September · Vietnam
Best time to visit Ha Long Bay in SeptemberWeather, crowds & prices
September score
3.0/10
Ranked #12 of 12 months
- Avg temp
- 28°C
- Rainfall
- 459 mm
- Humidity
- 85%
- Sunny days
- 15
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Ha Long Bay scores 3.0/10 for nature and wildlife travel - ranked #12 of 12. Expect around 28°C, 459 mm of rain, and roughly 15 sunny days this month.
Limestone karst cruises feel finest in clearer January through March.
Frequently asked
- What is the weather like in Ha Long Bay in September?
- In September, Ha Long Bay averages 28°C, 459 mm of rain, and about 15 sunny days. Its climate-comfort score is 3.0/10.
- Is September a good time to visit Ha Long Bay?
- September earns a 3.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Ha Long Bay in September?
- Expect about 459 mm of rain in September. Average humidity is 85% and there are about 15 sunny days.
Curated in Ha Long Bay
Tickets & experiences
Things to do in Ha Long Bay
Ha Long Bay, Vietnam. Live activities and tours from GetYourGuide, matched to this destination.