New Caledonia weather in September

September is an excellent time to visit New Caledonia as it transitions the end of the cool winter season with the beginning of the hot summer season.

You can expect warmer weather and sea breezes with around seven hours of sunshine daily with little or no rain. September is the driest month of the year.

How hot is it in New Caledonia in September?
Maximum daytime temperatures in Nouméa, New Caledonia in September reach an average high of 24°C (75°F), with moderate heat and humidity, and low of 18°C (64°F).

How sunny is it in New Caledonia in September?
There are normally 7.5 hours of sunshine each day in Nouméa, New Caledonia in September – that's around 61% of daylight hours.

Sunrise & sunset in September?
Sunrise is around 5:50am with sunset around 5:50pm.

How warm is the sea around New Caledonia in September?
The average sea temperature in New Caledonia in September is 23°C (73°F), which is just warm enough for swimming.

Does it rain in New Caledonia in September?
There are usually six days with some rain in New Caledonia in September; the average monthly rainfall is 40mm (1.5in).

How windy is it in New Caledonia in September?
September sees an average hourly wind speed of 19 kilometres per hour (10 knots; 12 mph).

What to do in New Caledonia in September?
September weather conditions are good for hiking, climbing, cycling, horseback riding, sailing and surfing.

Local holidays?
New Caledonia Day – 24th September.

New Caledonia weather in September

Temperature icon High Temp: 24°C (75°F)
temperature icon Low Temp: 18°C (64°F)
sun icon Sunshine: 7.5 hours per day
Moderately hot icon
Daylight: 12 hours per day
wind icon Wind speed: 19 km/h (10 knots; 12 mph)
umbrella icon Wet Days: 6 days with some rain
rain cloud Rainfall: 40mm (1.5in) per month
Low heat icon Comfort Level: Low heat & 75% humidity
Moderately hot icon
UV Index: High
swimming icon Sea Temp: 23°C (73°F)
Nouméa, New Caledonia

Best time to visit New Caledonia

The best time to visit New Caledonia is from June through December, when the days are warm and sunny, with little or no rain on most days.

But overall, with a sunny year-round subtropical climate, New Caledonia is good to visit at anytime of the year.

 › New Caledonia weather overview

New Caledonia weather by month

Note: Meteorological data for New Caledonia is based on weather statistics gathered for the 30-year period 1991 to 2020, and is sourced from the Météo France en Nouvelle-Calédonie at the closest weather station, Nouméa Magenta Airport (l'Aéroport de Nouméa Magenta) (GEA), which is 3km (2mi) east northeast of the centre of Nouméa. Additional climate data is sourced from the World Meteorological Organization (WMO).

Advice on the best time to visit a particular destination is based on average local weather statistics, when the weather conditions are generally better than at other times of the year. We consider high and low temperatures, risk of rain (and thunderstorms, etc.), amount of sunshine and sea temperature. For general outdoor activities we favour clear, rainless days with a temperature range between 18°C (64°F) and 27°C (80°F); and for hot-weather activities we favour clear, rainless days with a temperature range between 24°C (75°F) and 32°C (89°F). Often, the best times to visit correspond to high season and therefore involve higher prices.

Latest update: New Caledonia weather in September: 8 October, 2023

Disclaimer: The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data and conditions at any given location and time are unpredictable and variable. We assume no responsibility and can not be held legally responsible for any decisions made on the basis of the information presented on this site.