Weather in 米領サモア in 9月
Country-wide climate normals across 15 cities in 米領サモア.
How Hot Is 米領サモア in 9月?
米領サモア bakes evenly in September — highs around 27°C are typical from Malaeimi all the way to Malaeimi, 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 米領サモア in 9月
Persistent cloud and grey skies define 米領サモア's September: about 1.3h of sun a day in Pago Pago. Daylight is in short supply too, running from 6:15 am to 6:20 pm, and most regions of the country see similar overcast conditions. Bright stretches are uncommon and brief.
Does It Rain In 米領サモア In 9月?
Heavy rain shapes 米領サモア's September: Pago Pago averages 118mm across 19 days, and most regions of the country see similar persistent wet conditions. Long sunny stretches are rare. Expect rain on roughly two out of every three days.
Is 米領サモア Humid In 9月?
米領サモア is enveloped in tropical-thick humidity through September: Pago Pago averages 78%, 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 米領サモア In 9月
米領サモア sees consistent breezes in September — averaging 29 kph in Pago Pago, with similar windy conditions across most regions. Coastal and exposed inland cities often see considerably more, especially in the afternoons. Wind-sensitive plans should factor this in.
Cloud Cover In 米領サモア In 9月
米領サモア's September is dominated by overcast skies: Pago Pago averages 76% cloud cover, with similar grey persistence across the country. Days feel dim and soft-lit, with little break in the cloud deck.