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Nong khiaw Weather in September
September in Nong khiaw sees daytime temperatures around 30°C (86°F) and lows of 22°C (72°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Nong khiaw in September
Nong khiaw is in the rainy season in September, with rain on around 17 days and an average of 207 mm (8.1 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.
Temperature in Nong khiaw in September
In September, Nong khiaw gets very high temperatures, with highs of 30°C (86°F). Nights cool to around 22°C (72°F). It's usually most comfortable outside during the morning and later in the day. At 22°C (72°F) overnight, nights are warm enough to sit outside comfortably in light clothing.September in Nong khiaw has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Nong khiaw Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
30°C (86°F)
Chance of Rain
58%
Precipitation
207 mm (8.1 in)
Rainy days
17 days
Nong khiaw Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Nong khiaw - and find the best time to visit.
Historical weather records for Nong khiaw in September
Browse day-by-day weather records for Nong khiaw spanning 43 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nong khiaw historical weather extremes in September
Our historical data for Nong khiaw spans 2006 to 2026, revealing these weather extremes.
- Nong khiaw recorded its highest September temperature of 35°C (95°F) on September 2, 2026.
- Nong khiaw experienced its chilliest September day on September 14, 2012, reaching only 23°C (73°F).
- Nong khiaw registered its coldest September night on September 30, 2013, with temperatures dropping to 16°C (61°F).
- The heaviest September precipitation occurred on September 30, 2025, when 100 mm (3.9 in) of precipitation fell.
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 Nong khiaw in September
Warm but pleasant conditions in Nong khiaw in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions.
What To Do in Nong khiaw 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
Nong khiaw 3-Day Forecast
More climate data for Nong khiaw
See the full Nong khiaw 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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