Amherst September 20 Weather Records

Daily averages and all-time records for weather in Amherst, Massachusetts for the date of September 20.
September 20 All-Time Records
1893–2024
Highest temperature 89 °F 1983
Lowest temperature 26 °F 1909
Lowest daily high 54 °F 1901
Highest daily low 66 °F 2003
Most precipitation 3.96 inches 1938
Most snow none -
September 20 Average Weather
1991–2020 1
Average high 72.8 °F
Average low 48.8 °F
Chance precipitation 31.4%
Chance snow 0%
Amherst September 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 71 47 0.00 0.0
2022 79 60 0.54 0.0
2021 74 48 0.01 0.0
2020 63 34 0.00 0.0
2019 71 36 0.00 0.0
2018 77 59 0.00 0.0
2017 77 65 0.03 0.0
2016 73 65 0.57 0.0
2015 80 62 0.00 0.0
2014 61 38 0.00 0.0
2013 78 40 0.00 0.0
2012 75 43 0.00 0.0
2011 67 43 0.01 n/a
2010 74 51 0.00 0.0
2009 67 37 0.00 0.0
2008 64 38 0.00 0.0
2007 71 42 0.00 0.0
2006 79 51 0.27 0.0
2005 84 55 0.00 0.0
2004 63 38 0.00 0.0
2003 81 66 0.55 0.0
2002 79 51 0.00 0.0
2001 77 55 0.00 0.0
2000 78 55 1.00 0.0
1999 73 41 0.00 0.0
1998 79 59 0.00 0.0
1997 79 51 0.00 0.0
1996 71 41 0.00 0.0
1995 72 42 0.00 0.0
1994 69 36 0.00 0.0
1993 64 27 0.00 0.0
1992 71 41 0.00 0.0
1991 75 50 1.51 0.0
1990 67 48 0.31 0.0
1989 69 59 0.47 0.0
1988 80 62 0.00 0.0
1987 58 51 0.20 0.0
1986 73 50 0.00 0.0
1985 86 52 0.00 0.0
1984 83 40 0.00 0.0
1983 89 57 0.00 0.0
1982 69 35 0.00 0.0
1981 69 45 0.14 0.0
1980 72 42 0.00 0.0
1979 65 29 0.00 0.0
1978 76 45 0.00 0.0
1977 74 46 0.78 0.0
1976 80 49 0.00 0.0
1975 72 60 0.34 0.0
1974 79 60 0.00 0.0
1973 72 36 0.00 0.0
1972 72 49 0.01 0.0
1971 73 51 0.00 0.0
1970 74 44 0.00 0.0
1969 64 38 0.00 0.0
1968 84 49 0.00 0.0
1967 78 47 0.00 0.0
1966 69 49 0.00 0.0
1965 63 58 0.00 0.0
1964 60 38 0.00 0.0
1963 67 54 0.83 0.0
1962 61 33 0.01 0.0
1961 80 45 0.00 0.0
1960 57 51 1.76 0.0
1959 71 35 0.00 0.0
1958 62 55 0.00 0.0
1957 80 55 0.00 0.0
1956 58 40 0.32 0.0
1955 75 58 0.05 0.0
1954 72 55 0.01 0.0
1953 76 59 0.00 0.0
1952 73 58 0.00 0.0
1951 78 46 0.00 0.0
1950 62 50 0.00 0.0
1949 67 51 0.00 0.0
1948 70 58 0.44 0.0
1947 65 41 0.00 0.0
1946 86 53 0.00 0.0
1945 63 53 0.00 0.0
1944 74 64 0.00 0.0
1943 75 35 0.00 0.0
1942 72 52 0.18 0.0
1941 71 34 0.00 0.0
1940 84 49 0.00 0.0
1939 74 45 0.12 0.0
1938 68 61 3.96 0.0
1937 58 44 0.00 0.0
1936 72 45 0.00 0.0
1935 81 53 0.00 0.0
1934 72 58 0.00 0.0
1933 75 50 0.65 0.0
1932 78 46 0.00 0.0
1931 67 48 0.51 0.0
1930 79 44 0.00 0.0
1929 61 35 0.00 0.0
1928 78 50 0.03 0.0
1927 75 49 0.00 0.0
1926 86 48 0.00 0.0
1925 69 44 0.00 n/a
1924 69 37 0.00 n/a
1923 67 49 0.04 n/a
1922 70 52 0.03 n/a
1921 74 42 0.00 n/a
1920 64 37 0.00 n/a
1919 80 56 0.01 n/a
1918 70 50 0.87 n/a
1917 81 52 0.00 n/a
1916 73 36 0.00 n/a
1915 80 53 0.00 n/a
1914 83 43 0.00 n/a
1913 61 54 0.18 n/a
1912 74 52 0.35 n/a
1911 80 52 0.00 n/a
1910 73 46 0.00 n/a
1909 70 26 0.00 n/a
1908 n/a n/a n/a n/a
1907 72 56 0.00 n/a
1906 81 62 0.38 n/a
1905 71 56 0.13 n/a
1904 74 57 0.05 n/a
1903 67 42 0.00 n/a
1902 70 62 0.35 n/a
1901 54 40 0.03 n/a
1900 64 40 0.00 n/a
1899 72 60 1.18 n/a
1898 65 44 0.00 n/a
1897 61 50 0.00 n/a
1896 n/a n/a n/a n/a
1895 81 53 0.00 n/a
1894 78 60 1.93 n/a
1893 72 51 0.00 n/a
What's the all-time high for Amherst on 9/20?
For the date of Sep 20, the highest temperature ever reached in Amherst history is 89 °F which happened in 1983.
Highest Temperatures in Amherst on September 20
Rank Temperature Year
1 89 °F 1983
2 86 °F 1985
2 86 °F 1926
2 86 °F 1946
5 84 °F 2005
5 84 °F 1968
5 84 °F 1940
8 83 °F 1984
8 83 °F 1914
10 81 °F 1895
10 81 °F 2003
10 81 °F 1917
10 81 °F 1906
10 81 °F 1935
What's the all-time low for Amherst on 9/20?
For the date of Sep 20, the lowest temperature ever reached in Amherst history is 26 °F which happened in 1909.
Lowest Temperatures in Amherst on September 20
Rank Temperature Year
1 26 °F 1909
2 27 °F 1993
3 29 °F 1979
4 33 °F 1962
5 34 °F 1941
5 34 °F 2020
7 35 °F 1929
7 35 °F 1982
7 35 °F 1943
7 35 °F 1959
Lowest High Temperatures in Amherst on September 20
Rank Temperature Year
1 54 °F 1901
2 57 °F 1960
3 58 °F 1987
3 58 °F 1956
3 58 °F 1937
6 60 °F 1964
7 61 °F 1929
7 61 °F 2014
7 61 °F 1897
7 61 °F 1913
7 61 °F 1962
What's the most it has ever rained in Amherst on 9/20?
For the date of Sep 20, the most precipitation ever recorded in Amherst history is 3.96 inches which happened in 1938.
All-Time Most Precipitation in Amherst on September 20
Rank Precipitation Year
1 3.96 inches 1938
2 1.93 inches 1894
3 1.76 inches 1960
4 1.51 inches 1991
5 1.18 inches 1899
6 1.00 inches 2000
7 0.87 inches 1918
8 0.83 inches 1963
9 0.78 inches 1977
10 0.65 inches 1933
Weather Station Details
Years Station Coordinates
1893–2024 Amherst location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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