Kỳ Anh in Fall
In fall (September, October and November), Kỳ Anh sees average daytime highs around 28°C and overnight lows near 23°C, with 986 mm of rain over about 62 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Over the season highs ease from about 31°C in early September to 24°C by late November. The sky is clear or mostly clear about 16% of the time across fall, and the air most often feels oppressive.
Fall is Kỳ Anh's 3rd-best season to visit on our travel score. For the whole year in context, see Kỳ Anh's year-round climate.
- Avg daytime high
- 28°C
- 3rd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 986 mm
- 62 wet days
- Avg wind
- 10 km/h
- Travel score
- 4.3
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Kỳ Anh in Fall
Over the season highs ease from about 31°C in early September to 24°C by late November.
A typical fall day in Kỳ Anh reaches about 28°C and drops to 23°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Kỳ Anh
Once humidity and wind are folded in, fall brings about 39 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.
Kỳ Anh 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 | 21° / 17° | 67 | 12.3 | 11 | 5.8 |
| Feb | 22° / 18° | 45 | 9.7 | 11.4 | 6.4 |
| Mar | 25° / 20° | 56 | 10.1 | 11.9 | 6.6 |
| Apr | 29° / 24° | 77 | 10.6 | 12.4 | 5.2 |
| May | 32° / 26° | 126 | 15 | 12.8 | 3.5 |
| Jun | 33° / 27° | 80 | 10.3 | 13.1 | 3.0 |
| Jul | 33° / 27° | 132 | 12.9 | 13 | 3.1 |
| Aug | 32° / 27° | 189 | 16.9 | 12.6 | 3.2 |
| Sep | 30° / 25° | 312 | 21.4 | 12.1 | 3.4 |
| Oct | 28° / 23° | 427 | 22.9 | 11.6 | 4.3 |
| Nov | 25° / 21° | 246 | 18 | 11.2 | 5.3 |
| Dec | 22° / 18° | 128 | 15.6 | 10.9 | 5.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 16% of the time across fall.
Chance of precipitation in Fall
Kỳ Anh gets around 986 mm of rain over 62 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 10 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early September to 11 hours 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 3.6 kWh/m².
Hazard calendar for Kỳ Anh
In fall, Kỳ Anh overlaps its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.
Kỳ Anh sits in the Pacific typhoon belt; the season peaks July–October.
Kỳ Anh's monsoon runs September–November, when most of the year's rain falls.
Is fall a good time to visit Kỳ Anh?
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 Kỳ Anh for sightseeing.
What to pack for Kỳ Anh in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Kỳ Anh sees daytime highs around 28°C and nights near 23°C. Pack light clothes and rain gear. About 62 days see rain.
Sea temperature near Kỳ Anh 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 offshore is warmest in August at about 30°C and coldest in February near 22°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) | 22 | 22 | 22 | 25 | 28 | 29 | 29 | 30 | 29 | 28 | 26 | 24 |
| Comfort | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 22 | Refreshing |
| Feb | 22 | Refreshing |
| Mar | 22 | Refreshing |
| Apr | 25 | Warm |
| May | 28 | Warm |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 30 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Warm |
| Nov | 26 | Warm |
| Dec | 24 | Refreshing |
UV index in Kỳ Anh in Fall
Clear-sky midday UV across fall averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Kỳ Anh peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 6 (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) | 8 | 10 | 10 | 9 | 11 | 12 | 13 | 13 | 11 | 10 | 8 | 6 |
| Level | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Very high |
| Mar | 10 | Very high |
| Apr | 9 | Very high |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 6 | High |
Air quality in Kỳ Anh 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 Kỳ Anh is worst in April — around 38 µg/m³ PM2.5 (poor), about 2.8× the cleanest month (July, 14 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) | 24 | 26 | 33 | 38 | 21 | 15 | 14 | 14 | 16 | 22 | 21 | 25 |
| Level | Moderate | Moderate | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 24 | Moderate |
| Feb | 26 | Moderate |
| Mar | 33 | Moderate |
| Apr | 38 | Poor |
| May | 21 | Moderate |
| Jun | 15 | Moderate |
| Jul | 14 | Moderate |
| Aug | 14 | Moderate |
| Sep | 16 | Moderate |
| Oct | 22 | Moderate |
| Nov | 21 | Moderate |
| Dec | 25 | Moderate |
Where is Kỳ Anh?
Kỳ Anh sits at 18.1°N, 106.3°E, 21 m above sea level, in Vietnam. The nearest listed city is Ba Đồn, 37 km away.
Topography around Kỳ Anh
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kỳ Anh.
Within 3 km, the terrain around Kỳ Anh has only modest variations in elevation — a maximum elevation change of 109 m around an average of 12 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,030 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,983 m.
The land around Kỳ Anh is covered by trees (34%), cropland (28%) and artificial surfaces (22%) within 3 km, trees (56%) within 16 km, and trees (52%) and water (38%) 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 Kỳ Anh (18.0624°, 106.2983°, elevation 21 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.