Nha Trang vs Phnom Penh

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Nha Trang edges ahead as the better destination in September. Nha Trang offers 9 hours of daily sunshine with only 26 rain days, while Phnom Penh sees 9 sunshine hours and 27 rain days.

Nha Trang can feel quite hot at 30°C, so plan for heat. Phnom Penh runs hot at 31°C.

For travelers who prioritize dry weather, Nha Trang 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.

Phnom Penh averages 31°C (88°F) for the high and 24°C (75°F) for the low, with a daily range of 7°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.

Phnom Penh sees 251 mm over 27 rain days. That makes Nha Trang the drier option by 1 rain day and 42 mm of total precipitation.

Both cities share similar humidity levels at 82%.