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The temperatures in New Caledonia in September are comfortable with low of 18°C and and high up to 22°C.
You can expect a few rainy days in New Caledonia during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in New Caledonia in September 2025.
If you’re planning to visit New Caledonia in the near future, we highly recommend that you review the 14 day weather forecast for New Caledonia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 26° / 23° | 8 | 23 | 0 | 232 mm | Good | New Caledonia in January |
| February | 27° / 23° | 9 | 20 | 0 | 206 mm | Good | New Caledonia in February |
| March | 26° / 23° | 11 | 21 | 0 | 290 mm | Good | New Caledonia in March |
| April | 25° / 22° | 7 | 23 | 0 | 201 mm | Good | New Caledonia in April |
| May | 23° / 20° | 5 | 26 | 0 | 151 mm | Perfect | New Caledonia in May |
| June | 22° / 19° | 4 | 26 | 0 | 161 mm | Good | New Caledonia in June |
| July | 21° / 18° | 4 | 27 | 0 | 132 mm | Good | New Caledonia in July |
| August | 21° / 17° | 4 | 27 | 0 | 108 mm | Good | New Caledonia in August |
| September | 22° / 18° | 2 | 28 | 0 | 70 mm | Good | New Caledonia in September |
| October | 23° / 19° | 4 | 27 | 0 | 96 mm | Perfect | New Caledonia in October |
| November | 24° / 20° | 4 | 26 | 0 | 131 mm | Perfect | New Caledonia in November |
| December | 26° / 22° | 6 | 25 | 0 | 148 mm | Perfect | New Caledonia in December |
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