Lowell September 21 Weather Records

Daily averages and all-time records for weather in Lowell, Massachusetts for the date of September 21.
September 21 All-Time Records
1885–2024
Highest temperature 90 °F 1965
Lowest temperature 32 °F 1993
Lowest daily high 55 °F 1987
Highest daily low 68 °F 1965
Most precipitation 2.19 inches 1918
Most snow none -
September 21 Average Weather
1991–2020 1
Average high 73.0 °F
Average low 49.4 °F
Chance precipitation 32.7%
Chance snow 0%
Lowell September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 75 49 0.00 0.0
2022 65 55 0.03 0.0
2021 77 49 0.00 0.0
2020 n/a n/a n/a n/a
2019 80 41 0.00 0.0
2018 68 58 0.00 0.0
2017 71 65 0.02 0.0
2016 n/a n/a 0.00 0.0
2015 71 44 0.00 0.0
2014 70 34 0.39 0.0
2013 81 47 0.00 0.0
2012 68 41 0.00 0.0
2011 65 49 0.38 n/a
2010 69 42 0.00 0.0
2009 75 38 0.00 0.0
2008 69 40 0.00 0.0
2007 83 49 0.00 0.0
2006 74 50 0.00 0.0
2005 76 54 0.03 0.0
2004 71 42 0.00 0.0
2003 84 55 0.00 0.0
2002 81 58 0.00 0.0
2001 71 59 0.10 0.0
2000 83 59 0.02 0.0
1999 75 45 0.00 0.0
1998 87 55 0.00 0.0
1997 83 45 0.31 0.0
1996 76 46 0.00 0.0
1995 68 43 0.00 0.0
1994 77 42 0.00 0.0
1993 62 32 0.00 0.0
1992 70 43 0.00 0.0
1991 62 39 0.03 0.0
1990 68 45 0.00 0.0
1989 71 58 0.90 0.0
1988 75 64 0.13 0.0
1987 55 53 0.65 0.0
1986 73 51 n/a 0.0
1985 n/a n/a 0.00 0.0
1984 n/a n/a 0.00 0.0
1983 n/a n/a 0.00 0.0
1982 n/a n/a 0.88 0.0
1981 n/a n/a 0.00 0.0
1980 n/a n/a 0.00 0.0
1979 75 n/a 0.00 0.0
1978 n/a n/a n/a n/a
1977 n/a n/a n/a n/a
1976 n/a n/a n/a n/a
1975 n/a n/a n/a n/a
1974 n/a n/a n/a n/a
1973 n/a n/a n/a n/a
1972 n/a n/a n/a n/a
1971 n/a n/a n/a n/a
1970 81 55 0.00 0.0
1969 73 36 0.00 0.0
1968 86 50 0.00 0.0
1967 78 53 0.01 0.0
1966 62 40 0.98 0.0
1965 90 68 0.00 0.0
1964 70 37 0.00 0.0
1963 59 51 0.00 0.0
1962 57 35 0.00 0.0
1961 66 57 n/a 0.0
1960 63 n/a 0.01 0.0
1959 82 39 0.00 0.0
1958 70 60 0.00 0.0
1957 84 66 0.00 0.0
1956 66 36 0.00 0.0
1955 75 47 0.00 0.0
1954 72 49 0.01 0.0
1953 76 64 0.39 0.0
1952 73 48 0.00 0.0
1951 82 56 0.00 0.0
1950 73 46 0.00 0.0
1949 72 46 0.07 0.0
1948 75 48 0.00 0.0
1947 74 40 0.00 0.0
1946 83 55 0.00 0.0
1945 74 58 0.00 0.0
1944 75 66 0.35 n/a
1943 75 55 0.00 n/a
1942 n/a 53 0.00 n/a
1941 81 n/a 0.00 n/a
1940 79 n/a 0.25 n/a
1939 68 n/a 0.00 n/a
1938 75 n/a 0.00 n/a
1937 65 43 0.00 n/a
1936 64 n/a 0.17 n/a
1935 68 51 0.00 n/a
1934 72 60 0.00 0.0
1933 64 n/a 0.00 0.0
1932 78 n/a 0.00 0.0
1931 62 55 0.00 0.0
1930 80 n/a 0.30 n/a
1929 61 38 0.00 n/a
