Weather in Amami Oshima Island, Satsunan Islands, Japan in September

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Visiting Amami Oshima Island, Satsunan Islands, Japan in September

September is one of the best months to visit Amami Oshima Island 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 30°C (86°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. Sea temperatures are a very warm 28°C (82°F). September is an excellent month for swimming in Amami Oshima Island with very comfortable temperatures for bathing all day.

Also consider visiting Amami Oshima Island in one of the other best months of July, August, October, for the best beach weather.

The weather in September remains warm and sunny, but with an increase in rainfall due to the typhoon season. Swimming, sunbathing, and beach activities are still enjoyable, but be prepared for occasional rain showers. Snorkeling, diving, surfing, windsurfing, and kitesurfing remain popular during this month, but be cautious of changing weather conditions. Also consider one of our other suggestions for September.

Can you sunbathe in Amami Oshima Island in September?

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

September has average maximum temperatures of 30°C (86°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.

More about September temperature and sunshine.

Can you swim in Amami Oshima Island in September?

Yes, September is an excellent month for swimming in Amami Oshima Island with very warm sea temperatures 28°C (82°F).

More about September sea temperatures.

Is September a good time to holiday in Amami Oshima Island?

Yes, September is a good time for a holiday in Amami Oshima Island.

September has average maximum temperatures of 30°C (86°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. Sea temperatures are a very warm 28°C (82°F). September is an excellent month for swimming in Amami Oshima Island with very comfortable temperatures for bathing all day.

More about the September temperatures and sunshine.

Is Amami Oshima Island warm in September?

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

The average maximum temperature in Amami Oshima Island in September is 30°C (86°F). The average maximum temperature is 31°C (88°) in the previous month and 27°C (81°F) in the next month.

The average temperature in Amami Oshima Island in September is 28°C (82°F). The average temperature is 29°C (84°F) in the previous month and 25°C (77°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Amami Oshima Island in September?

The average day light hours per day in Amami Oshima Island in September are 12.3. 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.

Crowds in Amami Oshima Island in September

September is the start of the autumn season in Japan, and the weather is still warm and sunny at Amami Oshima Island. The beach is moderately crowded during this month, as there are no major public holidays or special events.

Temperature in Amami Oshima Island in September

The average maximum temperature in Amami Oshima Island in September is 30°C (86°F). The average maximum temperature is 31°C (88°F) in the previous month and 27°C (81°F) in the next month.

The average temperature in Amami Oshima Island in September is 28°C (82°F). The average temperature is 29°C (84°F) in the previous month and 25°C (77°F) in the next month.

The average minimum temperature in Amami Oshima Island in September is 26°C (78°F). The minimum temperature is 27°C (81°F) in the previous month and 23°C (73°F) in the next month.

Sunshine in Amami Oshima Island in September

During September the average day light hours are 12.3 per day in Amami Oshima 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 Amami Oshima Island in September is typically 10.2 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 Amami Oshima Island in September

The average sea water temperature in Amami Oshima Island in September is 27.6°C (81.7°F) which is very warm and ideal for relaxing and swimming for the whole day.

Humidity in Amami Oshima Island in September

The maximum dew point (an indicator of humidity) in Amami Oshima Island in September is 24°C (75°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 (78°F) in the previous month and 20°C (20°F) in the next month.

The average maximum relative humidity in Amami Oshima Island in September is typically 85.4%. The maximum relative humidity is 86.4% in the previous month and 80.1% in the next month.

The average relative humidity in Amami Oshima Island in September is typically 73.6%. The average relative humidity is 74.8% in the previous month and 69.1% in the next month.

Wind Speed in Amami Oshima Island in September

The average maximum wind speed in Amami Oshima Island in September is typically 26KM/H (16MPH). The average maximum wind speed is 27KM/H (17MPH) in the previous month and 31KM/H (19MPH) in the next month.

The average wind speed in Amami Oshima Island in September is typically 19KM/H (11MPH). The average wind speed is 19KM/H (12MPH) in the previous month and 23KM/H (14MPH) in the next month.

The average wind direction in Amami Oshima 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.