Weather in September
Ocean temperature
In Mystic Island, New Jersey, in September, the average water temperature is 71.2°F (21.8°C).Note: Swimming in 71.2°F (21.8°C) is not an enjoyable experience for most. Breathing becomes progressively more challenging as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).
Daylight
In Mystic Island, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:28 pm. On the last day of September, in Mystic Island, sunrise is at 6:53 am and sunset at 6:41 pm EDT.
Frequently asked questions
What is the ocean temperature in September in Mystic Island?
In September, the average ocean temperature in Mystic Island is 71.2°F (21.8°C). Swimming in 71.2°F (21.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).
How many hours of daylight does Mystic Island have in September?
In Mystic Island, the average day length in September is 12h and 26min.
What time are sunrise and sunset in September in Mystic Island?
On the first day of September in Mystic Island, New Jersey, sunrise is at 6:26 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:41 pm EDT.
Average sea temperature in September
Mystic Island, NJ
- Average sea temperature in September: 71.2°F
The best month for swimming (with the highest average sea temperature) is August (75.8°F).
The coldest month (with the lowest average sea temperature) is February (40.8°F).
Average daylight in September
Mystic Island, NJ
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
Mystic Island, New Jersey, USA
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