Weather in ラオス in 9月
Country-wide climate normals across 15 cities in ラオス.
How Hot Is ラオス in 9月?
Uniform heat across ラオス'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 ラオス in 9月
Persistent cloud and grey skies define ラオス'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 ラオス In 9月?
Heavy seasonal rains saturate ラオス 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 ラオス Humid In 9月?
Saturated air defines ラオス's September: humidity at 84% in Vientiane, with the country as a whole feeling muggy and oppressive. The air practically drips after rain, and even shaded outdoor areas feel warm and clammy. Plan indoor time during the most humid afternoon hours.
Wind In ラオス In 9月
ラオス's air is mostly calm in September: Vientiane averages 8 kph, similar across the country. Only coastal and exposed regions see slightly more breeze. Most days feel still and untroubled.
Cloud Cover In ラオス In 9月
ラオス'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.