Average temperatures for September at cities, communities and other locations in New Jersey are listed below in degrees Fahrenheit and Celsius.

Get the monthly weather forecast for Jersey City, NJ, including daily high/low, historical averages, to help you plan ahead.

Get the monthly weather forecast for Newark, NJ, including daily high/low, historical averages, to help you plan ahead.

The thermometer averaged maximum of 77°F. The seasonal minimum is 67°F. Thus, the mean temperature average on this month of september in New Jersey is 72°F.

In Newark, the average temperature is around 67.8°F (19.9°C), with highs reaching up to 76.1°F (24.5°C) and lows dropping to about 61°F (16.1°C). Meanwhile, ...

In Jersey City during September average daily high temperatures decrease from 80°F to 70°F and it is overcast or mostly cloudy about 37% of the time.

During September, expect a variety of temperatures with highs around 77° and lows near 60°, suitable for diverse activities and preferences.

In September the average maximum daytime temperatures are high and range from 23°C in Budd Lake to 26°C in Hammonton. Nighttime temperatures generally drop to ...

The temperatures in New Jersey in September are comfortable with low of 64°F and and high up to 75°F. You can expect about 3 to 8 days of rain in New Jersey ...

Expect 25°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in New Jersey in September.