Weather in Nieuw-Caledonië in september
Country-wide climate normals across 15 cities in Nieuw-Caledonië.
How Hot Is Nieuw-Caledonië in september?
Nieuw-Caledonië's September is consistently warm — typical 23°C, with no major regional outliers.
Sunshine in Nieuw-Caledonië in september
Variable weather dominates Nieuw-Caledonië in September: 3.4h of direct sun on a typical day in Nouméa, with daylight from 5:50 am to 5:45 pm. Expect both bright and cloudy days across the month, and slight regional differences between coastal and inland zones.
Does It Rain In Nieuw-Caledonië In september?
Moderate rainfall defines Nieuw-Caledonië's September: Nouméa averages 65mm across 8 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 Nieuw-Caledonië Humid In september?
Nieuw-Caledonië's September is humid — 73% on average in Nouméa, with similar muggy conditions in most regions. Afternoons feel sticky, especially after rain, and the moisture amplifies warm-day temperatures noticeably. Coastal cities see the highest readings.
Wind In Nieuw-Caledonië In september
Persistent breeze shapes Nieuw-Caledonië's September: 22 kph in Nouméa, 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 Nieuw-Caledonië In september
Cloudy skies dominate Nieuw-Caledonië in September — 63% cover in Nouméa, 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.