Thị Trấn Thuận Châu in Fall
In fall (September, October and November), Thị Trấn Thuận Châu sees average daytime highs around 27°C and overnight lows near 19°C, with 282 mm of rain over about 35 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 29°C in early September to 24°C by late November. The sky is clear or mostly clear about 26% of the time across fall, and the air most often feels oppressive.
Fall is Thị Trấn Thuận Châu's 2nd-best season to visit on our travel score. For the whole year in context, see Thị Trấn Thuận Châu's year-round climate.
- Avg daytime high
- 27°C
- 3rd-warmest season
- Avg overnight low
- 19°C
- Rainfall
- 282 mm
- 35 wet days
- Avg wind
- 3 km/h
- Travel score
- 6.0
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Thị Trấn Thuận Châu in Fall
Over the season highs ease from about 29°C in early September to 24°C by late November.
A typical fall day in Thị Trấn Thuận Châu 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 Thị Trấn Thuận Châu
Once humidity and wind are folded in, fall brings about 19 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.
Thị Trấn Thuận Châu 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 | 21° / 12° | 39 | 7.1 | 10.8 | 7.0 |
| Feb | 24° / 13° | 35 | 7.5 | 11.3 | 7.3 |
| Mar | 27° / 16° | 71 | 11.6 | 11.8 | 6.5 |
| Apr | 29° / 20° | 112 | 15.5 | 12.5 | 4.8 |
| May | 30° / 22° | 207 | 21.2 | 13 | 3.5 |
| Jun | 30° / 23° | 357 | 26.5 | 13.3 | 2.9 |
| Jul | 29° / 23° | 428 | 27.6 | 13.2 | 3.0 |
| Aug | 29° / 23° | 363 | 27 | 12.7 | 3.1 |
| Sep | 29° / 22° | 185 | 19.6 | 12.1 | 4.1 |
| Oct | 28° / 20° | 60 | 9.6 | 11.5 | 6.3 |
| Nov | 25° / 16° | 37 | 5.6 | 11 | 7.5 |
| Dec | 22° / 13° | 38 | 6.3 | 10.7 | 7.4 |
Cloud cover in Fall
The sky is clear or mostly clear about 26% of the time across fall.
Chance of precipitation in Fall
Thị Trấn Thuận Châu gets around 282 mm of rain over 35 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 3 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 4.0 kWh/m².
Hazard calendar for Thị Trấn Thuận Châu
None of Thị Trấn Thuận Châu's seasonal hazards peak in fall. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Thị Trấn Thuận Châu's monsoon runs May–August, when most of the year's rain falls.
Is fall a good time to visit Thị Trấn Thuận Châu?
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 Thị Trấn Thuận Châu for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Thị Trấn Thuận Châu in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Thị Trấn Thuận Châu sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. About 35 days see rain.
UV index in Thị Trấn Thuận Châu 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 Thị Trấn Thuận Châu peaks around June 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 6 (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 | 11 | 9 | 10 | 13 | 13 | 12 | 10 | 9 | 8 | 6 |
| Level | High | Very high | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | High |
| Feb | 9 | Very high |
| Mar | 11 | Extreme |
| Apr | 9 | Very high |
| May | 10 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 12 | Extreme |
| Sep | 10 | Very high |
| Oct | 9 | Very high |
| Nov | 8 | Very high |
| Dec | 6 | High |
Air quality in Thị Trấn Thuận Châu 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 Thị Trấn Thuận Châu is worst in April — around 99 µg/m³ PM2.5 (unhealthy), about 8.1× the cleanest month (July, 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) | 31 | 41 | 73 | 99 | 32 | 14 | 12 | 13 | 17 | 23 | 26 | 30 |
| Level | Moderate | Poor | Unhealthy | Unhealthy | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 31 | Moderate |
| Feb | 41 | Poor |
| Mar | 73 | Unhealthy |
| Apr | 99 | Unhealthy |
| May | 32 | Moderate |
| Jun | 14 | Moderate |
| Jul | 12 | Moderate |
| Aug | 13 | Moderate |
| Sep | 17 | Moderate |
| Oct | 23 | Moderate |
| Nov | 26 | Moderate |
| Dec | 30 | Moderate |
Where is Thị Trấn Thuận Châu?
Thị Trấn Thuận Châu sits at 21.4°N, 103.7°E, 594 m above sea level, in Vietnam. The nearest listed city is Sơn La, 27 km away.
Topography around Thị Trấn Thuận Châu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Thị Trấn Thuận Châu.
Within 3 km, the terrain around Thị Trấn Thuận Châu has significant variations in elevation — a maximum elevation change of 505 m around an average of 699 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,610 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,825 m.
The land around Thị Trấn Thuận Châu is covered by trees (73%) within 3 km, trees (76%) within 16 km, and trees (69%) and grassland (26%) 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 Thị Trấn Thuận Châu (21.4385°, 103.69°, elevation 594 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.