September weather forecast
Virgin Islands National Park, VI

Weather in September

The perfect water temperature of 84.9°F (29.4°C) makes September a great period for swimming and other water activities in Virgin Islands National Park, United States Virgin Islands.

Ocean temperature

With an average ocean temperature of 84.9°F (29.4°C), September is the month with the warmest seawater.
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In September, the average length of the day in Virgin Islands National Park is 12h and 14min.
On the first day of September, sunrise is at 6:04 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 6:08 pm AST.
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FAQ

When is the ocean warmest in Virgin Islands National Park?

September is the month with the warmest seawater, with an average ocean temperature of 84.9°F (29.4°C).

What is the water temperature in September in Virgin Islands National Park?

In September, the average ocean temperature is 84.9°F (29.4°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in September in Virgin Islands National Park?

In Virgin Islands National Park, United States Virgin Islands, the average day length in September is 12h and 14min.

When is the sunrise / sunset in September in Virgin Islands National Park?

In September, on the first day of the month, sunrise is at 6:04 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 6:08 pm AST.

Average sea temperature in September
Virgin Islands National Park, VI

Average sea temperature in September - Virgin Islands National Park, VI
  • Average sea temperature in September: 85°F

The best month for swimming (with the highest average sea temperature) is September (85°F).
The coldest month (with the lowest average sea temperature) is February (78.7°F).

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Average daylight in September
Virgin Islands National Park, VI

Average daylight in September - Virgin Islands National Park, VI
  • Average daylight in September: 12h and 14min

The month with the longest days is June (Average daylight: 13h and 13min).
The month with the shortest days is December (Average daylight: 11h and 3min).

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