Phnom Penh vs Phu Quoc

Phnom Penh and Phu Quoc are closely matched in September. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.

Phnom Penh can feel quite hot at 31°C, so plan for heat. Phu Quoc is also comfortable at 28°C.

For travelers who prioritize dry weather, both cities are equally dry in September. Phnom Penh receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Phnom Penh reaches an average high of 31°C (88°F) and drops to 24°C (75°F) at night during September. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Phu Quoc averages 28°C (82°F) for the high and 25°C (77°F) for the low, with a daily range of 3°C. The 3°C difference is noticeable but not dramatic.

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

Phnom Penh receives approximately 251 mm of rainfall across 27 rain days during September. Rain is frequent, so waterproof gear is essential.

Phu Quoc sees 396 mm over 27 rain days. Both cities are equally rainy this month.

Both cities share similar humidity levels at 82%.