SeasonMapMoorea (Mo'orea) weather in September
French Polynesia
September in Moorea: warm, a little rain, with clean air — one of the best months to visit.
#2 of 12 months in Moorea · #386 of 1383 destinations to visit in September · comfort 87/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Moorea in September
Notes from nearby Papeete (28 km away)
Moorea doesn't have its own notes for September yet — these are about Papeete, close enough to share the season.
Papeete's forum rates June through September as the high season for weather — comfortable temperatures in the 70s to low 80s°F, less humid than the rest of the year, and comparatively low chances of an all-day washout. Regulars flag September specifically as a bonus for whale season, with visitors reporting sunny, pleasant conditions on the large majority of days during a typical stay.
Add your own note from Moorea's card on the map.
Moorea climate normals — September
| Daytime high | 26°C / 79°F | 🌤 warm |
|---|---|---|
| Nighttime low | 22°C / 71°F | |
| Feels like (high) | 28°C / 82°F | |
| Sea temperature | 26°C / 79°F | 😎 warm sea |
| Rainfall | 79 mm / 3.1 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 19°C / 67°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 12 h | |
| Wind | 29 km/h / 18 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Moorea in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyAustral winter, the dry half, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Moorea's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherMoorea's weather peaks July–September, best around August.
September includes Humpback whale season.
Best weatherFair weatherToughest weather
What's on in Moorea in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Austral winter, the dry half
1 May – 31 OctDry seasonCrowdedMay to October is the drier, cooler half and the island's high season: the trade wind holds, the lagoon flattens in the mornings, and the ferry from Tahiti runs full.
- Nature
Humpback whale season
20 Jul – 20 NovBook earlyHumpbacks come up from Antarctica to calve just outside the reef, and Moorea is one of the places you can be in the water with them. September and October are the fullest weeks.
- Rule
Whale swim window is legislated
20 Jul – 20 NovBook earlyIn-water whale encounters are legal only between 20 July and 20 November, with licensed operators, a handful of swimmers at a time and a limit on boats per group. Outside those dates, nobody may approach. Source ↗
Nearby, and something's on
Within 300 km of Moorea — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Moorea?
Moorea in September — FAQ
- Is September a good time to visit Moorea?
- September in Moorea: warm, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Moorea on SeasonMap's comfort score (87/100).
- What is the weather like in Moorea in September?
- In September, Moorea averages a daily high of 26.3°C and a low of 21.9°C, with about 78.5 mm of rain over roughly 11.2 rainy days.
- What is the air quality in Moorea in September?
- Moorea has a mean US Air Quality Index of about 37 in September.
Other months in Moorea
Compare Moorea in September
Warmer or cooler than Moorea in September
Similar destinations in Pacific — September
Within 300 km: Papeete's Humpback whale season on 20 Jul – 20 Nov, and Bora Bora's Humpback season around 20 Jul – 20 Nov.