Phú Quý in Fall
In fall (September, October and November), Phú Quý sees average daytime highs around 27°C and overnight lows near 26°C, with 659 mm of rain over about 64 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Across fall, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 18% of the time across fall, and the air most often feels miserable.
Fall is Phú Quý's 3rd-best season to visit on our travel score. Phú Quý has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Phú Quý's year-round climate.
- Avg daytime high
- 27°C
- 3rd-warmest season
- Avg overnight low
- 26°C
- Rainfall
- 659 mm
- 64 wet days
- Avg wind
- 28 km/h
- Travel score
- 4.6
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Phú Quý in Fall
Across fall, daytime highs hold fairly steady around 27°C.
A typical fall day in Phú Quý reaches about 27°C and drops to 26°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Phú Quý
Once humidity and wind are folded in, fall brings about 32 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Phú Quý weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 24° | 36 | 3.6 | 11.5 | 7.8 |
| Feb | 25° / 25° | 11 | 1.9 | 11.7 | 8.2 |
| Mar | 27° / 26° | 28 | 4.6 | 11.9 | 7.7 |
| Apr | 28° / 27° | 53 | 8.1 | 12.2 | 6.6 |
| May | 29° / 27° | 141 | 20.6 | 12.5 | 4.2 |
| Jun | 29° / 27° | 183 | 22.8 | 12.6 | 3.8 |
| Jul | 28° / 27° | 156 | 23.2 | 12.6 | 4.0 |
| Aug | 28° / 27° | 137 | 21.8 | 12.3 | 4.2 |
| Sep | 28° / 27° | 209 | 23.3 | 12.1 | 4.0 |
| Oct | 27° / 26° | 273 | 24 | 11.8 | 4.3 |
| Nov | 27° / 26° | 178 | 16.2 | 11.5 | 5.5 |
| Dec | 26° / 25° | 144 | 11.1 | 11.4 | 6.4 |
Cloud cover in Fall
The sky is clear or mostly clear about 18% of the time across fall.
Chance of precipitation in Fall
Phú Quý gets around 659 mm of rain over 64 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 28 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 12 min in early September to 11 h 24 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 5.1 kWh/m².
Hazard calendar for Phú Quý
In fall, Phú Quý overlaps its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.
Phú Quý sits in the Pacific typhoon belt; the season peaks July–October.
Phú Quý's rainy season runs May–December, when most of the year's rain falls.
Is fall a good time to visit Phú Quý?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Phú Quý for sightseeing.
What to pack for Phú Quý in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Phú Quý sees daytime highs around 27°C and nights near 26°C. Pack light clothes, rain gear and a windbreaker. Worth having: sun protection. About 64 days see rain.
Sea temperature near Phú Quý in Fall
The nearest coast averages about 28°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 14 km away) is warmest in May at about 29°C and coldest in January near 25°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 25 | 25 | 26 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 27 | 26 |
| Comfort | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 25 | Warm |
| Feb | 25 | Warm |
| Mar | 26 | Warm |
| Apr | 28 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 28 | Tropical |
| Aug | 28 | Tropical |
| Sep | 28 | Tropical |
| Oct | 28 | Tropical |
| Nov | 27 | Warm |
| Dec | 26 | Warm |
UV index in Phú Quý in Fall
Clear-sky midday UV across fall averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Phú Quý peaks around August 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 9 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 11 | 12 | 12 | 13 | 13 | 11 | 12 | 13 | 13 | 11 | 10 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 12 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 11 | Extreme |
| Nov | 10 | Extreme |
| Dec | 9 | Very high |
Air quality in Phú Quý in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Phú Quý is worst in July — around 18 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (April, 10 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 12 | 11 | 10 | 10 | 15 | 18 | 16 | 16 | 13 | 10 | 12 |
| Level | Good | Moderate | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 12 | Moderate |
| Mar | 11 | Good |
| Apr | 10 | Good |
| May | 10 | Good |
| Jun | 15 | Moderate |
| Jul | 18 | Moderate |
| Aug | 16 | Moderate |
| Sep | 16 | Moderate |
| Oct | 13 | Moderate |
| Nov | 10 | Good |
| Dec | 12 | Good |
Where is Phú Quý?
Phú Quý sits at 10.5°N, 108.9°E, 6 m above sea level, in Vietnam. The nearest listed city is Mui Ne, 85 km away.
Topography around Phú Quý
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Phú Quý.
Within 3 km, the terrain around Phú Quý has only modest variations in elevation — a maximum elevation change of 95 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 95 m; within 80 km, only modest variations in elevation — a maximum elevation change of 88 m.
The land around Phú Quý is covered by water (60%) and trees (30%) within 3 km, water (98%) within 16 km, and water (100%) within 80 km.
Vietnam travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B / C / F
- 220 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $5,066
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Safe drinking water
- 59%
- of population, 2024
- Homicide rate
- 1.5
- per 100k, 2011
- Road deaths
- 30.6
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 500
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Phú Quý (10.5166°, 108.9329°, elevation 6 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.