September weather forecastMare, New Caledonia
September
Weather in September
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mare, New Caledonia
- Average high temperature in September: 24°C
The warmest months (with the highest average high temperature) are January and February (29°C).
The months with the lowest average high temperature are July, August and September (24°C).
- Average low temperature in September: 16°C
The months with the highest average low temperature are January, February and March (22°C).
The coldest months (with the lowest average low temperature) are July and August (15°C).
Average rainfall in September
Mare, New Caledonia
- Average rainfall in September: 66mm
The wettest month (with the highest rainfall) is March (231mm).
The driest month (with the least rainfall) is September (66mm).
Average rainfall days in September
Mare, New Caledonia
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is March (20 days).
The months with the least rainy days are September and October (12 days).
Average sea temperature in September
Mare, New Caledonia
- Average sea temperature in September: 23°C
The best months for swimming (with the highest average sea temperature) are January, February, March and April (27°C).
The coldest months (with the lowest average sea temperature) are August and September (23°C).
Average daylight in September /
Average sunshine in September
Mare, New Caledonia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 7h
The months with the most sunshine are October, November and December (Average sunshine: 8h).
The month with the least sunshine is June (Average sunshine: 5h).
Average UV index in September
Mare, New Caledonia
- Average UV index in September: 10
The months with the highest UV index are January, February, March, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 6).





