September weather forecast
Isle of Pines, New Caledonia

The transition from August to September showcases a steady yet continuous increase in daylight and sunshine hours, despite temperature fluctuations being relatively unnoticeable. An uptick in solar exposure is experienced with an average 7 hours of sunshine, a step above the preceding months. The increased solar exposure corresponds with a hike in the UV index up to 9. Embracing the change into spring, September affirms its position with the record of the lowest rainfall, a welcoming 51mm (2.01"). The changes coming forward underline an approaching change in the weather pattern towards the hotter, sunnier months.

Temperature

July through September mark Isle of Pines's lowest temperatures, averaging a high-temperature of 23°C (73.4°F).

Rainfall

September is the month with the least rainfall in Isle of Pines. Rain falls for 11 days and accumulates 51mm (2.01") of precipitation.

Sea temperature

The months with the coldest seawater in Isle of Pines, New Caledonia, are July through October, with an average sea temperature of 23°C (73.4°F).
Note: For someone not comfortable with cold, swimming in 23°C (73.4°F) waters might be a stretch. However, with favorable conditions like abundant sunshine, mild wind, and warm air temperatures, the experience can be improved. And while wetsuits are not a must, they can be considered.

Daylight

The average length of the day in September in Isle of Pines is 11h and 58min.
On the first day of the month, sunrise is at 06:00 and sunset at 17:40. On the last day of September, in Isle of Pines, sunrise is at 05:31 and sunset at 17:48 +11.

Sunshine

In Isle of Pines, the average sunshine in September is 7h.

UV index

The average daily maximum UV index in September is 9. A UV Index estimate of 8 to 10 represents a very high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 9 in September translates into this advice:
Act with urgency in protecting yourself. Without it, skin and eyes can be harmed in no time. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. For optimal sun protection, use sunscreen of no less than 30 SPF. This not only prevents sunburn but also reduces radiation damage. Take note! The UV strength of the Sun elevates when reflected off water and sand.