1928 72 60 0.00 n/a
1927 73 52 1.01 n/a
1926 83 59 0.00 n/a
1925 79 62 0.00 n/a
1924 69 43 0.00 n/a
1923 75 58 0.03 n/a
1922 67 48 0.00 n/a
1921 72 51 0.72 n/a
1920 67 45 0.00 n/a
1919 78 63 0.00 n/a
1918 68 47 2.19 n/a
1917 71 53 0.04 n/a
1916 73 49 0.00 n/a
1915 76 63 0.86 n/a
1914 89 59 0.00 n/a
1913 63 57 0.00 n/a
1912 59 47 0.00 n/a
1911 78 46 0.00 n/a
1910 75 56 0.00 n/a
1909 69 48 0.00 n/a
1908 74 47 0.00 n/a
1907 84 64 0.13 n/a
1906 85 65 0.00 n/a
1905 74 53 0.00 n/a
1904 71 43 0.00 n/a
1903 72 46 0.00 n/a
1902 66 56 0.53 n/a
1901 68 40 n/a n/a
1900 72 57 0.51 n/a
1899 67 55 0.00 n/a
1898 65 40 0.00 n/a
1897 62 45 0.00 n/a
1896 66 44 0.00 n/a
1895 90 58 0.00 n/a
1894 80 60 0.00 n/a
1893 66 44 0.00 n/a
1892 72 41 0.00 n/a
1891 82 51 n/a n/a
1890 65 48 n/a n/a
1889 65 53 n/a n/a
1888 n/a n/a n/a n/a
1887 n/a n/a n/a n/a
1886 n/a n/a n/a n/a
1885 n/a n/a n/a n/a
What's the all-time high for Lowell on 9/21?
For the date of Sep 21, the highest temperature ever reached in Lowell history is 90 °F which has happened 2 times, most recently in 1965.
Highest Temperatures in Lowell on September 21
Rank Temperature Year
1 90 °F 1965
1 90 °F 1895
3 89 °F 1914
4 87 °F 1998
5 86 °F 1968
6 85 °F 1906
7 84 °F 1907
7 84 °F 2003
7 84 °F 1957
10 83 °F 1946
10 83 °F 2000
10 83 °F 1926
10 83 °F 2007
10 83 °F 1997
What's the all-time low for Lowell on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Lowell history is 32 °F which happened in 1993.
Lowest Temperatures in Lowell on September 21
Rank Temperature Year
1 32 °F 1993
2 34 °F 2014
3 35 °F 1962
4 36 °F 1969
4 36 °F 1956
6 37 °F 1964
7 38 °F 1929
7 38 °F 2009
9 39 °F 1991
9 39 °F 1959
Lowest High Temperatures in Lowell on September 21
Rank Temperature Year
1 55 °F 1987
2 57 °F 1962
3 59 °F 1912
3 59 °F 1963
5 61 °F 1929
6 62 °F 1966
6 62 °F 1931
6 62 °F 1897
6 62 °F 1993
6 62 °F 1991
What's the most it has ever rained in Lowell on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Lowell history is 2.19 inches which happened in 1918.
All-Time Most Precipitation in Lowell on September 21
Rank Precipitation Year
1 2.19 inches 1918
2 1.01 inches 1927
3 0.98 inches 1966
4 0.90 inches 1989
5 0.88 inches 1982
6 0.86 inches 1915
7 0.72 inches 1921
8 0.65 inches 1987
9 0.53 inches 1902
10 0.51 inches 1900
Weather Station Details
Years Station Coordinates
1885–2024 Lowell location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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