New Jersey weather in September 2025

Expect 77°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in New Jersey in September. Check more long-term weather averages for New Jersey in September before you book your next holiday to New Jersey in 2025/2026.

• 77
  77°F max day temperature
• 7
  7 hours of sunshine per day
• 8
  8 days with some rainfall
• 57
  57°F min night temperature
• 12
  12 hours of daylight per day
• 0
  No heat & humidity
• 4.0
  4.0 inches of monthly rainfall
• 6
  6 (High) UV index

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The September weather guide for New Jersey (Newark) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top New Jersey destinations

Below are average maximum temperatures at popular countries, regions and places in New Jersey in September. Select a holiday destination to see more weather parameters.

• 77
  Cape May
• 77
  Jersey City
• 77
  Newark
• 77
  Princetown
• 75
  Atlantic City
• 75
  Ocean City

All New Jersey destinations

• Atlantic City
• Camden
• Cape May
• Jersey City
• Newark
• Ocean City
• Princetown
• Seaside Heights
• Trenton

Metric (°C)  |  Imperial (°F)

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New Jersey September sunrise & sunset times

Browse the sunrise and sunset times for New Jersey in September 2025. Select a month to view New Jersey sunrise and sunset times for the next 12 months. The New Jersey sunrise and sunset times shown below are for Newark.

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