Temperature
Hot by day, warm at night.
89°Ftypical September high
Typical range
September climate
September in Vang Vieng
Laos · Asia
Humid air is the main limitation.
Limited, but doable
Mid to late
Daytime high
89°F
Lows around 76°F
Rain
Rain most days
Sun
8 h/day
Air feel
Very humid
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days. About 27 wet days, more than in most months.
90%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
8.1 hSeptember sunshine
Heat & humidity by month
Very humid air is a major factor this month.
84%September Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 98° and nights feel near 87°.
ComfortableWarmHotSwelteringNight hours
Clear sky
Overcast skies this month.
16%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
2 mphSeptember Calm
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 85°F, easing to about 82°F in early evening.
Avg temp Typical range
Morning82°F
Feels 93°F
Rain47%
Cloud79%
Humid airVery high
Sun intensityModerate
Midday88°F
Feels 98°F
Rain73%
Cloud82%
Humid airVery high
Sun intensityStrong
Late afternoon85°F
Feels 97°F
Rain70%
Cloud85%
Humid airVery high
Sun intensityLow
Early evening82°F
Feels 94°F
Rain31%
Cloud83%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 83 | 61 | 0.8 | 4 | 10.0 | 79 |
| Feb | 87 | 64 | 0.9 | 4 | 10.4 | 75 |
| Mar | 90 | 69 | 1.7 | 8 | 10.5 | 75 |
| Apr | 92 | 74 | 3.6 | 15 | 10.7 | 78 |
| May | 91 | 77 | 9.8 | 27 | 8.7 | 84 |
| Jun | 89 | 78 | 14.9 | 29 | 7.2 | 88 |
| Jul | 88 | 78 | 20.7 | 30 | 6.3 | 89 |
| Aug | 88 | 77 | 20.6 | 30 | 6.3 | 90 |
| Sep | 89 | 76 | 13.0 | 27 | 8.1 | 87 |
| Oct | 89 | 73 | 4.9 | 19 | 9.8 | 84 |
| Nov | 87 | 68 | 1.3 | 7 | 9.6 | 82 |
| Dec | 84 | 63 | 0.9 | 4 | 9.5 | 80 |
Similar climates
Similar
Similar travel styleMonteverdeCosta RicaSimilar travel styleEllaSri LankaSimilar travel styleArenal VolcanoCosta RicaSimilar travel styleChiang RaiThailand
Want a side-by-side climate view? Compare Vang Vieng with Monteverde.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology