Swimming in New Calendonia in september 2025 Sea temperature by city in september

Do you want to go to the beach in New Calendonia in september 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in september in New Calendonia by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in New Calendonia in september 2025

Here, find the average sea temperature in New Calendonia in september in several coastal cities.

Direct access: South Province in september | Loyalty Islands Province in september | North Province in september

South Province in september

Noumea

on average:

74°F

min: 72°F / max: 76°F

Poé

on average:

75°F

min: 73°F / max: 77°F

Prony Bay

on average:

74°F

min: 72°F / max: 75°F

Île Ouen

on average:

73°F

min: 72°F / max: 76°F

Moindou

on average:

75°F

min: 73°F / max: 77°F

Thio

on average:

74°F

min: 73°F / max: 76°F

Loyalty Islands Province in september

Lifou island

on average:

76°F

min: 74°F / max: 78°F

Maré

on average:

74°F

min: 73°F / max: 77°F

Ouvéa

on average:

76°F

min: 74°F / max: 78°F

Tiga

on average:

74°F

min: 73°F / max: 77°F

North Province in september

Koumac

on average:

75°F

min: 73°F / max: 78°F

Poingam

on average:

75°F

min: 73°F / max: 78°F

Népoui

on average:

76°F

min: 73°F / max: 77°F

Poindimié

on average:

76°F

min: 74°F / max: 78°F

Ponérihouen

on average:

75°F

min: 74°F / max: 78°F

Pouébo

on average:

75°F

min: 72°F / max: 77°F

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Sea temperature in august in New Calendonia

Sea temperature in october in New Calendonia

Where should you go swimming in New Calendonia in the month of september?

Swimming in New Calendonia in september is pleasant

In september in New Calendonia swimming conditions are generally the same everywhere.

As for Noumea, Lifou island, Koumac, Maré, Ouvéa, Poé, Poingam, Prony Bay, Île Ouen, Moindou, Népoui, Poindimié, Ponérihouen, Pouébo, Thio, Tiga, Voh, Wala, Yaté, Dumbea, Mont-Dore and Paita, swimming is pleasant in september. The sea water is 74°F on average (min: 72°F/max: 76°F) so you can easily spend time in the water.

Where to go swimming in New Calendonia in september: the map of sea temperatures

ideal swimming

pleasant swimming

cool swimming

cold swimming

freezing swimming

Water temperature and seasonal norms in september

Noumea

	August	September	October
Average sea temperature	73°F	74°F	75°F
Minimum sea temperature	72°F	72°F	71°F
Maximum sea temperature	75°F	76°F	79°F
Average outside temperature	68°F	70°F	72°F
Maximum outside temperature	70°F	72°F	76°F
Minimum outside temperature	67°F	68°F	70°F
Precipitation	4.3in	2.8in	3.8in
Number of days of precipitation	4 jour(s) (13%)	3 jour(s) (11%)	5 jour(s) (16%)
Cloud cover	38%	34%	39%
Our opinion	pleasant swimming	pleasant swimming	pleasant swimming

More information on swimming in Noumea in september

Lifou island

	August	September	October
Average sea temperature	75°F	76°F	78°F
Minimum sea temperature	73°F	74°F	75°F
Maximum sea temperature	77°F	78°F	80°F
Average outside temperature	74°F	74°F	76°F
Maximum outside temperature	74°F	76°F	77°F
Minimum outside temperature	72°F	72°F	74°F
Precipitation	3.9in	2.6in	4.4in
Number of days of precipitation	3 jour(s) (11%)	3 jour(s) (9%)	4 jour(s) (14%)
Cloud cover	41%	38%	43%
Our opinion	pleasant swimming	pleasant swimming	pleasant swimming

More information on swimming in Lifou island in september

Koumac

	August	September	October
Average sea temperature	75°F	75°F	77°F
Minimum sea temperature	73°F	73°F	74°F
Maximum sea temperature	76°F	78°F	79°F
Average outside temperature	72°F	74°F	77°F
Maximum outside temperature	74°F	76°F	79°F
Minimum outside temperature	70°F	72°F	74°F
Precipitation	2.5in	1.6in	3.1in
Number of days of precipitation	2 jour(s) (8%)	2 jour(s) (6%)	3 jour(s) (9%)
Cloud cover	31%	28%	31%
Our opinion	pleasant swimming	pleasant swimming	pleasant swimming

More information on swimming in Koumac in september

Maré

	August	September	October
Average sea temperature	74°F	74°F	76°F
Minimum sea temperature	72°F	73°F	74°F
Maximum sea temperature	76°F	77°F	79°F
Average outside temperature	74°F	74°F	76°F
Maximum outside temperature	74°F	76°F	77°F
Minimum outside temperature	72°F	72°F	74°F
Precipitation	3.9in	2.6in	4.4in
Number of days of precipitation	3 jour(s) (11%)	3 jour(s) (9%)	4 jour(s) (14%)
Cloud cover	41%	38%	43%
Our opinion	pleasant swimming	pleasant swimming	pleasant swimming

More information on swimming in Maré in september

Ouvéa

	August	September	October
Average sea temperature	75°F	76°F	77°F
Minimum sea temperature	73°F	74°F	75°F
Maximum sea temperature	77°F	78°F	80°F
Average outside temperature	74°F	74°F	76°F
Maximum outside temperature	74°F	74°F	76°F
Minimum outside temperature	72°F	74°F	76°F
Precipitation	4.1in	2.4in	3.7in
Number of days of precipitation	3 jour(s) (10%)	2 jour(s) (7%)	4 jour(s) (12%)
Cloud cover	42%	38%	42%
Our opinion	pleasant swimming	pleasant swimming	pleasant swimming

More information on swimming in Ouvéa in september

List of coastal cities in New Calendonia

Noumea in september	pleasant swimming
Lifou island in september	pleasant swimming
Koumac in september	pleasant swimming
Maré in september	pleasant swimming
Ouvéa in september	pleasant swimming
Poé in september	pleasant swimming
Poingam in september	pleasant swimming
Prony Bay in september	pleasant swimming
Île Ouen in september	pleasant swimming
Moindou in september	pleasant swimming
Népoui in september	pleasant swimming
Poindimié in september	pleasant swimming
Ponérihouen in september	pleasant swimming
Pouébo in september	pleasant swimming
Thio in september	pleasant swimming
Tiga in september	pleasant swimming
Voh in september	pleasant swimming
Wala in september	pleasant swimming
Yaté in september	pleasant swimming
Dumbea in september	pleasant swimming
Mont-Dore in september	pleasant swimming
Paita in september	pleasant swimming