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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.
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
Muang Phônsavan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Muang Phônsavan - and find the best time to visit.
Historical weather records 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 20 years of weather records for Muang Phônsavan, the following extremes were recorded between 2006 and 2026.
- 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
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Muang Phônsavan 3-Day Forecast
More climate data for Muang Phônsavan
See the full Muang Phônsavan climate overview or explore weather in Laos.
Popular in September
Where to go in September - average daytime high across popular destinations.
Ban Dondét
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