Ban Khon Weather in September
September in Ban Khon sees daytime temperatures around 32°C (90°F) and lows of 25°C (77°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.
Rainfall in Ban Khon in September
Ban Khon is in the rainy season in September, with rain on around 19 days and an average of 352 mm (14 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Ban Khon in September
Daytime highs in Ban Khon in September reach 32°C (90°F), with nights around 25°C (77°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference. While this month tends to be on the cooler side compared to others, the days remain pleasantly warm.
Sunshine in Ban Khon in September
The area experiences a moderate amount of sunshine, with approximately 108 hours of sunlight expected. Even though this month is part of the rainy season, you could still see the sun every now and then.Our weather planner can help you find worldwide destinations with pleasant weather during this period. December typically offers the best weather for Ban Khon.
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 Khon's climate page.
Ban Khon Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
32°C (90°F)
Chance of Rain
63%
Precipitation
352 mm (14 in)
Rainy days
19 days
Humidity
89% *
Sunshine
108 hours *
Percentage Sunshine
*
Historical weather for Ban Khon in September
Browse day-by-day weather records for Ban Khon spanning 33 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ban Khon historical weather extremes in September
Based on weather observations in Ban Khon between 2006 and 2025, these are the recorded extremes during September.
- Ban Khon recorded its highest September temperature of 35°C (95°F) on September 13, 2017.
- Ban Khon experienced its chilliest September day on September 30, 2009, reaching only 24°C (75°F).
- Nighttime temperatures dropped to 22°C (72°F) on September 26, 2006, marking the coldest September night on record.
- The wettest September day on record brought 113 mm (4.4 in) of precipitation to Ban Khon (September 19, 2013).
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 →
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What to Wear in Ban Khon 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. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Ban Khon 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 Khon's climate page.
Temperature Rainfall Sunshine Humidity
See the full Ban Khon climate overview or explore weather in Laos.
