Ouvéa Island
New Caledonia
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Ouvéa Island, New Caledonia

The natural iconic Lekiny
The natural iconic Lekiny's Cliffs located in the Loyalty Islands in Quvea Island, New Caledonia
The first month of the spring, September, is still a warm month in Ouvéa Island, New Caledonia, with average temperature varying between 25°C (77°F) and 16°C (60.8°F).

Temperature

In Ouvéa Island, the average high-temperature in September is essentially the same as in August - a still warm 25°C (77°F). The average low-temperature, in Ouvéa Island, New Caledonia, is 16°C (60.8°F).

Rainfall

The month with the least rainfall in Ouvéa Island, New Caledonia, is September when the rain falls for 11 days and typically collects 63mm (2.5") of precipitation.

Sea temperature

July through September, with an average sea temperature of 24°C (75.2°F), are months with the coldest seawater in Ouvéa Island.
Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24°C (75.2°F).

Daylight

In Ouvéa Island, the average length of the day in September is 12h.

Sunshine

The average sunshine in September is 7h.

UV index

In September, the average daily maximum UV index in Ouvéa Island is 10. A UV Index estimate of 8 to 10 represents a very high health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 10 in September transform into the following instructions:
Take extra precautions. Protection against sun damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Prolonged stay under the direct sun should be avoided as much as possible, especially if a person burns easily. Sunscreen with a minimum 30 sun protection factor should always be used. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in September in Ouvéa Island?

The average high-temperature, in September, in Ouvéa Island, New Caledonia, is 25°C (77°F), while the average low-temperature is 16°C (60.8°F).

How much does it rain in Ouvéa Island in September?

In September, in Ouvéa Island, the rain falls for 11 days. Throughout September, 63mm (2.5") of precipitation is accumulated.

What is the driest month in Ouvéa Island?

September is the month with the least rainfall in Ouvéa Island, New Caledonia. Rain falls for 11 days and accumulates 63mm (2.5") of precipitation.

When is the sea coldest in Ouvéa Island?

Through and September, with an average sea temperature of 24°C (75.2°F).

How warm is the water in September in Ouvéa Island?

In Ouvéa Island, New Caledonia, the average seawater temperature in September is 24°C (75.2°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24°C (75.2°F).

How many hours of daylight does Ouvéa Island have in September?

In September, the average length of the day is 12h.

How long on average sun shines in September in Ouvéa Island?

In September, the average sunshine in Ouvéa Island is 7h.

What is the UV index reading in September in Ouvéa Island?

The average daily maximum UV index in September in Ouvéa Island is 10. A UV Index estimate of 8 to 10 represents a very high health risk from unprotected exposure to the UV radiation.
Average temperature in September - Ouvéa Island, New Caledonia
  • Average high temperature in September: 25°C

Warmest months (with the highest average high temperature) are January, February, March and December (29°C).
Months with the lowest average high temperature are July and August (24°C).

  • Average low temperature in September: 16°C

Months with the highest average low temperature are January and February (23°C).
The coldest month (with the lowest average low temperature) is August (15°C).

Average rainfall in September - Ouvéa Island, New Caledonia
  • Average rainfall in September: 63mm

The wettest month (with the highest rainfall) is March (260mm).
The driest month (with the lowest rainfall) is September (63mm).

Average rainfall days in September - Ouvéa Island, New Caledonia
  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is March (20 days).
Months with the lowest number of rainy days are September and October (11 days).

Average sea temperature in September - Ouvéa Island, New Caledonia
  • Average sea temperature in September: 24°C

Best months for swimming (with the highest average sea temperature) are February and March (28°C).
Coldest months (with the lowest average sea temperature) are July, August and September (24°C).

Average daylight in September / Average sunshine in September - Ouvéa Island, New Caledonia
  • Average daylight in September: 12h

The month with the longest days is December (Average daylight: 13.4h).
The month with shortest days is June (Average daylight: 10.9h).

  • Average sunshine in September: 7h

Months with most sunshine are October, November and December (Average sunshine: 8h).
The month with least sunshine is June (Average sunshine: 5h).

Average UV index in September - Ouvéa Island, New Caledonia
  • Average UV index in September: 10

Months with the highest UV index are January, February, March, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 6).