Nha Trang Weather in September

September in Nha Trang brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 26°C (79°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Nha Trang in September

As part of the rainy season, Nha Trang sees around 20 days of rain in September, with an average of 218 mm (8.6 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Nha Trang in September

Daytime temperatures in Nha Trang reach 31°C (88°F) in September, dropping to 26°C (79°F) at night. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With lows of 26°C (79°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.

Sunshine in Nha Trang in September

The city usually sees around 203 hours of sunlight, indicating many sunny days despite it being the rainy season.

Average water temperature in September

At 29°C (84°F), the water is very warm, more like a heated pool than the sea. Great for those who like warm water, though some may find it less refreshing on a hot day.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Nha Trang. Our weather planner can help you explore destinations with more pleasant weather conditions.