Cao Lãnh in Fall
In fall (September, October and November), Cao Lãnh sees average daytime highs around 32°C and overnight lows near 25°C, with 705 mm of rain over about 71 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Across fall, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 6% of the time across fall, and the air most often feels miserable.
Fall is Cao Lãnh's 2nd-best season to visit on our travel score. For the whole year in context, see Cao Lãnh's year-round climate.
- Avg daytime high
- 32°C
- 2nd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 705 mm
- 71 wet days
- Avg wind
- 8 km/h
- Travel score
- 2.7
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Cao Lãnh in Fall
Across fall, daytime highs hold fairly steady around 32°C.
A typical fall day in Cao Lãnh reaches about 32°C and drops to 25°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Cao Lãnh
Once humidity and wind are folded in, fall brings about 91 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.
Cao Lãnh 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 | 31° / 23° | 26 | 4.1 | 11.5 | 5.0 |
| Feb | 32° / 23° | 13 | 1.9 | 11.7 | 4.7 |
| Mar | 34° / 25° | 31 | 5.6 | 11.9 | 3.5 |
| Apr | 35° / 26° | 79 | 12.6 | 12.2 | 2.5 |
| May | 33° / 26° | 179 | 24.3 | 12.5 | 2.1 |
| Jun | 32° / 26° | 216 | 26.6 | 12.6 | 2.3 |
| Jul | 31° / 25° | 227 | 27.9 | 12.6 | 2.4 |
| Aug | 32° / 25° | 240 | 28.2 | 12.3 | 2.3 |
| Sep | 32° / 25° | 277 | 28.2 | 12.1 | 2.2 |
| Oct | 32° / 25° | 288 | 26.9 | 11.8 | 2.5 |
| Nov | 32° / 24° | 140 | 16.3 | 11.5 | 3.5 |
| Dec | 31° / 23° | 63 | 8.9 | 11.4 | 4.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 6% of the time across fall.
Chance of precipitation in Fall
Cao Lãnh gets around 705 mm of rain over 71 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 8 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 4.4 kWh/m².
Hazard calendar for Cao Lãnh
In fall, Cao Lãnh overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Cao Lãnh's rainy season runs May–November, when most of the year's rain falls.
Is fall a good time to visit Cao Lãnh?
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 weaker month for outdoor sightseeing in Cao Lãnh.
What to pack for Cao Lãnh in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Cao Lãnh sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 71 days see rain.
UV index in Cao Lãnh in Fall
Clear-sky midday UV across fall averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Cao Lãnh peaks around August 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 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) | 10 | 11 | 13 | 12 | 12 | 11 | 12 | 13 | 13 | 9 | 9 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 9 | Very high |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Cao Lãnh 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 Cao Lãnh is worst in January — around 72 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (August, 30 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) | 72 | 59 | 53 | 53 | 47 | 38 | 34 | 30 | 40 | 56 | 68 | 70 |
| Level | Unhealthy | Unhealthy | Poor | Poor | Poor | Poor | Moderate | Moderate | Poor | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 72 | Unhealthy |
| Feb | 59 | Unhealthy |
| Mar | 53 | Poor |
| Apr | 53 | Poor |
| May | 47 | Poor |
| Jun | 38 | Poor |
| Jul | 34 | Moderate |
| Aug | 30 | Moderate |
| Sep | 40 | Poor |
| Oct | 56 | Unhealthy |
| Nov | 68 | Unhealthy |
| Dec | 70 | Unhealthy |
Where is Cao Lãnh?
Cao Lãnh sits at 10.5°N, 105.6°E, 5 m above sea level, in Vietnam. The nearest listed city is Quận Đức Thịnh, 20 km away.
Topography around Cao Lãnh
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cao Lãnh.
Within 3 km, the terrain around Cao Lãnh has only modest variations in elevation — a maximum elevation change of 19 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 23 m; within 80 km, large variations in elevation — a maximum elevation change of 680 m.
The land around Cao Lãnh is covered by trees (49%) and artificial surfaces (32%) within 3 km, cropland (51%) and trees (35%) within 16 km, and cropland (69%) and trees (24%) 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 Cao Lãnh (10.4602°, 105.6329°, elevation 5 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.