Weather in Phu Quoc in September 2025
- September is usually the wettest month of the year in Phu Quoc;
Average weather
Average temperature in Phu Quoc in September
Going from a maximum of +30°C during the day to a minimum of +25°C during the night, the temperature in September averages around +28°C.
The average maximum temperature goes up 20% by the end of the month, compared with the beginning of the month, from +27°C to +28°C.
Is Phu Quoc warm or cold in September?
Phu Quoc is typically warm in September.
Maximum temperatures go up compared to the previous month from +28°C to +28°C. The minimum temperature also goes up from +25°C to +25°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Phu Quoc:
Climate in Phu Quoc in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +28°C | +28°C | ||||
| Min. temperature | ||||||
| +23°C | +24°C | +23°C | ||||
| Max. temperature | ||||||
| +33°C | +33°C | +33°C | ||||
| Rainfall | ||||||
| 389 mm | 399 mm | 329 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 2 m/s | ||||
| Humidity | ||||||
| 84% | 85% | 83% | ||||
| Air pressure | ||||||
| 1007 HPa | 1008 HPa | 1009 HPa | ||||
| Sunny days | ||||||
| 0 | 0 | 0 | ||||
| Cloudy days | ||||||
| 1 | 1 | 1 | ||||
| Rainy days | ||||||
| 26 | 24 | 23 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. The temperature levels stay the same in the area of +28°C for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 389 mm to 399 mm. Humidity rises from 84% to 85%. The average wind speed doesn’t change much during September, staying around 4 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Phu Quoc is gradually decreasing during September, going from 7 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Phu Quoc?
Climate Change over Years
The climate in Phu Quoc in September has not changed much over the last 43 years.
The average temperature was the lowest in 1986 (+28°C) and the highest in 2020 (+31°C). The driest year was 1990 with only 1903 mm of rainfall, and the wettest year was 2000 with 3160 mm.
FAQ
Is September a good time to visit Phu Quoc?
Can you sunbathe in Phu Quoc in September?
Is Phu Quoc rainy in September?
Is it sunny in Phu Quoc in September?
Other cities in Vietnam
Monthly weather in Phu Quoc
Source of the data
For this page, we’ve looked at the typical weather in Phu Quoc, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.