September weather forecast
Matiti, French Polynesia

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Weather in September

September presents a moderate increment in temperatures and increased wind gust speeds reaching up to 34.3 Kph. As the month progresses, noticeable changes include a rise in daylight hours and an increase in rainfall. The cloud cover and humidity levels persist from August. The weather in Matiti during September holds a unique appeal with the cooling winds making the warmth pleasant.

Temperature

During August and September, Matiti experiences its lowest temperatures, averaging a high-temperature of 24.6°C (76.3°F).

Humidity

The average relative humidity in September is 79%.

Rainfall

In Matiti, in September, it is raining for 18.2 days, with typically 50mm (1.97") of accumulated precipitation. In Matiti, French Polynesia, during the entire year, the rain falls for 272.6 days and collects up to 1577mm (62.09") of precipitation.

Daylight

The average length of the day in September in Matiti is 12h and 1min.
On the first day of September, sunrise is at 06:03 and sunset at 17:50. On the last day of the month, sunrise is at 05:39 and sunset at 17:54 -10.

Sunshine

The average sunshine in September is 7h.

UV index

June through November, with an average maximum UV index of 6, are months with the lowest UV index in Matiti. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 6 in September translates into this advice:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What are the coldest months in Matiti?

Matiti witnesses its lowest temperatures in August and September, reaching an average of 24.6°C (76.3°F).

What is the usual temperature for Matiti in September?

In Matiti, in September, the average high-temperature is 24.6°C (76.3°F), and the average low-temperature is 24°C (75.2°F). In April, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 30°C (86°F).

What is the average humidity in September in Matiti?

The average relative humidity in September in Matiti is 79%.

How much does it rain in Matiti in September?

In Matiti, in September, it is raining for 18.2 days, with typically 50mm (1.97") of accumulated precipitation.

What is the average length of the day in September in Matiti?

The average day length in September in Matiti is 12h and 1min.

What time are sunrise and sunset in September in Matiti?

On the first day of September in Matiti, sunrise is at 06:03 and sunset at 17:50. On the last day of the month, sunrise is at 05:39 and sunset at 17:54 -10.

How long on average sun shines in September in Matiti?

The average sunshine duration in September in Matiti, French Polynesia, is 7h.

When is the lowest UV index in Matiti?

The months with the lowest UV index in Matiti are June through November, with an average maximum UV index of 6.

How high is the UV index in September in Matiti?

The average daily maximum UV index in September in Matiti, French Polynesia, is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.

Average temperature in September
Matiti, French Polynesia

Average temperature in September - Matiti, French Polynesia
  • Average high temperature in September: 24.6°C

The warmest month (with the highest average high temperature) is March (27.3°C).
The months with the lowest average high temperature are August and September (24.6°C).

  • Average low temperature in September: 24°C

The months with the highest average low temperature are March and April (26.2°C).
The coldest month (with the lowest average low temperature) is August (23.5°C).

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Average pressure in September
Matiti, French Polynesia

Average pressure in September - Matiti, French Polynesia
  • Average pressure in September: 1015.3mbar

The month with the highest atmospheric pressure is September (1015.3mbar).
The months with the lowest atmospheric pressure are January and December (1011.1mbar).

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Average wind speed in September
Matiti, French Polynesia

Average wind speed in September - Matiti, French Polynesia
  • Average wind speed in September: 25km/h

The windiest month (with the highest average wind speed) is September (25km/h).
The calmest month (with the lowest average wind speed) is March (18.3km/h).

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Average humidity in September
Matiti, French Polynesia

Average humidity in September - Matiti, French Polynesia
  • Average humidity in September: 79%

The months with the highest relative humidity are August, October and November (80%).
The months with the lowest relative humidity are January, March and April (78%).

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Average rainfall in September
Matiti, French Polynesia

Average rainfall in September - Matiti, French Polynesia
  • Average rainfall in September: 50mm

The wettest month (with the highest rainfall) is December (246mm).
The driest month (with the least rainfall) is August (40mm).

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Average rainfall days in September
Matiti, French Polynesia

Average rainfall days in September - Matiti, French Polynesia
  • Average rainfall days in September: 18.2 days

The month with the highest number of rainy days is January (29.3 days).
The month with the least rainy days is August (17.3 days).

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Average daylight in September /
Average sunshine in September
Matiti, French Polynesia

Average daylight in September / Average sunshine in September - Matiti, 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: 7h and 0min

The month with the most sunshine is December (Average sunshine: 9h and 12min).
The month with the least sunshine is August (Average sunshine: 5h and 36min).

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Average sunshine days in September
Matiti, French Polynesia

Average sunshine days in September - Matiti, French Polynesia
  • Average sunshine days in September: 6.2 days

The month with the most sunshine days is August (9.4 days).
The month with the least sunshine days is January (0.8 days).

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Average UV index in September
Matiti, French Polynesia

Average UV index in September - Matiti, French Polynesia
  • Average UV index in September: 6

The months with the highest UV index are January, February, March, April, May and December (UV index 7).
The months with the lowest UV index are June, July, August, September, October and November (UV index 6).

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Average cloud cover in September
Matiti, French Polynesia

Average cloud cover in September - Matiti, French Polynesia
  • Average cloud cover in September: 47

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is April (Cloud cover 42).

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Average visibility in September
Matiti, French Polynesia

Average visibility in September - Matiti, French Polynesia
  • Average visibility in September: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).

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Matiti, French Polynesia

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