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New Caledonia, New Caledonia · Tropical

New Caledonia in September: go or not?

Excellent time. New Caledonia in September scores 8.3/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 22.28°S · 166.46°E
⚡ This month's verdict
Go for it
New Caledonia · September
8.3
18–24°
Temperature
19%
Rain
8h
Sun
🌴 Tropical☀️ High UV☀️ Dry all year
Photo : Nathan Feyssat via Unsplash
The month in detail

What to expect in September

September is peak dry season in New Caledonia. 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 October (8.7/10) remains theoretically better.

September ranks 4 out of 12 months in New Caledonia. Compared to August: +2°C daytime, 8 pts fewer rainy days, +0.8h 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
22°C
pleasant for swimming
Daylight
11.9h of daylight
Air quality
good
AQI 26
Compare

Is September the right month?

The best month in New Caledonia is October (8.7/10), 0.4 pt higher than September.

See October →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · New Caledonia

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
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
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘExpensive · 4/5

🌡️ 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
🛂VisaSchengen · 90 days
Location

Where is New Caledonia ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
New Caledonia
Tropical climate with a 8.7 → 5.3 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 New Caledonia?
November is the best month with 27.0°C highs, 21.0°C lows, 8.0h of sunshine and 20.0% rainy days. The months of November & December offer comparable conditions.
How many hours of sunshine does New Caledonia get in November?
New Caledonia averages 8.0 sunshine hours per day in November. It is the sunniest month with a climate score of 8.2/10.
What is the rainiest month in New Caledonia?
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 New Caledonia in November?
In November, overnight lows reach 21.0°C, while afternoon highs average 27.0°C.
Is New Caledonia good in winter?
In winter (December-February), New Caledonia scores 7.0/10 on average — Decent period conditions for cultural visits.. The best month overall remains November with a score of 8.2/10.
When should you avoid New Caledonia?
February is the most difficult month to visit New Caledonia, 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 New Caledonia in September?
In September, the sea averages 22°C in New Caledonia: pleasant for swimming. Swimming is pleasant without a wetsuit.
Do you need sun protection in New Caledonia in September?
The average UV index reaches 8 in September in New Caledonia (high), with about 11.9h of daylight. Sunscreen and hat advised.