Vientiane in September
Vientiane in September
Vientiane, Laos
Visiting Vientiane in September means experiencing the wet season. As a tropical destination, expect warm temperatures year-round with higher rainfall and humidity.
Weather in Vientiane in September
Average highs around 30.1C and lows near 23.9C. 468.9mm average precipitation and about 28 rainy days. September typically sits between August and October conditions, so it is useful for travelers wanting a balanced window in Vientiane. Pack quick-dry clothing and a light waterproof layer for September.
Temperature
September brings wet season conditions in Vientiane, Laos. The average temperature is about 27C, with lows near 23.9C and highs around 30.1C.
Sunshine Hours
Vientiane, Laos usually gets around 8 hours of sunshine per day in September, with roughly 12.2 daylight hours available for sightseeing.
Rain
September sees around 468.9mm of rainfall over about 28 days. Rain can occur for around 13.6 hours per day on average.
