September weather forecast
New Jersey, USA

September marks the beginning of the transition from summer to autumn in New Jersey. The weather becomes more temperate, and a decrease in humidity brings about more comfortable conditions across the state.

In the northern highlands, minimum temperatures typically range from 50°F (10°C) to 55°F (12.8°C), while in the southern coastal areas, they may linger around 60°F (15.6°C). Maximum temperatures generally vary from 72°F (22.2°C) to 80°F (26.7°C), reflecting a noticeable cooling compared to the peak summer months.

Rainfall in September can range from 2.5" (64mm) in the northern areas to 3" (76mm) in the south. The absence of snow and the decreased rain contribute to the overall pleasant weather that characterizes this month.

Cities like Newark begin to feel the freshness of early autumn, while coastal regions such as Atlantic City still enjoy mild temperatures. The Pine Barrens region may exhibit the start of colorful foliage, adding to the scenic beauty of the state.

Comparing September to August, the temperature drop is more pronounced, with a clear shift away from the summer heat. The state's varied geographical zones contribute to the diverse weather experiences, with the northern regions becoming noticeably cooler, while the southern areas continue to enjoy mild conditions. September's blend of lingering summer warmth and the freshness of impending autumn makes it an appealing time for outdoor exploration and enjoying the natural beauty of New Jersey.

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• Newark - September »
  The month with the least rainfall in Newark is September, when the rain falls for 12.6 days and typically collects 1.65" (42mm) of precipitation. The month with the least rainfall in Newark is September, when the rain falls for 12.6 days and typically collects 1.65" (42mm) of precipitation.
• Jersey City - September »
  The first month of the autumn, September, is also a moderately hot month in Jersey City with an average temperature ranging between max 74.7°F (23.7°C) and min 61.5°F (16.4°C). On the first day of September in Jersey City, sunrise is at 6:24 am and sunset at 7:28 pm.
• Paterson - September »
  The month with the least rainfall in Paterson is September, when the rain falls for 13.2 days and typically collects 1.73" (44mm) of precipitation. In Paterson in September, during 13.2 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.
• Elizabeth - September »
  The month with the least rainfall in Elizabeth is September, when the rain falls for 12.5 days and typically collects 1.61" (41mm) of precipitation. In Elizabeth during September, the rain falls for 12.5 days and regularly aggregates up to 1.61" (41mm) of precipitation.
• Edison - September »
  The month with the least rainfall in Edison is September, when the rain falls for 12.8 days and typically collects 1.54" (39mm) of precipitation. In Edison during September, the rain falls for 12.8 days and regularly aggregates up to 1.54" (39mm) of precipitation.
• Toms River - September »
  In Toms River during September, the rain falls for 11.7 days and regularly aggregates up to 1.14" (29mm) of precipitation. On the first day of September in Toms River, New Jersey, sunrise is at 6:25 am and sunset at 7:27 pm.
• Trenton - September »
  In Trenton, during September, the rain falls for 13.2 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Trenton the average relative humidity in September is 76%.
• Clifton - September »
  The month with the least rainfall in Clifton is September, when the rain falls for 13.5 days and typically collects 2.05" (52mm) of precipitation. The month with the least rainfall in Clifton is September, when the rain falls for 13.5 days and typically collects 2.05" (52mm) of precipitation.
• Camden - September »
  September brings the first signs of fall to Camden with a noticeable drop in temperature. On the first day of September in Camden sunrise is at 6:29 am and sunset at 7:31 pm.
• Cherry Hill - September »
  In Cherry Hill in September, it is raining for 9.5 days, with typically 0.75" (19mm) of accumulated precipitation. On the first day of September in Cherry Hill, sunrise is at 6:28 am and sunset at 7:31 pm.
• Passaic - September »
  On the first day of September in Passaic sunrise is at 6:24 am and sunset at 7:28 pm. On the last day of September, in Passaic, sunrise is at 6:52 am and sunset at 6:39 pm EDT.