Verdict: Fair month
Luang Prabang Weather in September
September runs warm in Luang Prabang, with daily highs around 30°C (86°F) and nights near 23°C (73°F). It's also the wet side of the calendar: rain falls on about 25 days, so build flexibility into plans. September is workable in Luang Prabang if your dates are fixed — just plan around the conditions.
Average high
30°C / 86°F
Average low
23°C / 73°F
Rain days
~25
Precipitation
276 mm
What to pack for Luang Prabang in September
- Light, breathable clothing — linen and technical fabrics earn their keep
- High-SPF sunscreen, sunglasses, and a refillable water bottle
- Rain gear is non-negotiable — expect rain on roughly 25 days
- Quick-dry shoes — downpours are short but heavy
- Comfortable walking shoes — every guide on this site assumes you'll use them
September against the rest of the year
Warmest in Luang Prabang: Mar (34°C / 93°F) · Coolest: Dec (28°C / 82°F) · Wettest: Aug (~27 rain days)
29°
15°
Jan
31°
17°
Feb
34°
20°
Mar
34°
22°
Apr
34°
24°
May
32°
24°
Jun
32°
24°
Jul
30°
24°
Aug
30°
23°
Sep
29°
21°
Oct
30°
19°
Nov
28°
16°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)