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Best
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Best
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Best
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Best
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Tan
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Tan
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Tan
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Tan
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Tan
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Sea
17°
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Sea
16°
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Sea
16°
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Sea
16°
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Sea
18°
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Sea
22°
Swim
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Sea
24°
Swim
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Sea
26°
Swim
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Sea
25°
Swim
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Sea
22°
Swim
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Sea
20°
Swim
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Sea
18°
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September is one of the best months to visit St Thomas Bay for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.
September has average maximum temperatures of 28°C (82°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 80% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.9hrs making the days long and bright. September has total rainfall of 5.7cm (2.2inches) making it mostly dry with only light showers. There are just 8.7 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. Sea temperatures are a warm 25°C (76°F). September is a good month for swimming in St Thomas Bay with comfortable temperatures for most people.
Also consider visiting St Thomas Bay in one of the other best months of June, July, August, for the best beach weather.
As summer transitions into autumn in September, the weather remains warm and sunny, making it an excellent time for swimming, sunbathing, and beach activities. Snorkeling, diving, and water sports like windsurfing and kitesurfing continue to be popular due to the warm sea temperatures and favorable wind conditions. Also consider one of our other suggestions for September.
Yes, September is a great time for sunbathing in St Thomas Bay.
September has average maximum temperatures of 28°C (82°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 80% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.9hrs making the days long and bright. September has total rainfall of 5.7cm (2.2inches) making it mostly dry with only light showers. There are just 8.7 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.
More about September temperature and sunshine.
Yes, September is a good month for swimming in St Thomas Bay with warm sea temperatures 25°C (76°F).
More about September sea temperatures.
Yes, September is a great time for a holiday in St Thomas Bay.
September has average maximum temperatures of 28°C (82°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 80% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.9hrs making the days long and bright. September has total rainfall of 5.7cm (2.2inches) making it mostly dry with only light showers. There are just 8.7 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. Sea temperatures are a warm 25°C (76°F). September is a good month for swimming in St Thomas Bay with comfortable temperatures for most people.
More about the September temperatures and sunshine.
Yes, St Thomas Bay is very warm and perfect for sunbathing on clear days in September.
The average maximum temperature in St Thomas Bay in September is 28°C (82°F). The average maximum temperature is 31°C (88°) in the previous month and 24°C (76°F) in the next month.
The average temperature in St Thomas Bay in September is 24°C (76°F). The average temperature is 27°C (80°F) in the previous month and 21°C (70°F) in the next month.
More info about the September temperatures and sunshine.
The average day light hours per day in St Thomas Bay in September are 12.4. The sunshine percentage is 80% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.9hrs making the days long and bright.
More about September sunshine.
September sees a decrease in crowd levels at St Thomas Bay, with average temperatures around 25°C. The beach is still busy, especially during weekends and the public holiday of Independence Day, but it is less crowded compared to July and August.
The average maximum temperature in St Thomas Bay in September is 28°C (82°F). The average maximum temperature is 31°C (88°F) in the previous month and 24°C (76°F) in the next month.
The average temperature in St Thomas Bay in September is 24°C (76°F). The average temperature is 27°C (80°F) in the previous month and 21°C (70°F) in the next month.
The average minimum temperature in St Thomas Bay in September is 21°C (70°F). The minimum temperature is 23°C (73°F) in the previous month and 18°C (65°F) in the next month.
During September the average day light hours are 12.4 per day in St Thomas Bay. The sunshine percentage is 80% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.9hrs making the days long and bright.
The ultraviolet index in St Thomas Bay in September is typically 7.7 during September. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in St Thomas Bay in September is 24.7°C (76.5°F) which is warm and pleasant for relaxing and swimming for long periods.
The average total rainfall in St Thomas Bay in September is 5.7cm (2.2inches) and on average there are 8.7 rainy days in September making it a quite rainy time to visit the beach.
The maximum dew point (an indicator of humidity) in St Thomas Bay in September is 21°C (69°F) which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 22°C (72°F) in the previous month and 19°C (19°F) in the next month.
The average maximum relative humidity in St Thomas Bay in September is typically 88.7%. The maximum relative humidity is 89.9% in the previous month and 91.1% in the next month.
The average relative humidity in St Thomas Bay in September is typically 71.3%. The average relative humidity is 67% in the previous month and 76.2% in the next month.
The average maximum wind speed in St Thomas Bay in September is typically 23KM/H (14MPH). The average maximum wind speed is 20KM/H (13MPH) in the previous month and 22KM/H (14MPH) in the next month.
The average wind speed in St Thomas Bay in September is typically 12KM/H (7MPH). The average wind speed is 10KM/H (6MPH) in the previous month and 12KM/H (7MPH) in the next month.
The average wind direction in St Thomas Bay in September is from the West-Northwest.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
