Vietnam
Phu Quoc in September: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Phu Quoc in September is climatically well suited to beach holidays. The average daily high is around 28 °C, and the sea is about 29 °C. With about 26 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
56/100 · #6
Warmth
#12
Dryness
#9
Sun
#11
Sea warmth
#9
Published best categories: none
Phu Quoc · SeptemberPhoto: Trantuonglam · CC BY-SA 4.0Climate facts
- Average high
- 28 °C
- Average low
- 26 °C
- Sea
- 29 °C
- Rainy days (est.)
- 26 rainy days (est.)
- Sun (est.)
- 5 h/day
- Humidity
- 87 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| August | 28 | 26 | 27 | 415 | 5.4 | 87 | 3.3 | 29 | 56 |
| September (selected) | 28 | 26 | 26 | 438 | 5.2 | 87 | 3.0 | 29 | 56 |
| October | 28 | 26 | 27 | 277 | 5.9 | 85 | 2.2 | 29 | 56 |
How do the previous and next months compare?
Baseline: September (56/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| August | ±0 | +0.1 °C | +0.2 °C | +0.3 | -23.5 mm | +0.2 h | -0.4 % | +0.3 m/s | ±0 °C |
| October | ±0 | +0.3 °C | -0.2 °C | +0.3 | -160.9 mm | +0.7 h | -1.8 % | -0.8 m/s | +0.2 °C |
All twelve months in context
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Where to stay in Phu Quoc
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Useful next decisions
Frequently asked questions
How warm is Phu Quoc in September?
The average daily high is around 28 °C, with an average daily low of about 26 °C.
Can you swim in Phu Quoc in September?
The sea is about 29 °C (very warm).
Does it rain a lot in Phu Quoc in September?
The curated estimate is about 26 rainy days per month, not a directly measured long-term average. Total precipitation averages around 438 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Phu Quoc?
By the climate score, January, February, March and December are the strongest months for Phu Quoc. For a beach trip: January, February, March and December. September is not among them.