September · Vietnam
Best time to visit Phong Nha in SeptemberWeather, crowds & prices
September score
3.4/10
Ranked #12 of 12 months
- Avg temp
- 26°C
- Rainfall
- 532 mm
- Humidity
- 88%
- Sunny days
- 14
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Phong Nha scores 3.4/10 for nature and wildlife travel - ranked #12 of 12. Expect around 26°C, 532 mm of rain, and roughly 14 sunny days this month.
Phong Nha anchors the world's largest cave country with Son Doong expeditions and river cave boats. Best window: the drier months outside peak monsoon.
Frequently asked
- What is the weather like in Phong Nha in September?
- In September, Phong Nha averages 26°C, 532 mm of rain, and about 14 sunny days. Its climate-comfort score is 3.4/10.
- Is September a good time to visit Phong Nha?
- September earns a 3.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Phong Nha in September?
- Expect about 532 mm of rain in September. Average humidity is 88% and there are about 14 sunny days.
Curated in Phong Nha
Tickets & experiences
Things to do in Phong Nha
Phong Nha, Vietnam. Live activities and tours from GetYourGuide, matched to this destination.