Vang Vieng in Fall

In fall (September, October and November), Vang Vieng sees average daytime highs around 28°C and overnight lows near 19°C, with 487 mm of rain over about 53 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Across fall, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 29% of the time across fall, and the air most often feels oppressive.

Fall is Vang Vieng's 2nd-best season to visit on our travel score. For the whole year in context, see Vang Vieng's year-round climate.

Avg daytime high
28°C
2nd-warmest season
Avg overnight low
19°C
Rainfall
487 mm
53 wet days
Avg wind
3 km/h
Travel score
5.1
2nd-best season
Months
Sep · Oct · Nov

Temperature in Vang Vieng in Fall

Average highAverage lowShaded bands: 10–90% of days

Across fall, daytime highs hold fairly steady around 28°C.

A typical fall day in Vang Vieng reaches about 28°C and drops to 19°C overnight. The warmest of the three months is September, the coolest November.

10°15°20°25°30°35°SepOctNov

How fall really feels in Vang Vieng

Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

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

fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Vang Vieng 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
Jan25° / 14°213.5118.2
Feb27° / 15°183.211.47.8
Mar29° / 18°447.811.96.0
Apr30° / 20°9215.212.44.4
May29° / 22°25026.712.93.2
Jun28° / 22°39429.213.13.0
Jul28° / 22°53730.3133.2
Aug28° / 22°55230.412.63.2
Sep28° / 21°32827.212.13.4
Oct28° / 20°12619.211.64.8
Nov27° / 17°336.811.17.2
Dec25° / 14°254.410.98.0

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Vang Vieng gets around 487 mm of rain over 53 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 oppressive — 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 3 km/h across fall.

0246810SepOctNov

Sunrise & sunset in Fall

DaylightNight

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.

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 4.3 kWh/m².

012345SepOctNov
Planning a trip in fall

Hazard calendar for Vang Vieng

In seasonPeak

In fall, Vang Vieng overlaps its monsoon season. The full year is below, with each hazard's peak months called out.

Vang Vieng's monsoon runs May–September, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is fall a good time to visit Vang Vieng?

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.

5.1
Sightseeing
2nd-best month of the year
5.6
Beach & pool
3rd-best month of the year

fall is a reasonable time to visit Vang Vieng for sightseeing.

What to pack for Vang Vieng in Fall

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

In fall, Vang Vieng sees daytime highs around 28°C and nights near 19°C. Pack light clothes and rain gear. About 53 days see rain.

light clothesrain gear

UV index in Vang Vieng in Fall

LowModerateHighVery highExtreme

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 Vang Vieng peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highAug 11UV 13Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar11Extreme
Apr10Very high
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Vang Vieng 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 Vang Vieng is worst in April — around 182 µg/m³ PM2.5 (very unhealthy), about 17.8× the cleanest month (September, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyVery unhealthyUnhealthyModerateGoodApr 11175 µg/m³Sep 1610 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb35Moderate
Mar150Unhealthy
Apr182Very unhealthy
May29Moderate
Jun12Good
Jul12Good
Aug11Good
Sep10Good
Oct11Good
Nov11Good
Dec12Moderate
Location & terrain

Where is Vang Vieng?

Vang Vieng sits at 18.9°N, 102.4°E, 243 m above sea level, in Laos. The nearest listed city is Muang Phônsavan, 98 km away.

Muang PhônsavanVientianeLuang PrabangTha BoNong KhaiPhon CharoenNam SomBorikhan

Topography around Vang Vieng

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

Within 3 km, the terrain around Vang Vieng has significant variations in elevation — a maximum elevation change of 415 m around an average of 276 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,402 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,653 m.

The land around Vang Vieng is covered by trees (64%) within 3 km, trees (89%) within 16 km, and trees (86%) within 80 km.

3 km
415 m
16 km
1,402 m
80 km
2,653 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: Muang Phônsavan 98 km · Vientiane 108 km · Luang Prabang 112 km · Tha Bo 120 km · Nong Khai 120 km · Phon Charoen 125 km · Nam Som 131 km · Borikhan 141 km

Laos travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C / E / F
230 V · 50 Hz
Prices
≈ 23% of US
price level, 2025
GDP per capita
$2,325
2025
Happiness
5.5 / 10
World Happiness, 2025
Safe drinking water
35%
of population, 2024
Road deaths
17.9
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 461
Religion
Buddhist 65%none 31%other/not stated 2%Christian 2%

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 Vang Vieng (18.9235°, 102.4478°, elevation 243 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.