Năm Căn in Fall

In fall (September, October and November), Năm Căn sees average daytime highs around 29°C and overnight lows near 26°C, with 874 mm of rain over about 79 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 29°C. The sky is clear or mostly clear about 5% of the time across fall, and the air most often feels miserable.

Fall is Năm Căn's 3rd-best season to visit on our travel score. Năm Căn 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 Năm Căn's year-round climate.

Avg daytime high
29°C
3rd-warmest season
Avg overnight low
26°C
Rainfall
874 mm
79 wet days
Avg wind
13 km/h
Travel score
3.2
3rd-best season
Months
Sep · Oct · Nov

Temperature in Năm Căn in Fall

Average highAverage lowShaded bands: 10–90% of days

Across fall, daytime highs hold fairly steady around 29°C.

A typical fall day in Năm Căn reaches about 29°C and drops to 26°C overnight. The warmest of the three months is September, the coolest November.

20°25°30°35°SepOctNov

How fall really feels in Năm Căn

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.

Days feeling ≥ 32°C
91
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Năm Căn 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°345.811.56.1
Feb29° / 25°162.911.76.2
Mar30° / 26°416.211.95.3
Apr31° / 27°8813.312.24.2
May31° / 27°2112512.43.0
Jun30° / 27°24826.812.52.9
Jul29° / 26°26628.712.53.0
Aug29° / 26°25428.112.33.0
Sep29° / 26°29427.612.13.0
Oct29° / 26°35829.111.83.0
Nov29° / 25°22222.711.63.7
Dec28° / 25°11012.911.55.1

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Năm Căn gets around 874 mm of rain over 79 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

Most of fall feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 13 km/h across fall.

05101520SepOctNov

Sunrise & sunset in Fall

DaylightNight

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.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 4.6 kWh/m².

0246SepOctNov
Planning a trip in fall

Hazard calendar for Năm Căn

In seasonPeak

In fall, Năm Căn overlaps its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.

Năm Căn sits in the Pacific typhoon belt; the season peaks July–October.

Năm Căn's rainy season runs May–November, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is fall a good time to visit Năm Căn?

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.

3.2
Sightseeing
3rd-best month of the year
4.2
Beach & pool
3rd-best month of the year

fall is a weaker month for outdoor sightseeing in Năm Căn.

What to pack for Năm Căn in Fall

From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In fall, Năm Căn sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 79 days see rain.

light clothesrain gearsun protection

Sea temperature near Năm Căn 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 20 km away) is warmest in May at about 30°C and coldest in January near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb27Warm
Mar28Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Năm Căn in Fall

LowModerateHighVery highExtreme

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 Năm Căn peaks around March 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 20UV 13Dec 16UV 10
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov11Extreme
Dec10Very high

Air quality in Năm Căn in Fall

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.

Air quality in Năm Căn 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateDec 1922 µg/m³May 2012 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb17Moderate
Mar15Moderate
Apr14Moderate
May12Good
Jun13Moderate
Jul15Moderate
Aug13Moderate
Sep14Moderate
Oct15Moderate
Nov18Moderate
Dec22Moderate
Location & terrain

Where is Năm Căn?

Năm Căn sits at 8.8°N, 105.0°E, 5 m above sea level, in Vietnam. The nearest listed city is Hưng Mỹ, 16 km away.

Topography around Năm Căn

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Năm Căn.

Within 3 km, the terrain around Năm Căn has only modest variations in elevation — a maximum elevation change of 15 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 19 m; within 80 km, significant variations in elevation — a maximum elevation change of 300 m.

The land around Năm Căn is covered by water (37%) and mangroves (24%) within 3 km, mangroves (45%) and water (33%) within 16 km, and water (77%) within 80 km.

3 km
15 m
16 km
19 m
80 km
300 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
Fall weather nearby: Hưng Mỹ 16 km · Tam Giang 21 km · Cái Đôi Vàm 23 km · Trần Văn Thời 35 km · Cà Mau 50 km · Gành Hào 56 km · An Trạch 56 km · Thới Bình 67 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
none 86%Catholic 6%Buddhist 6%Protestant 1%

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 Năm Căn (8.759°, 104.9929°, 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.