New Caledonia in september: average Weather, Temperature and Climate, Where to go?
Weather in New Calendonia in september 2025
Below, find the the weather forecast for september for most popular cities in New Caledonia. These datas are probabilities for september from weather reports for over 10 years. The percentage indicates the probability of having the weather indicated.
Average weather in september in Noumea
perfect weather UV index: 6
Weather at 6am
68°F
Clear/Sunny
46% of time
29%
18%
6%
Weather at 12pm
70°F
Clear/Sunny
47% of time
28%
19%
4%
Weather at 6pm
70°F
Clear/Sunny
38% of time
36%
19%
6%
Weather at 3am
65°F
34%
30%
29%
5%
Where to go in New Calendonia in september?
Where to go in New Calendonia in september: destination map
perfect weather
good
tolerable
bad
very bad
Where to go in each region in september?
| Loyalty Islands Province (Lifou island, Maré, Ouvéa...) | 74°F to 76°F | 2 à 3 days | 76°F | good weather |
| North Province (Koumac, Koné, Poingam...) | 74°F to 76°F | 2 days | 76°F | perfect weather* |
| South Province (Noumea, île des Pins, Poé...) | 72°F to 76°F | 2 à 3 days | 74°F to 76°F | perfect weather |
Where should you go in New Calendonia in september when it comes to the weather?
Remember:
The climate in New Calendonia in september ranges from perfect to good depending on the region and city.
In september the weather in New Caledonia is perfect, but in Koumac only. Thus, in Koumac these ideal weather conditions will allow you to enjoy 100% your travel: the sun is guaranteed, rainfall is scarce and the humidity is endurable. It is therefore the ideal month to visit this city!
However, the weather is still favorable in Maré, Ouvéa, île des Pins, Lifou island, Bourail and Noumea. In these areas, temperatures are pleasing and allow you to visit and enjoy the sun.
Climate in New Calendonia in september
Climate in Noumea in september
In the month of september, the mean temperature in Noumea is 70°F (maximum temperature is 72°F and minimum temperature is 68°F). The climate quite nice around this city in this month. With 2.8in over 3 days, rainfall can happen for your journey. But this is rather reasonably and you will not be too bothered by it.
With a good weather, the month of september is an advisable month to go in that area in New Caledonia.
| September | |||
| Average temperature | 70°F | ||
| Highest temperature | 72°F | ||
| Lowest temperature | 68°F | ||
| Sea temperature | 74°F | ||
| Rainfall | 2.8in | ||
| Number of days with rainfall | 3 day(s) (11%) | ||
| Humidity | 78% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 34% | ||
| Length of day | 11:57 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in île des Pins in september
In the month of september, maximum temperature is 72°F and minimum temperature is 70°F (for an average temperature of 72°F). The climate pleasant in this location in this month. With about 2.6in over 3 days,
it rains very little throughout your journey.
With good weather conditions, september is an advisable month to go in this city.
| September | |||
| Average temperature | 72°F | ||
| Highest temperature | 72°F | ||
| Lowest temperature | 70°F | ||
| Rainfall | 2.6in | ||
| Number of days with rainfall | 3 day(s) (10%) | ||
| Humidity | 75% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 38% | ||
| Length of day | 11:57 | ||
| Our opinion at whereandwhen.net | good |
Climate in Lifou island in september
In the month of september, maximum temperature is 76°F and minimum temperature is 72°F (for an average temperature of 74°F). The climate enjoyable around this city in september. With 2.6in over 3 days, you risk getting wet slightly throughout your holidays. But this is pretty reasonably and you will not be too bothered by it.
With good weather conditions, september is a good time to go there.
| September | |||
| Average temperature | 74°F | ||
| Highest temperature | 76°F | ||
| Lowest temperature | 72°F | ||
| Sea temperature | 76°F | ||
| Rainfall | 2.6in | ||
| Number of days with rainfall | 3 day(s) (9%) | ||
| Humidity | 75% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 38% | ||
| Length of day | 11:58 | ||
| Our opinion at whereandwhen.net | good |
Climate in Koné in september
In the month of september, maximum temperature is 74°F and minimum temperature is 68°F (for an average temperature of 70°F). The climate is good in this location in september. With 2.4in over 2 days, rainfall can happen during your trip. But this is rather moderate and it will not be continuous.
With a good climate, the month of september is a good time to go there in New Caledonia.
| September | |||
| Average temperature | 70°F | ||
| Highest temperature | 74°F | ||
| Lowest temperature | 68°F | ||
| Rainfall | 2.4in | ||
| Number of days with rainfall | 2 day(s) (8%) | ||
| Humidity | 77% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 36% | ||
| Length of day | 11:58 | ||
| Our opinion at whereandwhen.net | good |
Climate in Koumac in september
In the month of september, the mean temperature in Koumac is 74°F (maximum temperature is 76°F and minimum temperature is 72°F). The climate quite pleasant around this city in the month of september. With 1.6in over 2 days, the rain will not be a problem throughout your vacations.
With a perfect weather, september is an advisable time to go in that area in New Caledonia.
| September | |||
| Average temperature | 74°F | ||
| Highest temperature | 76°F | ||
| Lowest temperature | 72°F | ||
| Sea temperature | 76°F | ||
| Rainfall | 1.6in | ||
| Number of days with rainfall | 2 day(s) (6%) | ||
| Humidity | 75% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 28% | ||
| Length of day | 11:58 | ||
| Our opinion at whereandwhen.net | perfect |
All cities in New Calendonia in september
| Noumea in september | perfect weather |
| île des Pins in september | good weather |
| Lifou island in september | good weather |
| Koné in september | good weather |
| Koumac in september | perfect weather |
| Maré in september | good weather |
| Ouvéa in september | good weather |
| Poé in september | perfect weather |
| Poingam in september | perfect weather |
| Prony Bay in september | perfect weather |
| Bourail in september | perfect weather |
| Canala in september | perfect weather |
| Chutes de la Madeleine in september | perfect weather |
| Farino in september | perfect weather |
| Île Ouen in september | perfect weather |
| Moindou in september | perfect weather |
| Népoui in september | good weather |
| Ouégoa in september | perfect weather |
| Rivière-Bleue Park in september | perfect weather |
| Poindimié in september | good weather |
| Ponérihouen in september | good weather |
| Pouébo in september | perfect weather |
| Thio in september | perfect weather |
| Tiébaghi in september | perfect weather |
| Tiga in september | good weather |
| Voh in september | perfect weather |
| Wala in september | perfect weather |
| Yaté in september | perfect weather |
| Bouloupari in september | perfect weather |
| Dumbea in september | perfect weather |
| Mont-Dore in september | perfect weather |
| Paita in september | perfect weather |
Weather data for New Caledonia in september:
Weather data for New Caledonia in september is derived from an average of the weather forecast since 2009 in New Calendonia. There is a margin of error and these forecasts are to be considered as general information only. The weather in New Calendonia can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to New Caledonia.