Virgin Islands National Park
United States Virgin Islands, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Virgin Islands National Park, VI

The ideal ocean temperature of 84.9°F (29.4°C) makes September in Virgin Islands National Park, United States Virgin Islands, the best time for swimming and other water activities.

Ocean temperature

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

Daylight

In September, the average length of the day is 12.2h.

What month 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.

How warm is the water in September in Virgin Islands National Park?

In September, the average ocean temperature in Virgin Islands National Park, United States Virgin Islands, 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?

In Virgin Islands National Park, the average length of the day in September is 12.2h.
Average sea temperature in September - Virgin Islands National Park, VI
  • Average sea temperature in September: 29.4°C

The best month for swimming (with the highest average sea temperature) is September (29.4°C).
The coldest month (with the lowest average sea temperature) is February (25.9°C).

Average daylight in September - Virgin Islands National Park, VI
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 13.2h).
The month with shortest days is December (Average daylight: 11h).