Daytime highs, nighttime lows and the warmest cities across Laos this September.
Laos, experiences maximum daytime temperatures in September ranging from 28°C (82°F) in Muang Phônsavan to 33°C (91°F) in Vientiane. Nighttime temperatures generally drop to 25°C (77°F) in Vientiane and 19°C (66°F) in Muang Phônsavan.
Curious about the September temperatures in the prime spots of Laos? Navigate the map below and tap on a destination dot for more detailed stats.
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Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Laos.
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Drill down to September weather for any region in Laos.
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Expect daytime temperatures around 30°C (86°F) in Luang Prabang. That makes September a very high month for Laos.
After dark, Luang Prabang cools to about 22°C (72°F) on an average September night.
Data insights from our comprehensive database indicate that Vientiane is the city with the highest warmth. Daytime peaks average near 33°C (91°F), while the nights are characterized by a low temperature close to 25°C (77°F).
According to our data, Muang Phônsavan holds the title for the coldest city in Laos in September. It experiences maximum temperatures of approximately 28°C (82°F) and drops to lows of about 19°C (66°F) during the night.
Most areas experience a moderate amount of sunshine, with approximately 166 hours of sunlight expected in Luang Prabang. This makes it neither too gloomy nor overly bright.
We have much more information about the climate in Laos.
Weather and climate has detailed information for every country in the world. Are you going to Laos? Get detailed historical weather averages for many cities in Laos.
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