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Jersey City weather in September 2025
Expect daytime maximum temperatures of 25°C in Jersey City, New Jersey in September based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 96 mm of rainfall in the month.
- 25°C max day temperature
25 - 7 hours of sunshine per day
- 8 days with some rainfall
8 - 15°C min night temperature
15 - 12 hours of daylight per day
12 - No heat & humidity
0 - 96 mm of monthly rainfall
96 - 6 (High) UV index
6 - 21°C sea temperature
21
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Recommended for New Jersey
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 / mm) | Imperial (°F / inches)
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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.
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 21°C.
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.
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.
JanFebMarAprMayJunJulAugSepOctNovDec
| 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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