Cà Mau in Fall
In fall (September, October and November), Cà Mau sees average daytime highs around 31°C and overnight lows near 25°C, with 952 mm of rain over about 80 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across fall, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 4% of the time across fall, and the air most often feels miserable.
Fall is Cà Mau's 3rd-best season to visit on our travel score. For the whole year in context, see Cà Mau's year-round climate.
- Avg daytime high
- 31°C
- coldest season of the year
- Avg overnight low
- 25°C
- Rainfall
- 952 mm
- 80 wet days
- Avg wind
- 8 km/h
- Travel score
- 2.8
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Cà Mau in Fall
Across fall, daytime highs hold fairly steady around 31°C.
A typical fall day in Cà Mau reaches about 31°C and drops to 25°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Cà Mau
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.
Cà Mau 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 | 30° / 23° | 33 | 6 | 11.5 | 5.1 |
| Feb | 32° / 24° | 19 | 3.4 | 11.7 | 4.8 |
| Mar | 33° / 25° | 59 | 8.8 | 11.9 | 3.7 |
| Apr | 33° / 26° | 119 | 16.6 | 12.2 | 2.8 |
| May | 33° / 26° | 257 | 26.9 | 12.4 | 2.2 |
| Jun | 31° / 25° | 288 | 28.4 | 12.5 | 2.3 |
| Jul | 31° / 25° | 300 | 29.6 | 12.5 | 2.4 |
| Aug | 31° / 25° | 286 | 29.4 | 12.3 | 2.4 |
| Sep | 31° / 25° | 337 | 28.9 | 12.1 | 2.4 |
| Oct | 31° / 25° | 406 | 29 | 11.8 | 2.6 |
| Nov | 30° / 24° | 209 | 22.2 | 11.6 | 3.3 |
| Dec | 30° / 24° | 101 | 12.7 | 11.5 | 4.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 4% of the time across fall.
Chance of precipitation in Fall
Cà Mau gets around 952 mm of rain over 80 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 30 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 Cà Mau
In fall, Cà Mau overlaps its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.
Cà Mau sits in the Pacific typhoon belt; the season peaks July–October.
Cà Mau's rainy season runs May–November, when most of the year's rain falls.
Is fall a good time to visit Cà Mau?
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 Cà Mau.
What to pack for Cà Mau in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Cà Mau sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. About 80 days see rain.
Sea temperature near Cà Mau in Fall
The nearest coast averages about 29°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 38 km away) is warmest in May at about 31°C and coldest in January near 27°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) | 27 | 28 | 29 | 30 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 28 | Warm |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 31 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Cà Mau in Fall
Clear-sky midday UV across fall averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Cà Mau peaks around March 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 10 (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 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 13 | 11 | 10 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| Feb | 12 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 13 | Extreme |
| Oct | 11 | Extreme |
| Nov | 10 | Extreme |
| Dec | 10 | Very high |
Air quality in Cà Mau 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 Cà Mau is worst in December — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (May, 12 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) | 19 | 17 | 15 | 14 | 12 | 13 | 15 | 13 | 14 | 15 | 18 | 22 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 19 | Moderate |
| Feb | 17 | Moderate |
| Mar | 15 | Moderate |
| Apr | 14 | Moderate |
| May | 12 | Good |
| Jun | 13 | Moderate |
| Jul | 15 | Moderate |
| Aug | 13 | Moderate |
| Sep | 14 | Moderate |
| Oct | 15 | Moderate |
| Nov | 18 | Moderate |
| Dec | 22 | Moderate |
Where is Cà Mau?
Cà Mau sits at 9.2°N, 105.2°E, 5 m above sea level, in Vietnam. The nearest listed city is Thới Bình, 21 km away.
Topography around Cà Mau
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cà Mau.
Within 3 km, the terrain around Cà Mau has only modest variations in elevation — a maximum elevation change of 13 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 13 m; within 80 km, only modest variations in elevation — a maximum elevation change of 111 m.
The land around Cà Mau is covered by artificial surfaces (40%) and trees (23%) within 3 km, water (37%), cropland (28%) and trees (23%) within 16 km, and water (59%) and cropland (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 Cà Mau (9.1768°, 105.1524°, 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.