Muang Phônsavan Weather in September
Muang Phônsavan in September averages 28°C (82°F) during the day and 19°C (66°F) at night. September is part of the rainy season, so frequent rainfall is typical.
Rainfall in Muang Phônsavan in September
Muang Phônsavan is in the rainy season in September, with rain on around 19 days and an average of 202 mm (8 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Muang Phônsavan in September
In September, Muang Phônsavan gets high temperatures, with highs of 28°C (82°F). Nights cool to around 19°C (66°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 19°C (66°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.If you prefer dry days with pleasant temperatures, January, February, March, October, November and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Muang Phônsavan's climate page.
Muang Phônsavan Temperature in September
Min Temperature
19°C (66°F)
Max Temperature
28°C (82°F)
Chance of Rain
65%
Precipitation
202 mm (8 in)
Rainy days
19 days
Historical weather for Muang Phônsavan in September
Browse day-by-day weather records for Muang Phônsavan spanning 48 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Muang Phônsavan historical weather extremes in September
According to our 19 years of weather records for Muang Phônsavan, the following extremes were recorded between 2006 and 2025.
- On September 16, 2009, temperatures climbed to 31°C (88°F), marking the warmest September day on record.
- Muang Phônsavan experienced its chilliest September day on September 30, 2008, reaching only 20°C (68°F).
- Muang Phônsavan registered its coldest September night on September 21, 2007, with temperatures dropping to 12°C (54°F).
- The wettest day in September Muang Phônsavan was on September 29, 2025 with 81 mm (3.2 in) of precipitation.
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 →
perfect weather
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tolerable
unpleasant
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What to Wear in Muang Phônsavan in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!What To Do in Muang Phônsavan 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 Muang Phônsavan's climate page.
See the full Muang Phônsavan climate overview or explore weather in Laos.
