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Thalat Weather in September
September in Thalat brings very high temperatures around 32°C (90°F) during the day, dropping to 25°C (77°F) at night, and as part of the rainy season, heavy rainfall is common.
Rainfall in Thalat in September
Thalat is in the rainy season in September, with rain on around 19 days and an average of 376 mm (15 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Thalat in September
If you're visiting Thalat in September, expect highs of 32°C (90°F) and overnight lows around 25°C (77°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Thalat in September
The area enjoys a moderate level of sunlight, with around 168 hours. It's a good balance between sunny and rainy days.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Thalat. Our weather planner can help you explore destinations with more pleasant weather conditions.
Thalat Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
32°C (90°F)
Chance of Rain
63%
Precipitation
376 mm (15 in)
Rainy days
19 days
Humidity
83% *
Sunshine
168 hours *
Percentage Sunshine
*
* Data from: Vientiane, Laos (62 KM, 38 Miles).
Thalat Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Thalat - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Thalat typically stay consistent throughout September, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Thalat in September
Browse day-by-day weather records for Thalat spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Thalat historical weather extremes in September
Based on weather observations in Thalat between 1986 and 2026, these are the recorded extremes during September.
- On September 3, 1988, temperatures climbed to 39°C (102°F), marking the warmest September day on record.
- Thalat experienced its chilliest September day on September 10, 2004, reaching only 25°C (77°F).
- Nighttime temperatures dropped to 21°C (70°F) on September 21, 2006, marking the coldest September night on record.
- The heaviest September precipitation occurred on September 2, 2014, when 164 mm (6.5 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 Thalat in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Thalat in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Thalat 3-Day Forecast
More climate data for Thalat
Temperature Rainfall Sunshine Humidity
See the full Thalat climate overview or explore weather in Laos.
Popular in September
Where to go in September - average daytime high across popular destinations.
Ban Dondét
32°C (90°F) Vientiane33°C (91°F) Thakhek32°C (90°F) Savannakhet32°C (90°F) Pakse31°C (88°F) Luang Prabang30°C (86°F) Louang Namtha30°C (86°F) Vang Vieng30°C (86°F) Bucket list
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