Muang Xay in Fall
In fall (September, October and November), Muang Xay sees average daytime highs around 27°C and overnight lows near 19°C, with 325 mm of rain over about 43 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 28°C in early September to 24°C by late November. The sky is clear or mostly clear about 27% of the time across fall, and the air most often feels muggy.
Fall is Muang Xay's 2nd-best season to visit on our travel score. For the whole year in context, see Muang Xay's year-round climate.
- Avg daytime high
- 27°C
- 3rd-warmest season
- Avg overnight low
- 19°C
- Rainfall
- 325 mm
- 43 wet days
- Avg wind
- 4 km/h
- Travel score
- 5.9
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Muang Xay in Fall
Over the season highs ease from about 28°C in early September to 24°C by late November.
A typical fall day in Muang Xay reaches about 27°C and drops to 19°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Muang Xay
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.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Muang Xay 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 | 24° / 12° | 32 | 4.3 | 10.9 | 8.2 |
| Feb | 26° / 13° | 20 | 3.8 | 11.3 | 8.0 |
| Mar | 29° / 16° | 65 | 8.6 | 11.9 | 6.2 |
| Apr | 30° / 19° | 145 | 15.3 | 12.5 | 4.6 |
| May | 30° / 21° | 238 | 22.4 | 13 | 3.6 |
| Jun | 29° / 22° | 248 | 25.6 | 13.2 | 3.1 |
| Jul | 28° / 22° | 331 | 28.6 | 13.1 | 3.1 |
| Aug | 28° / 22° | 334 | 28.1 | 12.7 | 3.3 |
| Sep | 28° / 21° | 199 | 22.6 | 12.1 | 4.1 |
| Oct | 27° / 19° | 88 | 14.2 | 11.5 | 5.9 |
| Nov | 25° / 16° | 39 | 6.6 | 11 | 7.6 |
| Dec | 23° / 13° | 30 | 4.6 | 10.8 | 8.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 27% of the time across fall.
Chance of precipitation in Fall
Muang Xay gets around 325 mm of rain over 43 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 4 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early September to 10 h 48 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 4.2 kWh/m².
Hazard calendar for Muang Xay
In fall, Muang Xay overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Muang Xay's monsoon runs May–September, when most of the year's rain falls.
Is fall a good time to visit Muang Xay?
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 Xay for sightseeing.
What to pack for Muang Xay in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Muang Xay sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. About 43 days see rain.
UV index in Muang Xay in Fall
Clear-sky midday UV across fall averages around 9 (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 Xay peaks around June 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 7 (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) | 7 | 9 | 10 | 9 | 11 | 13 | 13 | 13 | 11 | 10 | 8 | 7 |
| Level | Very high | Very high | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | Very high |
| Feb | 9 | Very high |
| Mar | 10 | Extreme |
| Apr | 9 | Very high |
| May | 11 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Muang Xay 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 Xay is worst in April — around 583 µg/m³ PM2.5 (very unhealthy), about 75.7× the cleanest month (September, 8 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) | 12 | 24 | 210 | 583 | 74 | 10 | 8 | 8 | 8 | 8 | 8 | 10 |
| Level | Good | Moderate | Very unhealthy | Very unhealthy | Unhealthy | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 24 | Moderate |
| Mar | 210 | Very unhealthy |
| Apr | 583 | Very unhealthy |
| May | 74 | Unhealthy |
| Jun | 10 | Good |
| Jul | 8 | Good |
| Aug | 8 | Good |
| Sep | 8 | Good |
| Oct | 8 | Good |
| Nov | 8 | Good |
| Dec | 10 | Good |
Where is Muang Xay?
Muang Xay sits at 20.7°N, 102.0°E, 652 m above sea level, in Laos. The nearest listed city is Nong Khiaw, 67 km away.
Topography around Muang Xay
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Muang Xay.
Within 3 km, the terrain around Muang Xay has significant variations in elevation — a maximum elevation change of 372 m around an average of 683 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,283 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,540 m.
The land around Muang Xay is covered by trees (41%) and cropland (22%) within 3 km, trees (66%) and grassland (27%) within 16 km, and trees (85%) 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 Xay (20.6923°, 101.9837°, elevation 652 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.