Ban Houayxay Weather in September
September in Ban Houayxay brings very high temperatures around 32°C (90°F) during the day, dropping to 24°C (75°F) at night, and as part of the rainy season, heavy rainfall is common.
Rainfall in Ban Houayxay in September
As part of the rainy season, Ban Houayxay sees around 17 days of rain in September, with an average of 272 mm (11 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Ban Houayxay in September
In September, expect very high temperatures in Ban Houayxay, with highs of 32°C (90°F) and lows of 24°C (75°F) at night. For most visitors, the main thing to prepare for is the heat during the day. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Ban Houayxay in September
With about 145 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.September in Ban Houayxay 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.
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 Ban Houayxay's climate page.
Ban Houayxay Temperature in September
Min Temperature
24°C (75°F)
Max Temperature
32°C (90°F)
Chance of Rain
58%
Precipitation
272 mm (11 in)
Rainy days
17 days
Humidity
83% *
Sunshine
145 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ban Houayxay typically stay consistent throughout September, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 23°C (73°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 for Ban Houayxay in September
Browse day-by-day weather records for Ban Houayxay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ban Houayxay historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Ban Houayxay.
- The hottest September day on record in Ban Houayxay reached 36°C (97°F) (September 1, 1983).
- On September 27, 1997, Ban Houayxay saw its coldest September day with temperatures maxing out at 23°C (73°F).
- Ban Houayxay registered its coldest September night on September 25, 1986, with temperatures dropping to 18°C (64°F).
- Peak precipitation in September occurred on September 4, 2001, when 160 mm (6.3 in) of precipitation was measured.
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
What to Wear in Ban Houayxay in September
Warm but pleasant conditions in Ban Houayxay 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. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Ban Houayxay 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 Ban Houayxay's climate page.
Temperature Rainfall Sunshine Humidity
See the full Ban Houayxay climate overview or explore weather in Laos.
