Jersey City weather in September 2025

Q: How hot is it in Jersey City in September?

Daytime temperatures usually reach 25°C in Jersey City in September with no heat and humidity, falling to 15°C at night.

Q: How sunny is it in Jersey City in September?

There are normally 7 hours of bright sunshine each day in Jersey City in September - that's 58% of daylight hours.

Q: How warm is the sea around Jersey City in September?

The average sea temperature around Jersey City in September is 21°C.

Q: Does it rain in Jersey City in September?

There are usually 8 days with some rain in Jersey City in September and the average monthly rainfall is 96mm.

Q: What is the chance of a cyclone in Jersey City in September?

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

Expect 77°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Jersey City in September. Check more long-term weather averages for Jersey City 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
59
59°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
3.8
3.8 inches of monthly rainfall
6
6 (High) UV index
70
70°F sea temperature

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The September weather guide for New Jersey (Jersey City) 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)

More about the USA

How hot is it in Jersey City in September?

Daytime temperatures usually reach 77°F in Jersey City in September with no heat and humidity, falling to 59°F at night.

How sunny is it in Jersey City in September?

There are normally 7 hours of bright sunshine each day in Jersey City in September - that's 58% of daylight hours.

How warm is the sea around Jersey City in September?

The average sea temperature around Jersey City in September is 70°F.

Does it rain in Jersey City in September?

There are usually 8 days with some rain in Jersey City in September and the average monthly rainfall is 3.8 inches.

What is the chance of a hurricane in Jersey City in September?

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

Jersey City September sunrise & sunset times

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Monday, 1st September 2025	05:24	18:28
Monday, 15th September 2025	05:37	18:05
Tuesday, 30th September 2025	05:52	17:40

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New Jersey - quick facts
Flight time^✝	8 hours
Time difference	UK -5 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Tourist info	New Jersey Division of Travel & Tourism