The month in detail
What to expect in September
September is peak dry season in Nouméa. The air is warm and humidity more bearable than in the rainy season. Rain risk remains low (19% of days), leaving good room for outdoor activities. A good balance between weather and crowds, even if December (8.9/10) remains theoretically better.
September ranks 4 out of 12 months in Nouméa. Compared to August: +2°C daytime, 8 pts fewer rainy days, +1.1h of sun per day.
This month's conditions
What it's like in September
UV index
8 · high
sunscreen and hat advised
Feels like
comfortable
16°
Sea
23°C
pleasant for swimming
Daylight
11.9h of daylight
Air quality
good
AQI 26
Compare
Is September the right month?
The best month in Nouméa is December (8.9/10), 0.6 pt higher than September.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Nouméa
Expedia →
Activities
Tours, tickets, experiences
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Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Nouméa
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.
Country · New Caledonia
🗣️LanguageFrench
💶CurrencyFranc CFP (F)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘVery expensive · 5/5
🌡️ Climate
🌍Climate typeTropical
📈Climate trend ⓘStable
🔥Hottest monthJanuary · 29°C
❄️Coolest monthAugust · 22°C
🌧️Rainiest month ⓘApril · 39%
🏝️ Tropical stay
🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Nouméa ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
New CaledoniaTropical climate with a 8.9 → 5.5 gap between best and worst month. 10 years of ERA5 data to choose by project.
22.28°S · 166.46°E
Questions
Frequently asked questions
What is the best time to visit Nouméa?
October is the best month with 26.0°C highs, 19.0°C lows, 8.3h of sunshine and 15.0% rainy days. The months of October & December offer comparable conditions.
How many hours of sunshine does Nouméa get in October?
Nouméa averages 8.3 sunshine hours per day in October. It is the sunniest month with a climate score of 8.3/10.
What is the rainiest month in Nouméa?
February is the most unfavourable month with February has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Nouméa in October?
In October, overnight lows reach 19.0°C, while afternoon highs average 26.0°C.
Is Nouméa good in winter?
In winter (December-February), Nouméa scores 7.1/10 on average — Decent period conditions for cultural visits.. The best month overall remains October with a score of 8.3/10.
When should you avoid Nouméa?
February is the most difficult month to visit Nouméa, with February has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Nouméa in September?
In September, the sea averages 23°C in Nouméa: pleasant for swimming. Swimming is pleasant without a wetsuit.
Do you need sun protection in Nouméa in September?
The average UV index reaches 8 in September in Nouméa (high), with about 11.9h of daylight. Sunscreen and hat advised.