Average September Temperatures for New Jersey

Average Temperatures for New Jersey in September

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

You can jump to a separate table for: North Jersey and South Jersey.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

North Jersey

Average September temperatures
High °F	Low °F	Place	High °C	Low °C
77	55	Easton	25	13
78	54	Hightstown	26	12
80	54	Lambertville	27	12
76	59	Long Branch	25	15
78	57	New Brunswick	26	14
78	61	Newark	25	16
79	58	Plainfield	26	14
77	53	Somerville	25	12
77	58	Trenton	25	14
76	56	Wanaque Reservoir Dam	24	13

South Jersey

Average daily temperatures in September
High °F	Low °F	Place	High °C	Low °C
74	65	Atlantic City Marina	23	18
77	63	Beach Haven, Brant Beach	25	17
80	58	Belleplain State Forest	27	14
78	59	Bridgeton	26	15
79	62	Cape May	26	17
79	60	Glassboro	26	15
79	57	Hammonton	26	14
78	57	Millville	26	14
80	59	Moorestown	26	15
77	53	Toms River	25	12

Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Average Temperatures for New Jersey in September

North Jersey

South Jersey

Reference

More New Jersey Weather Information