New Caledonia (Nouméa)
September
Weather in New Caledonia for September 2025
Your guide to New Caledonia weather in September - trends and predictions
In general, the average temperature in New Caledonia at the beginning of September is 22.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 23.1 °C by the end of September.
Expect significant rainfall in New Caledonia during September, with an average of 17 rainy days.
Is September a good time to visit New Caledonia? check out the best time to travel to New Caledonia page.
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13
Dry days
17
Rainy days
0
Snow days
22°/18°
Temperatures
23 km/h
Avg max wind
77 %
Avg humidity
New Caledonia in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2 24° | 3  22° | 4  22° | 5 22° | 6 23° | 7 22° |
| 8 23° | 9  23° | 10  24° | 11 23° | 12 22° | 13 23° | 14  22° |
| 15 20° | 16 20° | 17 21° | 18 21° | 19 22° | 20  22° | 21 24° |
| 22 25° | 23 24° | 24 23° | 25 23° | 26 23° | 27 23° | 28 23° |
| 29 24° | 30 23° |
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Temperatures trend during September in New Caledonia
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 24° /18° | 0.8 mm | 7 | |
| 2 Sept. | Patchy rain possible | 24° /18° | 0.6 mm | 7 | |
| 3 Sept. | Overcast | 22° /17° | 0 mm | 6 | |
| 4 Sept. | Cloudy | 22° /17° | 1.7 mm | 6 | |
| 5 Sept. | Light rain shower | 22° /18° | 0.9 mm | 6 | |
| 6 Sept. | Cloudy | 23° /18° | 0.1 mm | 6 | |
| 7 Sept. | Cloudy | 22° /18° | 0.1 mm | 6 | |
| 8 Sept. | Patchy rain possible | 23° /17° | 0.3 mm | 6 | |
| 9 Sept. | Partly cloudy | 23° /17° | 0 mm | 7 | |
| 10 Sept. | Sunny | 24° /18° | 0.1 mm | 6 | |
| 11 Sept. | Light rain shower | 23° /18° | 2.7 mm | 6 | |
| 12 Sept. | Overcast | 22° /18° | 0.1 mm | 6 | |
| 13 Sept. | Sunny | 23° /17° | 0.2 mm | 6 | |
| 14 Sept. | Moderate or heavy rain shower | 22° /18° | 14.6 mm | 6 | |
| 15 Sept. | Moderate or heavy rain shower | 20° /18° | 29.1 mm | 5 | |
| 16 Sept. | Light rain shower | 20° /18° | 4.4 mm | 6 | |
| 17 Sept. | Light rain shower | 21° /18° | 2.4 mm | 6 | |
| 18 Sept. | Light rain shower | 21° /18° | 2.9 mm | 6 | |
| 19 Sept. | Light rain shower | 22° /18° | 2.4 mm | 6 | |
| 20 Sept. | Light drizzle | 22° /18° | 1.2 mm | 6 | |
| 21 Sept. | Patchy rain possible | 24° /18° | 0.1 mm | 6 | |
| 22 Sept. | Patchy rain possible | 25° /19° | 0.3 mm | 6 | |
| 23 Sept. | Light rain shower | 24° /19° | 1.2 mm | 6 | |
| 24 Sept. | Patchy rain possible | 23° /19° | 1.2 mm | 6 | |
| 25 Sept. | Light rain shower | 23° /17° | 1.2 mm | 6 | |
| 26 Sept. | Sunny | 23° /18° | 0 mm | 7 | |
| 27 Sept. | Sunny | 23° /17° | 0 mm | 7 | |
| 28 Sept. | Partly cloudy | 23° /17° | 0 mm | 7 | |
| 29 Sept. | Patchy rain possible | 24° /19° | 0.9 mm | 6 | |
| 30 Sept. | Partly cloudy | 23° /18° | 4.5 mm | 6 | |
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Important Notice
Our weather forecast for New Caledonia in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the New Caledonia forecast closer to your planned date for the most up-to-date weather information.
New Caledonia in September - FAQ
What are the expected maximum and minimum temperatures in New Caledonia during September?
During September, expect a variety of temperatures with highs around 22° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in New Caledonia during September?
Significant rainfall exceeding 127.4 mm is expected in New Caledonia during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in New Caledonia during September?
The average wind speed in New Caledonia during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to New Caledonia in September?
As you prepare for your trip to New Caledonia in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in New Caledonia, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in New Caledonia
Explore the daily rainfall trends and prepare for New Caledonias September weather 💧
UV exposure in New Caledonia during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is New Caledonia?Get accurate weather forecasts for New Caledonia, located at latitude -22.274 and longitude 166.449. Stay updated with localized weather information tailored for New Caledonia.
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