Newark weather in September 2025

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

  • 77°F maximum daytime temperature in September in Newark77
    77°F max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in September in Newark8
    8 days with some rainfall
  • 57°F minimum night-time temperature in September in Newark57
    57°F min night temperature
  • 12 hours of daylight per day in September in Newark12
    12 hours of daylight per day
  • No heat & humidity in September in Newark0
    No heat & humidity
  • 4.0 inches monthly rainfall in September in Newark4.0
    4.0 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Newark6
    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.

Metric (°C)  |  Imperial (°F)

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How hot is it in Newark in September?

Daytime temperatures usually reach 77°F in Newark in September with no heat and humidity, falling to 57°F at night.

How sunny is it in Newark in September?

There are normally 7 hours of bright sunshine each day in Newark in September - that's 57% of daylight hours.

Does it rain in Newark in September?

There are usually 8 days with some rain in Newark in September and the average monthly rainfall is 4.0 inches.

What is the chance of a hurricane in Newark in September?

On average less than 1 day in September in Newark is likely to be affected by the passage of one or more tropical storms.

Newark September sunrise & sunset times

Browse the sunrise and sunset times for Newark in September 2025. Select a month to view Newark sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:24 18:28
Monday, 15th September 2025 05:38 18:05
Tuesday, 30th September 2025 05:53 17:40

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