September weather forecast
Virgin Islands National Park, VI

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Weather in September

In September, the sea temperature reaches a high of 85°F (29.4°C) in the Virgin Islands National Park, maintaining the trend from the previous month. Despite the high temperatures, the park’s diverse species continue to thrive. As the foliage turns deeper shades of green, the contrasting blues of the sea make for scenic views. A variety of outdoor activities remain inviting, captivated by the park’s natural charm.

Ocean temperature

With an average ocean temperature of 84.9°F (29.4°C), September is the month with the warmest seawater.
Note: Water temperatures between 77°F (25°C) and 84.2°F (29°C) are ideal for all water activities, offering enjoyment without causing discomfort over extended periods.

Daylight

The average length of the day in September in Virgin Islands National Park, United States Virgin Islands, is 12h and 14min.
On the first day of the month, sunrise is at 6:04 am and sunset at 6:32 pm. On the last day of September, sunrise is at 6:09 am and sunset at 6:08 pm AST.
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Frequently asked questions

When is the ocean warmest in Virgin Islands National Park?

With an average ocean temperature of 84.9°F (29.4°C), September is the month with the warmest seawater in Virgin Islands National Park.

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

In Virgin Islands National Park, United States Virgin Islands, in September, the average water temperature is 84.9°F (29.4°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

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

The average day length in September in Virgin Islands National Park is 12h and 14min.

What time are sunrise and 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 6:32 pm. On the last day of the month, in Virgin Islands National Park, 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 1min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).

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Virgin Islands National Park, United States Virgin Islands, USA

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