Climate guide for Nouméa, France

Nouméa in September

Weather, crowds & best time to visit

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September · France

Best time to visit Nouméa in September Weather, crowds & prices

Weather in Nouméa in September

Average temperature 22°C, 101 mm of rain, about 22 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

8.0/10

Ranked #4 of 12 months

Full year for Nouméa
Avg temp
22°C
Rainfall
101 mm
Humidity
78%
Days with 6h+ sun
22
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Nouméa scores 8.0/10 for beach and coastal travel - an above-average month (#4 of 12). Expect around 22°C, 101 mm of rain, and roughly 22 days with 6+ hours of sunshine this month.

Nouméa is New Caledonia's French capital, ringed by a lagoon with city beaches and an offshore lighthouse.

September in Nouméa — reliably good (4th best month)

With 22°C (72°F) on average, September delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.

101 mm of rain makes this a wet month here, though with about 22 days with 6+ hours of sunshine there is still bright weather between the fronts.

That is 8/10 on the same scale — 4th of 12 months, versus 9.3/10 for the best month here.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.

Expect mid-season pricing, and crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Nouméa in September?
In September, Nouméa averages 22°C, 101 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 8.0/10.
Is September a good time to visit Nouméa?
September earns a 8.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Nouméa in September?
Expect about 101 mm of rain in September. Average humidity is 78% and there are about 22 days with 6+ hours of sunshine.

Curated in Nouméa

Tickets & experiences

Things to do in Nouméa

Nouméa, France. Live activities and tours from GetYourGuide, matched to this destination.