Weather in New Caledonia in September
Country-wide climate normals across 15 cities in New Caledonia.
How Hot Is New Caledonia in September?
New Caledonia's September is consistently warm — typical 23°C, with no major regional outliers.
Sunshine in New Caledonia in September
Variable weather dominates New Caledonia 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 New Caledonia In September?
Moderate rainfall defines New Caledonia'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 New Caledonia Humid In September?
Mugginess defines New Caledonia's September: humidity averages 73% in Nouméa, and the air feels noticeably heavy across most regions. Sweat sits on the skin longer than it would in drier conditions, and overnight relief is limited. Pack light, breathable fabrics.
Wind In New Caledonia In September
Persistent breeze shapes New Caledonia'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 New Caledonia In September
Cloudy skies dominate New Caledonia 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.