Weather in ニウエ島 in 9月
Country-wide climate normals across 15 cities in ニウエ島.
How Hot Is ニウエ島 in 9月?
ニウエ島's September is consistently warm — typical 25°C, with no major regional outliers.
Sunshine in ニウエ島 in 9月
Dark, overcast days dominate ニウエ島 in September — Alofi sees just 1.7h of sun a day, and the pattern is similar across most regions. Cloud cover is heavy and persistent, with even the brighter regions struggling to escape the gloom for long.
Does It Rain In ニウエ島 In 9月?
ニウエ島 sees moderate rainfall in September — Alofi averages 98mm across 10 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 ニウエ島 Humid In 9月?
ニウエ島 is enveloped in tropical-thick humidity through September: Alofi 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 ニウエ島 In 9月
ニウエ島 sees consistent breezes in September — averaging 31 kph in Alofi, 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 ニウエ島 In 9月
Heavy overcast covers ニウエ島 in September: 77% cloud cover in Alofi, 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.