Climate Summary for September

Station: Philadelphia (366889) State: Pennsylvania Period of Record: 3/1872-3/2011 (# of years included = 137) Temperature Precipitation EXTREMES EXTREMES Greatest Daily Greatest | Cumulative Chance Chance Day Average Average | Highest Yr Lowest Yr || amount snowfall | average >=.01 in >=.1 in Max (F) Min (F) | (F) (F) || Inches Yr Inches Yr | precip(in) precip snow 1 82.0 64.9 | 97 1953* 49 1963 || 1.80 1952 0.0 | 0.11 0.20 0.00 2 81.9 64.5 | 100 1953 47 1963 || 1.48 2006 0.0 | 0.20 0.31 0.00 3 81.7 64.2 | 100 1953 51 1967* || 3.37 1969 0.0 | 0.34 0.24 0.00 4 81.5 64.5 | 93 2008* 52 1997* || 3.25 1935 0.0 | 0.45 0.22 0.00 5 80.8 63.8 | 92 1985* 53 1994* || 2.45 2006 0.0 | 0.55 0.25 0.00 6 80.3 63.4 | 95 1983 48 1988* || 2.19 2008 0.0 | 0.70 0.27 0.00 7 81.0 63.2 | 102 1881 47 1984* || 1.22 1999 0.0 | 0.77 0.28 0.00 8 80.0 62.7 | 96 1939 45 1962 || 2.94 1929 0.0 | 0.89 0.23 0.00 9 80.2 62.3 | 94 1884 49 1956* || 1.59 1999 0.0 | 1.00 0.24 0.00 10 79.6 62.4 | 97 1983 45 1956* || 1.59 1909 0.0 | 1.10 0.29 0.00 11 78.3 60.9 | 98 1983 43 1917 || 2.10 1971 0.0 | 1.24 0.25 0.00 12 78.2 60.7 | 95 1931* 45 1940 || 4.60 1960 0.0 | 1.37 0.29 0.00 13 78.6 60.9 | 95 1952 44 1958 || 2.80 1944 0.0 | 1.50 0.34 0.00 14 77.6 61.0 | 92 1995 44 1975 || 4.69 1966 0.0 | 1.69 0.30 0.00 15 77.3 60.4 | 95 1927 45 1895 || 2.74 1904 0.0 | 1.82 0.38 0.00 16 77.1 60.2 | 94 1991 45 1984 || 6.63 1999 0.0 | 2.01 0.29 0.00 17 77.0 59.8 | 94 1991 44 1986* || 3.48 1876 0.0 | 2.19 0.35 0.00 18 76.4 59.0 | 90 1891 42 1959 || 1.91 1918 0.0 | 2.31 0.32 0.00 19 76.5 59.2 | 92 1983 43 1959* || 1.95 1938 0.0 | 2.44 0.33 0.00 20 75.8 59.0 | 90 1983* 45 1979* || 3.04 1938 0.0 | 2.52 0.25 0.00 21 75.3 58.4 | 97 1895 38 1956 || 2.44 1983 0.0 | 2.70 0.27 0.00 22 74.7 57.9 | 97 1895 39 1962 || 4.65 1882 0.0 | 2.83 0.29 0.00 23 74.6 57.2 | 97 1895 40 1983* || 3.72 1882 0.0 | 2.97 0.33 0.00 24 74.1 56.1 | 95 1970 40 1974* || 2.08 1912 0.0 | 3.08 0.23 0.00 25 73.4 55.8 | 92 1970 35 1963 || 1.66 2000 0.0 | 3.21 0.25 0.00 26 73.6 55.5 | 92 1970* 38 1963* || 2.79 1985 0.0 | 3.34 0.29 0.00 27 73.6 55.7 | 91 1998 36 1947 || 1.85 1985 0.0 | 3.44 0.24 0.00 28 73.1 55.9 | 91 1886 37 1957 || 3.22 2004 0.0 | 3.56 0.28 0.00 29 71.8 54.7 | 89 1921 37 1942 || 1.87 1963 0.0 | 3.69 0.28 0.00 30 70.6 53.7 | 88 1881 38 1942 || 2.41 2010 0.0 | 3.86 0.35 0.00 * - Asterisk indicates that the record was also reached in previous years.