Weather in Folly Island, United States in September

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Visiting Folly Island, United States in September

September is one of the best months to visit Folly Island for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

The weather in September is cooler than the previous month and temperatures continue to drop quickly into October. September has average maximum temperatures of 29°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 67% making it sunny but overcast at times. The hours of sunshine per day are 8.3hrs making the days long and bright.

September has total rainfall of 13.2cm (5.2inches) making it quite dry with only moderate showers. There are just 9.6 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

Sea temperatures are a very warm 27°C (81°F). September is an excellent month for swimming in Folly Island with very comfortable temperatures for bathing all day. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop into October.

Also consider visiting Folly Island in one of the other best months of June, July, August, for the best beach weather. Also consider one of our other suggestions for September.

Can you sunbathe in Folly Island in September?

Yes, September is a good time for sunbathing in Folly Island.

September has average maximum temperatures of 29°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 67% making it sunny but overcast at times. The hours of sunshine per day are 8.3hrs making the days long and bright. September has total rainfall of 13.2cm (5.2inches) making it quite dry with only moderate showers. There are just 9.6 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.

Can you swim in Folly Island in September?

Yes, September is an excellent month for swimming in Folly Island with very warm sea temperatures 27°C (81°F).

More about September sea temperatures.

Is September a good time to holiday in Folly Island?

Yes, September is a great time for a holiday in Folly Island.

September has average maximum temperatures of 29°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 67% making it sunny but overcast at times. The hours of sunshine per day are 8.3hrs making the days long and bright. September has total rainfall of 13.2cm (5.2inches) making it quite dry with only moderate showers. There are just 9.6 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. Sea temperatures are a very warm 27°C (81°F). September is an excellent month for swimming in Folly Island with very comfortable temperatures for bathing all day.

More about the September temperatures and sunshine.

Is Folly Island warm in September?

Yes, Folly Island is very warm and perfect for sunbathing on clear days in September.

The average maximum temperature in Folly Island in September is 29°C (85°F). The average maximum temperature is 32°C (89°) in the previous month and 25°C (77°F) in the next month.

The average temperature in Folly Island in September is 25°C (77°F). The average temperature is 28°C (82°F) in the previous month and 20°C (68°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Folly Island in September?

The average day light hours per day in Folly Island in September are 12.4. The sunshine percentage is 67% making it sunny but overcast at times. The hours of sunshine per day are 8.3hrs making the days long and bright.

More about September sunshine.

Temperature in Folly Island in September

The weather in September is cooler than the previous month and temperatures continue to drop quickly into October. The average maximum temperature in Folly Island in September is 29°C (85°F). The average maximum temperature is 32°C (89°F) in the previous month and 25°C (77°F) in the next month.

The average temperature in Folly Island in September is 25°C (77°F). The average temperature is 28°C (82°F) in the previous month and 20°C (68°F) in the next month.

The average minimum temperature in Folly Island in September is 21°C (69°F). The minimum temperature is 24°C (75°F) in the previous month and 15°C (59°F) in the next month.

Sunshine in Folly Island in September

The days in September are slightly shorter than the previous month and days continue to get slightly shorter into October. September has far fewer hours of sunshine than the previous month and hours of sunshine continue to drop into October. During September the average day light hours are 12.4 per day in Folly Island. The sunshine percentage is 67% making it sunny but overcast at times. The hours of sunshine per day are 8.3hrs making the days long and bright.

The ultraviolet index in Folly Island in September is typically 8.7 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.

Sea Temperature in Folly Island in September

The average sea water temperature in Folly Island in September is 27.2°C (81.0°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop into October.

Rainfall in Folly Island in September

September weather is marginally drier than the previous month and rainfall continues to drop into October. September has a couple of less days of rain than the previous month and rainy days continue to drop into October. The average total rainfall in Folly Island in September is 13.2cm (5.2inches) and on average there are 9.6 rainy days in September making it a quite rainy time to visit the beach.

Humidity in Folly Island in September

The maximum dew point (an indicator of humidity) in Folly Island in September is 22°C (72°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 25°C (77°F) in the previous month and 18°C (18°F) in the next month.

The average maximum relative humidity in Folly Island in September is typically 93.9%. The maximum relative humidity is 94.6% in the previous month and 93.7% in the next month.

The average relative humidity in Folly Island in September is typically 78.6%. The average relative humidity is 79.5% in the previous month and 75.2% in the next month.

Wind Speed in Folly Island in September

The average maximum wind speed in Folly Island in September is typically 22KM/H (14MPH). The average maximum wind speed is 22KM/H (14MPH) in the previous month and 22KM/H (14MPH) in the next month.

The average wind speed in Folly Island in September is typically 9KM/H (5MPH). The average wind speed is 8KM/H (5MPH) in the previous month and 9KM/H (5MPH) in the next month.

The average wind direction in Folly Island in September is from the East-Northeast.

Monthly Averages

Suggested Beaches in September

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.