Weather in Luang Prabang in September 2025
- September is usually the wettest month of the year in Luang Prabang;
Average weather
Average temperature in Luang Prabang in September
The temperature in September is +88°F on average, with a range between a maximum of +93°F during the day and a minimum of +73°F at night.
The average maximum temperature goes down 27% by the end of the month, compared with the beginning of the month, from +90°F to +84°F.
Is Luang Prabang warm or cold in September?
Luang Prabang is typically warm in September.
Maximum temperatures go up compared to the previous month from +86°F to +86°F. The minimum temperature also goes down from +73°F to +72°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Luang Prabang:
Climate in Luang Prabang in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +86°F | +86°F | +84°F | ||||
| Min. temperature | ||||||
| +70°F | +64°F | +55°F | ||||
| Max. temperature | ||||||
| +95°F | +95°F | +95°F | ||||
| Rainfall | ||||||
| 282 mm | 180 mm | 74 mm | ||||
| Wind | ||||||
| 0 m/s | 0 m/s | 0 m/s | ||||
| Humidity | ||||||
| 85% | 85% | 82% | ||||
| Air pressure | ||||||
| 1005 HPa | 1008 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 0 | 0 | 2 | ||||
| Cloudy days | ||||||
| 1 | 3 | 9 | ||||
| Rainy days | ||||||
| 29 | 25 | 18 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. The temperature levels stay the same in the area of +86°F for average maximum temperature during the day. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 282 mm to 180 mm. Humidity levels don’t change as the month goes on, averaging around 85%. The average wind speed doesn’t change much during September, staying around 0 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 0 m/s getting up to 1 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Luang Prabang is gradually increasing during September, going from 0 m/s to 0 m/s over the course of the month.
Rain
How was the weather last September in Luang Prabang?
Climate Change Over the Years
The climate in Luang Prabang in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1994 (+84°F) and the highest in 2019 (+90°F). The driest year was 2019 with only 715 mm of rainfall, and the wettest year was 1994 with 2040 mm.
FAQ
Is September a good time to visit Luang Prabang?
Can you sunbathe in Luang Prabang in September?
Is Luang Prabang rainy in September?
Is it sunny in Luang Prabang in September?
Other cities in Laos
Monthly weather in Luang Prabang
Source of the data
For this page, we’ve looked at the typical weather in Luang Prabang, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
