Aerial view of downtown Newark

Weather · September

Newark weather in September

Average highs of 78°F, lows of 61°F and 3.8 in of rain, from 30 years of weather records.

September is Newark’s 4th warmest month, with average highs of 78°F and lows of 61°F. That is 7° cooler than August, and 14° above the yearly average high.

Average high
78°F
Average low
61°F
Precipitation
3.8 in
Wet days
9
Sunrise · sunset
6:37 AM · 7:07 PM

September across the year

  1. 40°26°Jan
  2. 43°27°Feb
  3. 51°34°Mar
  4. 63°44°Apr
  5. 73°54°May
  6. 82°64°Jun
  7. 87°69°Jul
  8. 85°68°Aug
  9. 78°61°Sep
  10. 66°49°Oct
  11. 55°39°Nov
  12. 45°31°Dec

High and low Rain

What to wear in September

  • Warm days: shorts and T-shirts.
  • Pack an umbrella or rain jacket: rain or snow falls on about 9 days this month.

September is good for

What’s on in Newark in September

See all upcoming events and school days off.

Around Newark

Aerial view of Branch Brook Park within the northern portion of Newark, Essex County, New Jersey from an aircraft which just
2025-09-12 12 26 19 Aerial view of Branch Brook Park within the northern portion of Newark, Essex County, New Jersey from an aircraft which just departed from Newark Liberty International AirportFamartin · CC BY-SA 4.0
Episcopal Diocese of Newark office building jeh
Episcopal Diocese of Newark office building jehJim.henderson · Public domain
Miltary Park Carousel jeh, Newark
Miltary Park Carousel jehJim.henderson · CC BY-SA 4.0

See Newark

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September compared with the months around it

MonthHighLowRain
August85°F68°F4.2 in
September78°F61°F3.8 in
October66°F49°F3.8 in

Planning a trip? See the best time to visit Newark and today’s forecast.

Questions

How hot does it get in Newark in September?

Average highs are 78°F and average lows 61°F, for a daily mean of 69°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Newark in September?

September averages 3.8 in of precipitation over about 9 days with at least 0.01 in. It is the 8th wettest month of the year.

What time is sunset in Newark in September?

Around mid-September the sun rises about 6:37 AM and sets about 7:07 PM, for roughly 12.5 hours of daylight.

Is September a good time to visit Newark?

Yes. September is one of the mildest months, with highs between 65°F and 85°F and little rain.

NOAA U.S. Climate Normals 1991–2020, Newark Intl Ap station (3.7 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.

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