Luang Prabang Weather in September
September in Luang Prabang averages 30°C (86°F) during the day and 22°C (72°F) at night. September is part of the rainy season, with around 206 mm (8.1 in) of rainfall and frequent showers.
Rainfall in Luang Prabang in September
As part of the rainy season, Luang Prabang sees around 18 days of rain in September, with an average of 206 mm (8.1 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Luang Prabang in September
September in Luang Prabang sees highs of 30°C (86°F) and lows of 22°C (72°F) overnight. For most visitors, the main thing to prepare for is the heat during the day. At 22°C (72°F) overnight, nights are warm enough to sit outside comfortably in light clothing.
Sunshine in Luang Prabang in September
The month brings about 166 hours of sunlight, offering a comfortable mix of sun and rainy moments.
Wind Speed in Luang Prabang in September
Average wind conditions reach 1 m/s (2 knots) in September. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.September in Luang Prabang has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Laos, check out our Luang Prabang's climate page.
Luang Prabang Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
30°C (86°F)
Chance of Rain
59%
Precipitation
206 mm (8.1 in)
Rainy days
18 days
Humidity
87%
Windspeed
1 m/s (2 knots)
Sunshine
166 hours
Percentage Sunshine
Historical weather for Luang Prabang in September
Browse day-by-day weather records for Luang Prabang spanning 50 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Luang Prabang historical weather extremes in September
Based on 19 years of weather observations in Luang Prabang between 2006 and 2025, these are the recorded extremes.
- The warmest day in September was on September 8, 2023, with a maximum of 37°C (99°F).
- Luang Prabang experienced its chilliest September day on September 14, 2012, reaching only 25°C (77°F).
- The lowest overnight temperature recorded in September was 18°C (64°F) (September 30, 2013).
Best Places in Laos in September
Find out more about the weather in Laos and which places have the best travel conditions in this month. See all of Laos in September →
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What to Wear in Luang Prabang in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Luang Prabang in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Laos, check out our Luang Prabang's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Luang Prabang climate overview or explore weather in Laos.
