Weather in Cooköarna in september
Country-wide climate normals across 10 cities in Cooköarna.
How Hot Is Cooköarna in september?
Cooköarna's September is consistently warm — typical 26°C, with no major regional outliers.
Sunshine in Cooköarna in september
Limited sunshine and short daylight define Cooköarna's September: Avarua averages just 1.7h of direct sun, with the sun up between 6:35 am and 6:35 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In Cooköarna In september?
Cooköarna sees moderate rainfall in September — Avarua averages 92mm across 13 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 Cooköarna Humid In september?
Saturated air defines Cooköarna's September: humidity at 77% in Avarua, 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 Cooköarna In september
Cooköarna sees consistent breezes in September — averaging 29 kph in Avarua, 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 Cooköarna In september
Cloudy skies dominate Cooköarna in September — 74% cover in Avarua, with similar overcast conditions in most regions. Direct sun is patchy and broken; expect grey stretches between brief bright moments. Coastal areas may be heavier than inland.