SeasonMapLaos in September
September is one of Laos's weaker months (rank 10 of 12): its 6 destinations average 54/100, led by Luang Namtha at 63 — 29°C and 20 rainy days — while Luang Prabang is warmer at 37°C and scores 57.
#10 of 12 months for Laos · 6 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Laos in September
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Luang Namtha | Trekking hub | 29°C | 177 mm · 20 days | 63 tier C | — |
| 2 | Nong Khiaw | Trekking hub | 30°C | 163 mm · 20 days | 63 tier C | — |
| 3 | Luang Prabang | City | 37°C | 168 mm · 21 days | 57 tier D | — |
| 4 | Vang Vieng | Trekking hub | 36°C | 271 mm · 27 days | 54 tier D | — |
| 5 | Pakse | City | 35°C | 473 mm · 26 days | 44 tier F | — |
| 6 | Vientiane | City | 36°C | 310 mm · 24 days | 44 tier F | — |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means September is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.
What's on in Laos in September
- Falls at full flow · Pakse · 1 Aug – 31 Oct (usually)