Weather & Sea Condition Update for Phu Quoc: September 6 – 19, 2025Forecast by OnBird Phu Quoc September 6: Light to moderate rain in the morning, rain stops between 8:00–8:30, sunny from 9:00 onwards, mild to moderate sunshine in the afternoon. September 7 – 17: Strong sunshine, almost no rain, calm sea – the best...