Weather in Thaimaa in syyskuu
Country-wide climate normals across 14 cities in Thaimaa.
How Hot Is Thaimaa in syyskuu?
Thaimaa bakes evenly in September — highs around 31°C are typical from Si Racha all the way to Chatuchak, with very little regional variation. Lows sit around 26°C even overnight, and the country's small geographic footprint means there are no significant climate pockets. Expect uniform heat day and night.
Sunshine in Thaimaa in syyskuu
Limited sunshine and short daylight define Thaimaa's September: Bangkok averages just 0.9h of direct sun, with the sun up between 6:05 am and 6:20 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In Thaimaa In syyskuu?
Heavy seasonal rains saturate Thaimaa in September — Bangkok averages 312mm of rain across 26 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 Thaimaa Humid In syyskuu?
Mugginess defines Thaimaa's September: humidity averages 73% in Bangkok, and the air feels noticeably heavy across most regions. Sweat sits on the skin longer than it would in drier conditions, and overnight relief is limited. Pack light, breathable fabrics.
Wind In Thaimaa In syyskuu
Gentle steady winds define Thaimaa's September: Bangkok averages 14 kph, with conditions consistent across most regions. The breeze keeps warm days bearable without being a nuisance.
Cloud Cover In Thaimaa In syyskuu
Heavy overcast covers Thaimaa in September: 79% cloud cover in Bangkok, 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.