Muang Phônsavan in Fall
In fall (September, October and November), Muang Phônsavan sees average daytime highs around 25°C and overnight lows near 16°C, with 261 mm of rain over about 36 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 26°C in early September to 23°C by late November. The sky is clear or mostly clear about 25% of the time across fall, and the air most often feels muggy.
Fall is Muang Phônsavan's 2nd-best season to visit on our travel score. For the whole year in context, see Muang Phônsavan's year-round climate.
- Avg daytime high
- 25°C
- 3rd-warmest season
- Avg overnight low
- 16°C
- Rainfall
- 261 mm
- 36 wet days
- Avg wind
- 6 km/h
- Travel score
- 6.4
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Muang Phônsavan in Fall
Over the season highs ease from about 26°C in early September to 23°C by late November.
A typical fall day in Muang Phônsavan reaches about 25°C and drops to 16°C overnight. The warmest of the three months is September, the coolest November.
Muang Phônsavan 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 | 23° / 10° | 20 | 3.3 | 11 | 8.1 |
| Feb | 25° / 11° | 18 | 3.8 | 11.3 | 8.2 |
| Mar | 26° / 14° | 63 | 10.6 | 11.9 | 6.8 |
| Apr | 27° / 17° | 117 | 18.9 | 12.4 | 5.2 |
| May | 28° / 19° | 165 | 25.2 | 12.9 | 4.0 |
| Jun | 27° / 21° | 185 | 26 | 13.2 | 3.7 |
| Jul | 27° / 20° | 253 | 27.8 | 13.1 | 3.6 |
| Aug | 26° / 20° | 275 | 28.6 | 12.7 | 3.6 |
| Sep | 26° / 19° | 173 | 21 | 12.1 | 4.7 |
| Oct | 25° / 17° | 68 | 10.9 | 11.6 | 6.6 |
| Nov | 24° / 13° | 20 | 4.5 | 11.1 | 8.0 |
| Dec | 22° / 10° | 14 | 2.4 | 10.8 | 8.2 |
Cloud cover in Fall
The sky is clear or mostly clear about 25% of the time across fall.
Chance of precipitation in Fall
Muang Phônsavan gets around 261 mm of rain over 36 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 6 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early September to 10 h 54 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 4.3 kWh/m².
Hazard calendar for Muang Phônsavan
In fall, Muang Phônsavan overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Muang Phônsavan's monsoon runs May–September, when most of the year's rain falls.
Is fall a good time to visit Muang Phônsavan?
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 Muang Phônsavan for sightseeing.
What to pack for Muang Phônsavan in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Muang Phônsavan sees daytime highs around 25°C and nights near 16°C. Pack rain gear. Worth having: light clothes. About 36 days see rain.
UV index in Muang Phônsavan 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 Muang Phônsavan peaks around June 20 at about 14 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 10 | 11 | 10 | 12 | 14 | 13 | 14 | 11 | 11 | 8 | 7 |
| Level | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Very high |
| Mar | 11 | Extreme |
| Apr | 10 | Extreme |
| May | 12 | Extreme |
| Jun | 14 | Extreme |
| Jul | 13 | Extreme |
| Aug | 14 | Extreme |
| Sep | 11 | Extreme |
| Oct | 11 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | Very high |
Air quality in Muang Phônsavan 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 Muang Phônsavan is worst in April — around 227 µg/m³ PM2.5 (very unhealthy), about 32.9× the cleanest month (August, 7 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) | 13 | 33 | 206 | 227 | 22 | 8 | 7 | 7 | 7 | 8 | 7 | 9 |
| Level | Moderate | Moderate | Very unhealthy | Very unhealthy | Moderate | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 33 | Moderate |
| Mar | 206 | Very unhealthy |
| Apr | 227 | Very unhealthy |
| May | 22 | Moderate |
| Jun | 8 | Good |
| Jul | 7 | Good |
| Aug | 7 | Good |
| Sep | 7 | Good |
| Oct | 8 | Good |
| Nov | 7 | Good |
| Dec | 9 | Good |
Where is Muang Phônsavan?
Muang Phônsavan sits at 19.4°N, 103.2°E, 1,106 m above sea level, in Laos. The nearest listed city is Vang Vieng, 98 km away.
Topography around Muang Phônsavan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Muang Phônsavan.
Within 3 km, the terrain around Muang Phônsavan has only modest variations in elevation — a maximum elevation change of 229 m around an average of 1,111 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 903 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,599 m.
The land around Muang Phônsavan is covered by grassland (36%), cropland (27%) and artificial surfaces (26%) within 3 km, trees (45%) and grassland (35%) within 16 km, and trees (82%) within 80 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
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 Muang Phônsavan (19.4494°, 103.1917°, elevation 1,106 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.