Nha Trang vs Hoi An

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Hoi An edges ahead as the better destination in September. Hoi An offers 9 hours of daily sunshine with only 23 rain days, while Nha Trang sees 9 sunshine hours and 26 rain days.

Nha Trang can feel quite hot at 30°C, so plan for heat. Hoi An runs hot at 30°C.

For travelers who prioritize dry weather, Hoi An is the stronger choice in September.

Nha Trang reaches an average high of 30°C (86°F) and drops to 25°C (77°F) at night during September. The daily temperature range is 5°C, meaning relatively stable temperatures from day to night.

Hoi An averages 30°C (86°F) for the high and 25°C (77°F) for the low, with a daily range of 5°C. The two cities feel quite similar in terms of temperature.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.

Nha Trang receives approximately 293 mm of rainfall across 26 rain days during September. Rain is frequent, so waterproof gear is essential.

Hoi An sees 296 mm over 23 rain days. That makes Hoi An the drier option by 3 rain days and 3 mm of total precipitation.

Humidity also differs: Nha Trang averages 82% while Hoi An sits at 78%. Nha Trang will feel muggier, especially at higher temperatures.