Weather in Samoa in September
Country-wide climate normals across 15 cities in Samoa.
How Hot Is Samoa in September?
Samoa bakes evenly in September — highs around 28°C are typical from Apia all the way to Asau, 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 Samoa in September
Limited sunshine and short daylight define Samoa's September: Apia averages just 1.3h of direct sun, with the sun up between 6:25 am and 6:25 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In Samoa In September?
Samoa sees moderate rainfall in September — Apia averages 94mm across 16 days, with notable regional variation. Coastal cities often see more rain than the inland average, while drier regions see less. The country's September weather mixes sunny stretches with regular shower spells.
Is Samoa Humid In September?
Heavy oppressive humidity covers Samoa in September: 77% on average in Apia, and similar saturating conditions exist nationwide. The air feels thick and heavy from sunrise to sundown, with little overnight respite. Coastal and tropical regions feel especially stifling.
Wind In Samoa In September
Samoa sees consistent breezes in September — averaging 23 kph in Apia, 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 Samoa In September
Heavy overcast covers Samoa in September: 77% cloud cover in Apia, 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.