NRCC Northeast Regional Climate Center  

September State Temperature Averages

State September 2000 Coolest Warmest
Temperature Departure Rank Average Year Average Year
Connecticut 61.3 -0.3 45 57.9 1917 67.7 1961
Delaware 66.3 -1.5 23 62.8 1917 73.1 1930
Maine 54.6 -0.5 25 51.7 1978 62.7 1961
Maryland 65.3 -1.6 25 61.9 1917 72.3 1930
Massachusetts 60.5 -0.0 46 57.2 1963 66.8 1961
New Hampshire 56.5 -0.5 37 53.2 1918 64.5 1961
New Jersey 64.4 -1.1 40 59.2 1917 71.4 1961
New York 58.5 -0.5 38 55.0 1918 66.5 1961
Pennsylvania 60.9 -0.8 29 57.5 1918 67.8 1931
Rhode Island 63.3 0.8 71 58.2 1917 67.5 1961
Vermont 55.6 -1.4 31 51.0 1913 65.1 1961
West Virginia 63.0 -1.0 30 59.3 1918 69.9 1900
Northeast 59.6 -0.7 28 56.6 1918 66.8 1961

Rankings are for 106 years between 1895 and 2000. 1=coolest; 106=warmest.

September State Precipitation Averages

State September 2000 Driest Wettest
Precipitation Departure Pct Normal Rank Amount Year Amount Year
Connecticut 4.24 0.35 108% 71 0.35 1914 13.89 1938
Delaware 6.33 2.69 173% 96 0.15 1941 11.59 1935
Maine 2.24 -1.26 64% 16 1.26 1948 9.10 1999
Maryland 5.34 1.79 150% 90 0.58 1941 10.45 1999
Massachusetts 3.58 0.03 100% 62 0.58 1914 9.66 1933
New Hampshire 3.09 -0.20 93% 46 0.77 1914 9.81 1938
New Jersey 5.15 1.39 136% 84 0.27 1941 9.78 1938
New York 3.73 -0.03 99% 67 1.18 1964 7.87 1977
Pennsylvania 3.86 0.18 104% 72 0.79 1943 7.64 1975
Rhode Island 4.84 1.21 133% 80 0.50 1959+ 9.39 1961
Vermont 2.66 -0.79 77% 32 0.96 1908 8.61 1999
West Virginia 4.52 1.09 131% 92 0.69 1985 6.73 1996
Northeast 3.71 0.11 102% 67 1.28 1914 7.44 1999

Rankings are for 106 years between 1895 and 2000. 1=driest; 106=wettest.

+ indicates extreme also occurred in one or more previous years.
Departures are calculated using the 1961-1990 normals.