Climate guide for Moorea, French Polynesia

Moorea in September

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

September · French Polynesia

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

Weather in Moorea in September

Average temperature 26°C, 114 mm of rain, about 23 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

8.2/10

Ranked #4 of 12 months

Full year for Moorea
Avg temp
26°C
Rainfall
114 mm
Humidity
78%
Days with 6h+ sun
23
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Moorea scores 8.2/10 for beach and coastal travel - an above-average month (#4 of 12). Expect around 26°C, 114 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.

Moorea rises from a lagoon a short ferry ride from Tahiti, with two deep bays and a coral reef around its shore.

September holds up well in Moorea — 4th best month

With 26°C (78°F) on average, September delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.

114 mm of rain makes this a wet month here, though with about 23 days with 6+ hours of sunshine there is still bright weather between the fronts.

That is 8.2/10 on the same scale — 4th of 12 months, versus 8.9/10 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 Moorea in September?
In September, Moorea averages 26°C, 114 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 8.2/10.
Is September a good time to visit Moorea?
September earns a 8.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Moorea in September?
Expect about 114 mm of rain in September. Average humidity is 78% and there are about 23 days with 6+ hours of sunshine.

Curated in Moorea

Tickets & experiences

Things to do in Moorea

Moorea, French Polynesia. Live activities and tours from GetYourGuide, matched to this destination.