Weather in Birma (Myanmar) in September
Country-wide climate normals across 15 cities in Birma (Myanmar).
How Hot Is Birma (Myanmar) in September?
Birma (Myanmar) sees consistently hot September weather — average highs of 30°C, average lows of 24°C, with minimal regional differences. Whether you're in Yangon or one of the coastal cities, conditions feel broadly the same: hot, generally clear, with little night-time relief.
Sunshine in Birma (Myanmar) in September
Birma (Myanmar) sees limited sun in September: just 0.7h a day in Yangon, with heavy cloud cover common across most regions. Daylight runs from 5:55 am to 6:05 pm, but persistent grey skies and overcast stretches mean direct sunlight is genuinely scarce. Many days pass without any prolonged sunny spells.
Does It Rain In Birma (Myanmar) In September?
Heavy seasonal rains saturate Birma (Myanmar) in September — Yangon averages 416mm of rain across 27 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 Birma (Myanmar) Humid In September?
Saturated air defines Birma (Myanmar)'s September: humidity at 84% in Yangon, 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 Birma (Myanmar) In September
Light breezes are typical across Birma (Myanmar) in September: 12 kph in Yangon, with similar gentle wind conditions in most regions. The air moves enough to keep things fresh on warm days but not enough to be disruptive. Coastal cities may see slightly more.
Cloud Cover In Birma (Myanmar) In September
Heavy overcast covers Birma (Myanmar) in September: 79% cloud cover in Yangon, with similar grey conditions in most regions. Direct sun is rare, and the pattern is persistent across the country. Coastal and northern regions feel especially heavy.