Also consider one of our other suggestions for September.
The average maximum temperature in Yaeyama Islands in September is 31°. The average maximum temperature is 31° in the previous month and 28° in the next month.
The average temperature in Yaeyama Islands in September is 28°. The average temperature ranges is 29° in the previous month and 26° in the next month.
The average minimum temperature in Yaeyama Islands in September is 26°. The minimum temperature is 27° in the previous month and 24° in the next month.
The average day light hours per day in Yaeyama Islands in September are 12.3 and there are 5.7 hours of sunshine per day on average during September making it a sunny month that is overcast at times.
The ultraviolet index in Yaeyama Islands in September is typically 11.2 during September. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. 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 Yaeyama Islands in September is 29.1° which is very warm and ideal for relaxing and swimming for the whole day.
The average total rainfall in Yaeyama Islands in September is 2.2cm and on average there are 14.7 rainy days in September making it a slightly wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Yaeyama Islands in September is 25° which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning. The dew point is 26° in the previous month and 22° in the next month.
The average maximum relative humidity in Yaeyama Islands in September is typically 87.7%. The maximum relative humidity is 88.9% in the previous month and 83.2% in the next month.
The average relative humidity in Yaeyama Islands in September is typically 75.7%. The average relative humidity is 78% in the previous month and 72.2% in the next month.
The average maximum wind speed in Yaeyama Islands in September is typically 28kmh. The average maximum wind speed is 28kmh in the previous month and 32kmh in the next month.
The average wind speed in Yaeyama Islands in September is typically 20kmh. The average wind speed is 19kmh in the previous month and 24kmh in the next month.
The average wind direction in Yaeyama Islands in September is from the East-Northeast.
