September weather forecast and climate
New Jersey, USA

Flag of New Jersey, USA
Flag of New Jersey, USA

Weather in September

September is the period of the early autumn season in New Jersey that brings relief from the summer heat. The average high temperatures slide to the 70°F (21.1°C) to 80°F (26.7°C) range from the peak of summer. Nights are between 50°F (10°C) to 64°F (17.8°C) statewide and tend to be comfortable due to the decrease in humidity.
The skies are partly cloudy with the precipitation in the 3" (76mm) to 5" (127mm) range. The peak season of storms is over, and the incidences of thunderstorms are low. Early fall is a beautiful time in New Jersey with a splash of colors all over the landscape. The northern highlands turn colors by the mid of September, and the hues progress rapidly to the south.
A popular place to visit is the Delaware Gap during the calm days of autumn. Breezy evenings add to the pleasant atmosphere. Keep an eye on the weather for tropical cyclones that can interrupt vacations on the coast during September in New Jersey.
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