September weather forecast
Moorea-Maiao, French Polynesia

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Weather in September

September sees the weather in Moorea-Maiao start to take a subtle turn, as there is a slight increase in rainfall while the temperatures and UV index remain steady. This transition signifies the end of the drier months and the approach of the more humid part of the year. Despite slight changes, September still offers warm and mostly dry days suitable for sightseeing and beach activities. Outdoor explorers can fully enjoy this month's weather to savour underwater activities and grassland excursions. With the changing weather conditions, September serves as a gateway to the warmth and wetness of the coming months.

Temperature

June through October are identified as the coldest months in Moorea-Maiao, French Polynesia, with an average high-temperature of 28°C (82.4°F).

Rainfall

In Moorea-Maiao, French Polynesia, in September, it is raining for 5 days, with typically 54mm (2.13") of accumulated precipitation. Throughout the year, there are 115 rainfall days, and 1787mm (70.35") of precipitation is accumulated.

Sea temperature

August and September, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater in Moorea-Maiao.
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for all water activities, offering enjoyment without causing discomfort over extended periods.

Daylight

In Moorea-Maiao, the average length of the day in September is 12h and 1min.
On the first day of September in Moorea-Maiao, French Polynesia, sunrise is at 06:05 and sunset at 17:52. On the last day of the month, sunrise is at 05:41 and sunset at 17:56 -10.

Sunshine

In September, the average sunshine in Moorea-Maiao is 5h.

UV index

In September, the average daily maximum UV index in Moorea-Maiao is 11. A UV Index of 11, and more, symbolizes an extreme health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 11 during September, leads to the following recommendations:
Execute every important safeguard, as unprotected skin and eyes could burn within moments. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Following every swim or outdoor workout, a sunscreen with an SPF of not less than 30 should be liberally applied and re-applied frequently, even on overcast days. Notice! Sand and water reflections contribute to a stronger UV exposure.

Frequently asked questions

What is the coldest time of year in Moorea-Maiao?

In Moorea-Maiao, the coldest period comes during June through October, when the average high-temperature touches 28°C (82.4°F).

How hot is it in Moorea-Maiao in September?

In Moorea-Maiao, in September, the average high-temperature is 28°C (82.4°F), and the average low-temperature is 22°C (71.6°F).

How many days does it rain in September in Moorea-Maiao?

In Moorea-Maiao, in September, it is raining for 5 days, with typically 54mm (2.13") of accumulated precipitation.

What are the months with the coldest sea water in Moorea-Maiao?

August and September, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater.

How warm is the water in September in Moorea-Maiao?

In September, the average sea temperature is 26°C (78.8°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Moorea-Maiao have in September?

The average day length in September in Moorea-Maiao, French Polynesia, is 12h and 1min.

When is the sunrise / sunset in September in Moorea-Maiao?

On the first day of September, sunrise is at 06:05 and sunset at 17:52. On the last day of the month, sunrise is at 05:41 and sunset at 17:56 -10.

How many hours of sunshine does Moorea-Maiao have in September?

In September, the average sunshine duration in Moorea-Maiao is 5h.

How high is the UV index in September in Moorea-Maiao?

In Moorea-Maiao, the average daily maximum UV index in September is 11. A UV Index value of 11, and more, symbolizes an extreme health threat from unsafe exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in September
Moorea-Maiao, French Polynesia

Average temperature in September - Moorea-Maiao, French Polynesia
  • Average high temperature in September: 28°C

The warmest month (with the highest average high temperature) is March (31°C).
The months with the lowest average high temperature are June, July, August, September and October (28°C).

  • Average low temperature in September: 22°C

The month with the highest average low temperature is March (25°C).
The coldest months (with the lowest average low temperature) are July, August and September (22°C).

Average rainfall in September
Moorea-Maiao, French Polynesia

Average rainfall in September - Moorea-Maiao, French Polynesia
  • Average rainfall in September: 54mm

The wettest month (with the highest rainfall) is January (307mm).
The driest month (with the least rainfall) is August (53mm).

Average rainfall days in September
Moorea-Maiao, French Polynesia

Average rainfall days in September - Moorea-Maiao, French Polynesia
  • Average rainfall days in September: 5 days

The months with the highest number of rainy days are January and March (17 days).
The month with the least rainy days is August (4 days).

Average sea temperature in September
Moorea-Maiao, French Polynesia

Average sea temperature in September - Moorea-Maiao, French Polynesia
  • Average sea temperature in September: 26°C

The best months for swimming (with the highest average sea temperature) are March and April (29°C).
The coldest months (with the lowest average sea temperature) are August and September (26°C).

Average daylight in September /
Average sunshine in September
Moorea-Maiao, French Polynesia

Average daylight in September / Average sunshine in September - Moorea-Maiao, French Polynesia
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).

  • Average sunshine in September: 5h

The months with the most sunshine are January and March (Average sunshine: 17h).
The month with the least sunshine is August (Average sunshine: 4h).

Average UV index in September
Moorea-Maiao, French Polynesia

Average UV index in September - Moorea-Maiao, French Polynesia
  • Average UV index in September: 11

The months with the highest UV index are January, February, March, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 7).

Moorea-Maiao, French Polynesia

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