September weather forecast
Vũng Tàu, Vietnam

Vũng Tàu welcomes autumn with the highest amount of rainfall recorded in the year, 253mm (9.96"). This marks September as the month with most rainfall in terms of volume. The daily sunlight duration starts to shrink comparatively, contributing to the mellow fall vibe. Nevertheless, the relatively high temperature and high humidity keep the tropical atmosphere alive. Even with the monsoon at its peak, the city maintains a lively, pulsating rhythm.

Temperature

As September takes hold, the average high-temperature is a still hot 30°C (86°F), nearly mirroring that of the previous month. Vũng Tàu experiences a steady low-temperature of 24°C (75.2°F) throughout September.

Rainfall

In Vũng Tàu, during September, the rain falls for 20 days and regularly aggregates up to 253mm (9.96") of precipitation. Throughout the year, there are 156 rainfall days, and 1833mm (72.17") of precipitation is accumulated.

Sea temperature

In Vũng Tàu, in September, the average water temperature is 28.3°C (82.9°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In Vũng Tàu, the average length of the day in September is 12h and 11min.
On the first day of the month, sunrise is at 05:41 and sunset at 18:00. On the last day of September, in Vũng Tàu, sunrise is at 05:40 and sunset at 17:42 +07.

Sunshine

In Vũng Tàu, Vietnam, the average sunshine in September is 5h.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an extreme threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 12 during September translates into the following directions:
Adopt every vital precaution, unprotected skin and eyes may burn rapidly. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. After a swim or an outdoor workout, generously apply and regularly reapply a sunscreen with at least SPF 30, even if the day is cloudy. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.