Plymouth September 21 Weather Records

Daily averages and all-time records for weather in Plymouth, Massachusetts for the date of September 21.
September 21 All-Time Records
1893–2024
Highest temperature 90 °F 1983
Lowest temperature 35 °F 1969
Lowest daily high 55 °F 1920
Highest daily low 70 °F 1938
Most precipitation 2.50 inches 1953
September 21 Average Weather
1991–2020 1
Average high 71.6 °F
Average low 52.2 °F
Chance precipitation 44.6%
Plymouth September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 72 48 0.00 n/a
2022 67 58 0.02 n/a
2021 77 49 0.02 n/a
2020 63 41 0.00 n/a
2019 82 51 0.00 n/a
2018 70 55 0.00 n/a
2017 69 60 0.14 n/a
2016 83 57 0.00 n/a
2015 65 58 0.00 n/a
2014 78 63 0.12 n/a
2013 76 55 0.06 n/a
2012 64 45 0.00 n/a
2011 79 58 0.16 n/a
2010 72 46 0.00 n/a
2009 76 45 0.01 n/a
2008 77 43 0.00 n/a
2007 76 53 0.00 n/a
2006 65 41 0.00 n/a
2005 78 57 0.00 n/a
2004 67 46 0.00 n/a
2003 71 53 0.01 n/a
2002 79 64 0.01 n/a
2001 70 63 1.48 n/a
2000 80 56 0.01 n/a
1999 74 54 0.03 n/a
1998 77 65 0.00 n/a
1997 60 38 n/a n/a
1996 79 52 0.00 0.0
1995 65 47 0.00 0.0
1994 75 55 0.00 0.0
1993 60 46 0.07 0.0
1992 72 46 0.00 0.0
1991 62 41 0.00 0.0
1990 66 46 0.00 0.0
1989 80 64 0.10 0.0
1988 76 64 0.38 0.0
1987 59 53 0.35 0.0
1986 64 51 0.02 0.0
1985 85 58 0.00 0.0
1984 80 n/a 0.00 0.0
1983 90 64 0.00 0.0
1982 64 45 0.39 0.0
1981 69 41 0.00 0.0
1980 73 50 0.03 0.0
1979 63 37 0.00 0.0
1978 75 40 0.00 0.0
1977 58 52 1.78 0.0
1976 80 58 0.10 0.0
1975 74 63 0.00 0.0
1974 79 62 0.21 0.0
1973 70 41 0.00 0.0
1972 67 50 0.00 0.0
1971 73 59 0.13 0.0
1970 76 43 0.00 0.0
1969 64 35 0.00 0.0
1968 72 47 0.00 0.0
1967 73 49 0.00 0.0
1966 60 54 0.00 0.0
1965 87 66 0.00 0.0
1964 66 42 0.00 0.0
1963 61 53 0.64 0.0
1962 60 37 0.00 0.0
1961 66 61 1.99 0.0
1960 62 55 0.00 0.0
1959 78 52 0.00 0.0
1958 66 53 0.00 0.0
1957 84 62 0.00 0.0
1956 67 36 0.00 0.0
1955 68 51 0.00 0.0
1954 67 52 0.00 0.0
1953 74 61 2.50 0.0
1952 73 52 0.00 0.0
1951 84 53 0.00 0.0
1950 72 50 0.00 0.0
1949 70 46 0.00 0.0
1948 68 50 0.00 0.0
1947 72 39 0.00 0.0
1946 82 55 0.00 0.0
1945 80 58 0.00 0.0
1944 79 65 0.08 0.0
1943 78 57 0.00 n/a
1942 60 51 0.26 n/a
1941 79 47 0.00 n/a
1940 n/a n/a 0.09 n/a
1939 n/a 56 0.03 n/a
1938 81 70 0.08 n/a
1937 63 47 0.00 n/a
1936 68 53 0.06 n/a
1935 79 58 0.00 n/a
1934 70 60 0.00 0.0
1933 64 60 0.00 0.0
1932 67 54 0.00 0.0
1931 66 55 0.00 0.0
1930 79 59 0.00 n/a
1929 56 50 0.00 n/a
1928 74 64 0.00 n/a
1927 68 56 0.00 n/a
1926 64 54 0.00 n/a
1925 79 57 0.08 n/a
1924 60 46 0.00 n/a
1923 68 56 0.08 n/a
1922 68 52 0.00 n/a
1921 60 46 0.00 n/a
1920 55 43 0.00 n/a
1919 71 59 0.00 n/a
1918 66 49 0.13 n/a
1917 74 51 0.00 n/a
1916 64 50 0.00 n/a
1915 66 57 1.46 n/a
1914 73 57 n/a n/a
1913 62 56 0.00 n/a
1912 64 48 0.15 n/a
1911 68 52 0.00 n/a
1910 64 54 0.00 n/a
1909 61 49 0.00 n/a
1908 n/a n/a n/a n/a
1907 70 62 0.39 n/a
1906 73 68 0.66 n/a
1905 n/a n/a 0.00 n/a
1904 n/a n/a 0.00 n/a
1903 n/a n/a 0.05 n/a
1902 n/a n/a 0.00 n/a
1901 n/a n/a 0.49 n/a
1900 n/a n/a 0.02 n/a
1899 n/a n/a 0.08 n/a
1898 n/a n/a 0.00 n/a
1897 n/a n/a 0.00 n/a
1896 n/a n/a 0.00 n/a
1895 n/a n/a 0.00 n/a
1894 n/a n/a 0.00 n/a
1893 n/a n/a 0.00 n/a
What's the all-time high for Plymouth on 9/21?
For the date of Sep 21, the highest temperature ever reached in Plymouth history is 90 °F which happened in 1983.
Highest Temperatures in Plymouth on September 21
Rank Temperature Year
1 90 °F 1983
2 87 °F 1965
3 85 °F 1985
4 84 °F 1957
4 84 °F 1951
6 83 °F 2016
7 82 °F 1946
7 82 °F 2019
9 81 °F 1938
10 80 °F 1984
10 80 °F 2000
10 80 °F 1976
10 80 °F 1945
10 80 °F 1989
What's the all-time low for Plymouth on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Plymouth history is 35 °F which happened in 1969.
Lowest Temperatures in Plymouth on September 21
Rank Temperature Year
1 35 °F 1969
2 36 °F 1956
3 37 °F 1979
3 37 °F 1962
5 38 °F 1997
6 39 °F 1947
7 40 °F 1978
8 41 °F 1981
8 41 °F 2020
8 41 °F 2006
8 41 °F 1991
8 41 °F 1973
Lowest High Temperatures in Plymouth on September 21
Rank Temperature Year
1 55 °F 1920
2 56 °F 1929
3 58 °F 1977
4 59 °F 1987
5 60 °F 1921
5 60 °F 1942
5 60 °F 1993
5 60 °F 1966
5 60 °F 1924
5 60 °F 1962
5 60 °F 1997
What's the most it has ever rained in Plymouth on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Plymouth history is 2.50 inches which happened in 1953.
All-Time Most Precipitation in Plymouth on September 21
Rank Precipitation Year
1 2.50 inches 1953
2 1.99 inches 1961
3 1.78 inches 1977
4 1.48 inches 2001
5 1.46 inches 1915
6 0.66 inches 1906
7 0.64 inches 1963
8 0.49 inches 1901
9 0.39 inches 1982
9 0.39 inches 1907
Weather Station Details
Years Station Coordinates
1997–2024 Plymouth Municipal Airport location
1893–1996 Plymouth-Kingston location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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