Weather in Kepulauan Cook in September
Country-wide climate normals across 10 cities in Kepulauan Cook.
How Hot Is Kepulauan Cook in September?
Kepulauan Cook's September is consistently warm — typical 26°C, with no major regional outliers.
Sunshine in Kepulauan Cook in September
Limited sunshine and short daylight define Kepulauan Cook'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 Kepulauan Cook In September?
Moderate rainfall defines Kepulauan Cook's September: Avarua averages 92mm across 13 days. Some regions see meaningfully wetter weather, especially coastal or mountain-facing areas, while continental interiors tend toward the drier end of the spectrum.
Is Kepulauan Cook Humid In September?
Heavy oppressive humidity covers Kepulauan Cook in September: 77% on average in Avarua, 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 Kepulauan Cook In September
Persistent breeze shapes Kepulauan Cook's September: 29 kph in Avarua, with consistent wind across the country. The conditions are ideal for sailing and other wind sports, but can be disruptive for fine outdoor work.
Cloud Cover In Kepulauan Cook In September
Cloudy skies dominate Kepulauan Cook 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.