Weather in September in Laos

Many people wonder what kind of weather they can expect in September in Laos. Is this month a good time to go to Laos? To answer that question we created this page with all the information you need.

What is the weather like in Laos in September?

The weather conditions in Laos in September range from poor to tolerable depending on the destination.

You can expect very warm maximum average daytime temperatures around 32°C (90°F) and nighttime temperatures around 23°C (73°F) in Luang Prabang. These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Precipitation in September ranges from high in Luang Prabang with an average of 154mm (6.1inch) rainfall to heavy in Vang Vieng with 510mm (20inch). It is also generally a moderate sunny month with an average of 166 hours of sunshine in Luang Prabang during the whole month.

We invite you to have a look at the map below to find out more about the different weather conditions per location in Laos.

Where to go in Laos in September

Find the average weather conditions in September for the most popular destinations in Laos on the map below. Click on a destination dot for more detailed information.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inch a month).

Popular destinations in Laos

What is the weather like in September for the 5 most popular destinations in Laos?

Average weather in Luang Prabang

In September Luang Prabang generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 23°C (73°F) and high monthly rainfall. So on average the conditions are tolerable that month.

Luang Prabang
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
32°C / 89°F 
24°C / 75°F 
131 hours 
277mm / 11inch 
19 days 
poor 
32°C / 90°F 
23°C / 73°F 
166 hours 
154mm / 6.1inch 
13 days 
October   >> October
>>  
32°C / 89°F 
21°C / 70°F 
181 hours 
105mm / 4.1inch 
8 days 
Climate in Luang Prabang

Average weather in Vientiane

In September Vientiane generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 25°C (76°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Vientiane
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
31°C / 89°F 
25°C / 77°F 
135 hours 
335mm / 13inch 
21 days 
poor 
31°C / 88°F 
25°C / 76°F 
168 hours 
272mm / 11inch 
16 days 
poor 
October   >> October
>>  
31°C / 88°F 
24°C / 74°F 
211 hours 
97mm / 3.8inch 
8 days 
Climate in Vientiane

Average weather in Vang Vieng

In September Vang Vieng generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Vang Vieng
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Weather conditions Weather
<<   August August
<<  
31°C / 88°F 
24°C / 74°F 
665mm / 26inch 
poor 
31°C / 88°F 
23°C / 73°F 
510mm / 20inch 
poor 
October   >> October
>>  
32°C / 89°F 
21°C / 69°F 
117mm / 4.6inch 
Climate in Vang Vieng

Average weather in Pakse

In September Pakse generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Pakse
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
31°C / 87°F 
24°C / 76°F 
128 hours 
507mm / 20inch 
25 days 
poor 
31°C / 88°F 
24°C / 75°F 
143 hours 
306mm / 12inch 
20 days 
poor 
October   >> October
>>  
32°C / 89°F 
23°C / 73°F 
190 hours 
127mm / 5inch 
12 days 
Climate in Pakse

Average weather in Savannakhet

In September Savannakhet generally has very high temperatures with maximum daytime temperatures around 32°C (89°F), minimum nighttime temperatures around 24°C (74°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Savannakhet
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
31°C / 88°F 
24°C / 75°F 
325mm / 13inch 
21 days 
poor 
32°C / 89°F 
24°C / 74°F 
250mm / 9.8inch 
20 days 
poor 
October   >> October
>>  
31°C / 88°F 
22°C / 72°F 
118mm / 4.6inch 
12 days 
Climate in Savannakhet

Is your destination not in the list? Have a look at other destinations in Laos.

Is September the best time to go to Laos?

In our opinion September is a good time to visit Laos with commonly tolerable weather in Luang Prabang. However, the weather conditions may vary depending on your destination.

On average the best time to visit Laos is in January, February, November and December with generally perfect weather in Luang Prabang. The worst months are April, July and August that can have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Laos. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for almost all countries in the world. Are you going to Laos? Get detailed historical weather averages for many cities in Laos.

    Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.