Laos in September: where is it warmest?
In September, Golden Triangle is the warmest place with 30 °C by day, Luang Prabang the coolest with 30 °C. 0 of 3 destinations have good holiday weather.
All destinations in September, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
| Place | Score | Air | Sun | Rain days |
|---|---|---|---|---|
| Golden Triangle | 42 | 30° | 5 h | 23 |
| Vientiane | 41 | 30° | 5 h | 24 |
| Luang Prabang | 41 | 30° | 5 h | 20 |
Laos in September: quick answers
Laos in September: where is it warmest?
The warmest places in September are Golden Triangle (30 °C), Vientiane (30 °C) and Luang Prabang (30 °C).
Laos in September: where is the weather best?
The best holiday weather in September – warm, sunny and dry – is in Golden Triangle, Vientiane and Luang Prabang.
Laos month by month
Laos: weather & best time to visit
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences