In September, the weather in Pennsville Township is typically warm. Average daily high temperature in September is about 24 degrees above zero. On average, Pennsville Township has 14 sunny, 8 partly cloudy, 7 rainy, and 1 cloudy day in September. The rains are usually heavy. September as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Pennsville Township.