September weather forecast
Lifou Island, New Caledonia

September marks the start of the pleasant spring season in Lifou Island. There is a slight increase in rainfall to 63mm (2.48"), but it is usually quick showers followed by long hours of sunshine. The island's temperature makes a subtle shift upwards, with the sea temperature following suit at 24°C (75.2°F). Daylight hours expand further to about 12 hours, adding more time for sunbathing and other outdoor activities. September announces the start of the transition from cooler to warmer days, making it one of the most pleasant periods to visit Lifou Island.

Temperature

The shift into September finds Lifou Island, New Caledonia, at an average high-temperature of a still warm 25°C (77°F), closely comparable to August's conditions. Lifou Island's nighttime temperature in September falls to an average of 16°C (60.8°F).

Rainfall

September is the month with the least rainfall. Rain falls for 11 days and accumulates 63mm (2.48") of precipitation.

Sea temperature

The months with the coldest seawater are July through September, with an average sea temperature of 24°C (75.2°F).
Note: If you're wary of the cold, the surrounding conditions—sunshine, wind, and air temperature become crucial when swimming in 24°C (75.2°F) waters. Olympic standards, for reference, are set between 25°C (77°F) and 28°C (82.4°F).

Daylight

In September, the average length of the day is 11h and 58min.
On the first day of the month, sunrise is at 06:00 and sunset at 17:42. On the last day of September, sunrise is at 05:32 and sunset at 17:49 +11.

Sunshine

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

UV index

The average daily maximum UV index in September is 10. A UV Index reading of 8 to 10 represents a very high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, an average UV index of 10 transforms into the following instructions:
Immediate damage can occur to skin and eyes if left unprotected. Always take necessary precautions. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Limiting time under the Sun is advisable, especially for individuals who tend to burn. Ensure using sunscreen with a 30 SPF or higher. Take note! Sand and water reflections strengthen the Sun's UV exposure.