Ha Long Weather in September

September in Ha Long brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 25°C (77°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Ha Long in September

Ha Long is in the rainy season in September, with rain on around 14 days and an average of 284 mm (11 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.

Temperature in Ha Long in September

In September, Ha Long sees very high temperatures, with highs of 31°C (88°F). Nights drop to around 25°C (77°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Ha Long in September

The month enjoys around 190 hours of sunshine. The wet weather tends to wait until afternoon or evening to arrive, leaving the first half of most days dry and sunny.

September in Ha Long has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.