Weather in 라오스 in 9월
Country-wide climate normals across 15 cities in 라오스.
How Hot Is 라오스 in 9월?
Uniform heat across 라오스's September: averages climb to 29°C nationally with overnight lows of 22°C, narrow spread from coast to interior. The hottest cities like Thakhèk register similar readings to the coolest, so plan for consistently hot weather across the country.
Sunshine in 라오스 in 9월
Persistent cloud and grey skies define 라오스's September: about 1.0h of sun a day in Vientiane. Daylight is in short supply too, running from 5:55 am to 6:10 pm, and most regions of the country see similar overcast conditions. Bright stretches are uncommon and brief.
Does It Rain In 라오스 In 9월?
Heavy seasonal rains saturate 라오스 in September — Vientiane averages 330mm of rain across 24 days, with downpours an almost daily feature. The pattern is consistent across most regions, particularly along monsoon-affected coasts. Expect torrential afternoon storms followed by humid heat.
Is 라오스 Humid In 9월?
라오스 is enveloped in tropical-thick humidity through September: Vientiane averages 84%, and most of the country tracks similarly. The constant moisture makes warm temperatures feel substantially hotter, and even nights bring limited cooling. Light cotton clothing is essential.
Wind In 라오스 In 9월
Winds are light across 라오스 in September — averaging 8 kph in Vientiane, with mostly still air across the country. Outdoor activity is comfortable; sailing and similar wind-dependent sports may struggle. The pattern is consistent in most regions.
Cloud Cover In 라오스 In 9월
라오스's September is dominated by overcast skies: Vientiane averages 78% cloud cover, with similar grey persistence across the country. Days feel dim and soft-lit, with little break in the cloud deck.