Seaside Heights weather in September 2025

Q: How hot is it in Seaside Heights in September?

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

Q: How sunny is it in Seaside Heights in September?

There are normally 7 hours of bright sunshine each day in Seaside Heights in September - that's 60% of daylight hours.

Q: How warm is the sea around Seaside Heights in September?

The average sea temperature around Seaside Heights in September is 21°C.

Q: Does it rain in Seaside Heights in September?

There are usually 8 days with some rain in Seaside Heights in September and the average monthly rainfall is 87mm.

Q: What is the chance of a cyclone in Seaside Heights in September?

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

Expect 25°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Seaside Heights in September. Check more long-term weather averages for Seaside Heights in September before you book your next holiday to New Jersey in 2025/2026.

25
25°C max day temperature
7
7 hours of sunshine per day
8
8 days with some rainfall
15
15°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
87
87 mm of monthly rainfall
6
6 (High) UV index
21
21°C sea temperature

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The September weather guide for New Jersey (Seaside Heights) 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 / mm) | Imperial (°F / inches)

More about the USA

How hot is it in Seaside Heights in September?

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

How sunny is it in Seaside Heights in September?

There are normally 7 hours of bright sunshine each day in Seaside Heights in September - that's 60% of daylight hours.

How warm is the sea around Seaside Heights in September?

The average sea temperature around Seaside Heights in September is 21°C.

Does it rain in Seaside Heights in September?

There are usually 8 days with some rain in Seaside Heights in September and the average monthly rainfall is 87mm.

What is the chance of a hurricane in Seaside Heights in September?

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

Seaside Heights September sunrise & sunset times

Browse the sunrise and sunset times for Seaside Heights in September 2025. Select a month to view Seaside Heights 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	18:27
Monday, 15th September 2025	05:38	18:04
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