Mild
Average highs are around 25°C, so days are mild rather than hot.
September verdict
Good for holiday weather
Average highs are around 25°C, so days are mild rather than hot. Sunshine averages 6h per day, enough for a balanced month. Rainfall averages 51mm, which is relatively low for holiday planning.
Monthly averages
Temp
25°C
Rain
51mm
Sun
6h
Sea
23°C
Weather score
70
Good
Mild
Average highs are around 25°C, so days are mild rather than hot.
Drier
Rainfall averages 51mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6h per day, enough for a balanced month.
Swimmable
Sea temperatures average 23°C, which can work for swimming but may feel fresh.
Map
Compare New Caledonia with nearby places by weather score, rain, sun, temperature, and swim conditions.
September25°C average high
September is on the cooler side of New Caledonia's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
September51mm average rain
September is one of New Caledonia's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsMay and July to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September6 hours average sun
September is brighter than New Caledonia's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJanuary and September to December
This stretch has the strongest sunshine in the monthly averages.
September23°C average sea
September is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to April
Sea temperatures are usually near 27°C in this stretch, so swimming comfort is at its strongest.
September70 weather score
September sits close to New Caledonia's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsApril and October to December
These months have the strongest weather score in the monthly averages.