September weather forecastStaten Island, NY
September
Weather in September
In Staten Island, the dawn of September brings the onset of Autumn. Sea temperatures begin their decent, recording 70.1°F (21.2°C) this month, acting as a pivot from the intense heat of August. Gradually shrinking daylight hours and cooler winds whisper the arrival of fall, epitomizing the transition from summer to autumn. A myriad of colors infuse the landscapes, accentuating the beauty of the transition period. As the change in weather advances, the anticipation of the upcoming cooler period in October grows.Ocean temperature
In Staten Island, the average seawater temperature in September is 70.2°F (21.2°C).Note: In water with a temperature of 70.2°F (21.2°C), most individuals do not find swimming enjoyable. As the temperature falls from 69.8°F (21°C) to 59°F (15°C), breathing control becomes more difficult.
Daylight
In September, the average length of the day is 12h and 27min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:39 pm EDT.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In September, the average ocean temperature in Staten Island is 70.2°F (21.2°C). For most, swimming in 70.2°F (21.2°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).
In September, the average day length is 12h and 27min.
On the first day of September, sunrise is at 6:24 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm EDT.
Average sea temperature in September
Staten Island, NY
- Average sea temperature in September: 70.1°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in September
Staten Island, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).





