September weather forecast
Mare, New Caledonia

September sees a significant drop in rainfall, recording a low of 66mm (2.6") for the year. As the transition from winter to spring commences, days start to lengthen further reaching 12 hours. Pleasantly warm temperatures resume both on land and in the sea. With ample sunshine, moderate temperatures, and reduced rainfall, September provides an ideal spring setting in Mare, New Caledonia.

Temperature

In Mare, July through September are characterised by the lowest temperatures, recording an average high of 24°C (75.2°F).

Rainfall

The month with the least rainfall is September, when the rain falls for 12 days and typically collects 66mm (2.6") of precipitation.

Sea temperature

August and September, with an average sea temperature of 23°C (73.4°F), are months with the coldest seawater.
Note: People sensitive to cold might find swimming in 23°C (73.4°F) challenging. However, conditions like sunshine, wind, and ambient temperature play a significant role in the overall comfort. Wetsuits, while optional, might be beneficial.

Daylight

In Mare, the average length of the day in September is 11h and 58min.
On the first day of September in Mare, sunrise is at 05:57 and sunset at 17:38. On the last day of the month, sunrise is at 05:29 and sunset at 17:46 +11.

Sunshine

In Mare, New Caledonia, the average sunshine in September is 7h.

UV index

In September, the average daily maximum UV index is 10. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 10 suggests this advice:
Swift harm can befall unprotected skin and eyes. Prioritize safety. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Always apply a sunscreen with at least 30 SPF to protect yourself. Sunscreen can reduce the harmful effects of the Sun's radiation on your immune system. Attention! The combination of sand and water reflections enhances UV ray intensity.