September is a hot and very rainy time for sunbathing in Vietnam. September is an excellent month for swimming in Vietnam with very warm sea temperatures. Consider visiting Vietnam in the months of February, March, April, May, for the best beach weather. Also consider one of our other suggestions for September.
The average maximum temperature in Vietnam in September is 32°. The average maximum temperature is 32° in the previous month and 31° in the next month.
The average temperature in Vietnam in September is 28°. The average temperature ranges is 29° in the previous month and 27° in the next month.
The average minimum temperature in Vietnam in September is 25°. The minimum temperature is 25° in the previous month and 24° in the next month.
The average day light hours per day in Vietnam in September are 12.2 and there are 6 hours of sunshine per day on average during September making it a sunny month that is overcast at times.
The ultraviolet index in Vietnam in September is typically 13.7 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 Vietnam in September is 28.9° which is very warm and ideal for relaxing and swimming for the whole day.
The average total rainfall in Vietnam in September is 107.3cm and on average there are 16.4 rainy days in September making it a very wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Vietnam in September is 26° 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 25° in the next month.
The average maximum relative humidity in Vietnam in September is typically 92.3%. The maximum relative humidity is 90.4% in the previous month and 91.7% in the next month.
The average relative humidity in Vietnam in September is typically 77.8%. The average relative humidity is 74.4% in the previous month and 77.7% in the next month.
The average maximum wind speed in Vietnam in September is typically 22kmh. The average maximum wind speed is 22kmh in the previous month and 22kmh in the next month.
The average wind speed in Vietnam in September is typically 8kmh. The average wind speed is 8kmh in the previous month and 8kmh in the next month.
The average wind direction in Vietnam in September is from the West-Northwest.
