SeasonMapLuang Namtha weather in September
Laos
September in Luang Namtha: sweltering, soaked, with clean air — a gamble, with 22 rainy days.
#7 of 12 months in Luang Namtha · #1214 of 1383 destinations to visit in September · comfort 53/100 (tier D)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Luang Namtha in September
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Luang Namtha climate normals — September
| Daytime high | 32°C / 89°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Feels like (high) | 38°C / 100°F | |
| Rainfall | 200 mm / 7.9 in | ⛈ soaked |
| Rainy days | 22 days | |
| Humidity | 87% | 💦 very humid |
| Dew point | 25°C / 78°F | |
| Sunshine | 8.8 h/day | |
| Daylight | 12.3 h | |
| Wind | 7 km/h / 4 mph | |
| Air quality (US AQI) | 30 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Luang Namtha in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Luang Namtha's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherLuang Namtha's weather peaks December–February.
Best weatherFair weatherToughest weather
Nearby, and something's on
Within 300 km of Luang Namtha — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Luang Namtha?
Luang Namtha in September — FAQ
- Is September a good time to visit Luang Namtha?
- September in Luang Namtha: sweltering, soaked, with clean air — a gamble, with 22 rainy days. It ranks #7 of 12 months for Luang Namtha on SeasonMap's comfort score (53/100).
- What is the weather like in Luang Namtha in September?
- In September, Luang Namtha averages a daily high of 31.8°C and a low of 22.1°C, with about 199.6 mm of rain over roughly 21.8 rainy days.
- What is the air quality in Luang Namtha in September?
- Luang Namtha has a mean US Air Quality Index of about 30 in September.
Other months in Luang Namtha
Compare Luang Namtha in September
Warmer or cooler than Luang Namtha in September
Similar destinations in Southeast Asia — September
Within 300 km: Luang Prabang's Dawn alms round etiquette on 1 Jan – 31 Dec.