September State Temperature Averages

State September 2010 Coolest Warmest
Temperature Departure Rank Average Year Average Year
Connecticut 65.5 3.8 111 57.9 1917 67.7 1961
Delaware 72.5 4.4 113 62.8 1917 73.1 1930
Maine 59.0 3.9 108 51.7 1978 62.7 1961
Maryland 70.0 3.0 105 61.9 1917 72.3 1930
Massachusetts 64.4 3.9 110 57.2 1963 66.8 1961
New Hampshire 60.8 3.8 110 53.2 1918 64.5 1961
New Jersey 69.5 4.0 113 59.2 1917 71.4 1961
New York 61.5 2.6 93 55.0 1918 66.5 1961
Pennsylvania 63.5 1.9 77 57.5 1918 67.8 1931
Rhode Island 66.3 3.5 111 58.2 1917 67.5 1961
Vermont 59.9 3.3 103 51.0 1913 65.1 1961
West Virginia 65.6 1.7 74 59.3 1918 69.9 1900
Northeast 63.0 2.8 100 56.6 1918 66.8 1961

Rankings are for 116 years between 1895 and 2010. 1=coolest; 116=warmest.

September State Precipitation Averages

State September 2010 Driest Wettest
Precipitation Departure Pct Normal Rank Amount Year Amount Year
Connecticut 2.40 -1.96 54% 30 0.35 1914 13.89 1938
Delaware 2.87 -1.32 68% 42 0.15 1941 11.59 1935
Maine 5.22 1.54 141% 101 1.26 1948 9.10 1999
Maryland 4.87 0.83 120% 91 0.58 1941 10.45 1999
Massachusetts 2.22 -1.72 56% 29 0.58 1914 9.66 1933
New Hampshire 2.84 -0.82 77% 42 0.77 1914 9.81 1938
New Jersey 3.34 -0.80 80% 56 0.27 1941 9.78 1938
New York 3.09 -1.05 74% 39 1.18 1964 7.87 1977
Pennsylvania 3.39 -0.69 83% 64 0.79 1943 8.88 2004
Rhode Island 3.15 -0.65 82% 60 0.50 1959+ 9.51 2008
Vermont 3.10 -0.87 78% 45 0.96 1908 8.61 1999
West Virginia 2.67 -0.84 75% 44 0.69 1985 7.45 2004
Northeast 3.47 -0.47 88% 61 1.28 1914 7.44 1999

Rankings are for 116 years between 1895 and 2010. 1=driest; 116=wettest.

+ indicates extreme also occurred in one or more previous years.
Departures are calculated using the 1971-2000 normals.