1972 67 62 0.14 0.0
1971 72 59 0.04 0.0
1970 81 54 0.00 0.0
1969 67 46 0.00 0.0
1968 78 53 0.00 0.0
1967 75 61 0.09 0.0
1966 74 64 2.63 0.0
1965 87 70 0.00 0.0
1964 70 56 0.00 0.0
1963 65 58 0.02 0.0
1962 65 37 0.00 0.0
1961 81 64 1.45 0.0
1960 72 60 0.00 0.0
1959 76 53 0.00 0.0
1958 68 64 1.05 0.0
1957 77 71 0.00 0.0
1956 60 43 0.00 0.0
1955 75 56 0.00 0.0
1954 72 61 0.06 0.0
1953 78 57 0.14 0.0
1952 75 58 0.00 0.0
1951 77 68 0.00 0.0
1950 66 60 0.88 0.0
1949 70 50 0.00 0.0
1948 75 62 0.00 0.0
1947 78 67 0.00 0.0
1946 74 67 0.51 0.0
1945 83 63 0.00 0.0
1944 73 64 0.03 0.0
1943 66 62 0.46 0.0
1942 66 56 0.00 0.0
1941 71 57 0.00 0.0
1940 90 69 0.00 0.0
1939 70 60 0.00 0.0
1938 64 55 4.50 0.0
1937 67 51 0.00 0.0
1936 75 66 0.55 0.0
1935 75 57 0.32 0.0
1934 73 63 0.00 0.0
1933 68 59 0.00 0.0
1932 83 68 0.00 0.0
1931 86 71 0.00 0.0
1930 77 70 0.00 0.0
1929 60 51 0.00 0.0
1928 76 62 0.00 0.0
1927 74 58 0.00 0.0
1926 72 66 0.00 0.0
1925 88 63 0.00 0.0
1924 66 63 0.01 0.0
1923 74 69 0.77 0.0
1922 69 62 0.00 0.0
1921 73 66 0.36 0.0
1920 69 57 0.00 0.0
1919 75 70 0.00 0.0
1918 63 48 0.26 0.0
1917 83 63 0.40 0.0
1916 71 55 0.00 0.0
1915 77 56 0.24 0.0
1914 84 62 0.00 0.0
1913 74 69 0.17 0.0
1912 69 59 0.00 0.0
1911 73 61 0.02 0.0
1910 77 65 0.00 0.0
1909 70 65 0.00 0.0
1908 67 60 0.00 0.0
1907 82 68 0.00 0.0
1906 90 73 0.00 0.0
1905 73 65 0.00 0.0
1904 68 47 0.00 0.0
1903 69 50 0.00 0.0
1902 70 66 0.20 0.0
1901 69 49 0.00 0.0
1900 72 67 0.01 0.0
1899 68 56 0.33 0.0
1898 62 50 0.00 0.0
1897 63 41 0.00 0.0
1896 67 51 0.00 0.0
1895 90 72 0.00 0.0
1894 79 62 0.00 0.0
1893 72 50 0.00 0.0
1892 69 60 0.00 0.0
1891 74 55 0.00 0.0
1890 64 50 0.00 0.0
1889 65 50 0.01 0.0
1888 75 66 0.34 0.0
1887 70 55 0.00 0.0
1886 73 50 0.00 0.0
1885 65 63 0.00 0.0
1884 70 52 0.00 0.0
1883 70 56 0.00 n/a
1882 78 68 0.16 n/a
1881 70 62 0.00 n/a
1880 76 63 0.00 n/a
1879 63 60 0.29 n/a
1878 80 68 0.00 n/a
1877 73 52 0.00 n/a
1876 66 62 0.00 n/a
1875 63 44 0.00 n/a
1874 69 55 0.00 n/a
What's the all-time high for Atlantic City on 9/21?
For the date of Sep 21, the highest temperature ever reached in Atlantic City history is 90 °F which has happened 3 times, most recently in 1940.
Highest Temperatures in Atlantic City on September 21
Rank Temperature Year
1 90 °F 1940
1 90 °F 1906
1 90 °F 1895
4 88 °F 1925
5 87 °F 1965
6 86 °F 1931
6 86 °F 1998
6 86 °F 1989
6 86 °F 2019
10 85 °F 2017
What's the all-time low for Atlantic City on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Atlantic City history is 37 °F which happened in 1962.
Lowest Temperatures in Atlantic City on September 21
Rank Temperature Year
1 37 °F 1962
2 41 °F 1991
2 41 °F 1897
2 41 °F 2020
5 43 °F 1956
6 44 °F 1990
6 44 °F 1875
8 45 °F 1997
9 46 °F 1969
9 46 °F 1994
9 46 °F 2008
Lowest High Temperatures in Atlantic City on September 21
Rank Temperature Year
1 60 °F 1956
1 60 °F 1929
3 62 °F 1898
3 62 °F 1973
5 63 °F 1918
5 63 °F 1897
5 63 °F 1879
5 63 °F 1875
9 64 °F 1982
9 64 °F 1938
9 64 °F 1890
What's the most it has ever rained in Atlantic City on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Atlantic City history is 4.50 inches which happened in 1938.
All-Time Most Precipitation in Atlantic City on September 21
Rank Precipitation Year
1 4.50 inches 1938
2 2.63 inches 1966
3 1.45 inches 1961
4 1.05 inches 1958
5 1.00 inches 1983
6 0.88 inches 1950
7 0.77 inches 1923
8 0.55 inches 1936
9 0.51 inches 1946
10 0.46 inches 1943
Weather Station Details
Years Station Coordinates
1959–2024 Atlantic City International Airport location
1873–1958 Atlantic City location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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