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NJ State Climatologist
October 2, 2008
Unlike August, with its dry and cooler than average weather, September was warm and wet across the Garden State. The month saw more afternoons with temperatures exceeding 90° than in August and the first tropical storm crossing New Jersey since Bertha in July 1996 (in 1999 Floyd stayed just offshore). The statewide average temperature of 68.0° was 2.7° above average. This makes this the 13th warmest September since records commenced in 1895 (see table below). Temperatures have been above average in 9 of the past 12 months. September heat was concentrated in the first half of the month, when maxima reached 90° at multiple stations on the 2nd-5th and the 14th. Four south Jersey stations reached 95° on the hottest day, the 4th, with dozens more in the low 90°s. Cooler conditions prevailed later in the month, with morning lows dropping into the mid to upper 30°s from the 19th-21st in northwest valleys and on the 21st in the Pinelands.
Rank | Year | Avg. Temp. |
---|---|---|
1 | 1961 | 71.4° |
2 | 2005 | 71.0° |
3 | 1931 | 70.1° |
4 | 1998 | 68.9° |
5 | 1959 | 68.8° |
6 | 1945 | 68.7° |
7 | 2002 | 68.4° |
8 | 1970 | 68.3° |
9 | 2007 | 68.3° |
10 | 1980 | 68.2° |
11 | 2004 | 68.2° |
12 | 1971 | 68.1° |
13 | 2008 | 68.0° |
14 | 1921 | 67.9° |
15 | 1900 | 67.6° |
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Past Climate Summaries