New Zealand
September
Weather in New Zealand for September 2026
Your guide to New Zealand weather in September - trends and predictions
In general, the average temperature in New Zealand at the beginning of September is 21.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.9 °C by the end of September.
New Zealand experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 107.3 mm.
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Temperatures
Rain 🌧️
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22
Dry days
8
Rainy days
0
Snow days
19°/12°
Temperatures
22 km/h
Avg max wind
78 %
Avg humidity
New Zealand Weather September
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Temperatures trend during September in New Zealand
See the weather trend as well as the moving average line
September weather in New Zealand day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 21° /14° | 0.2 mm | 5 | |
| 2 Sept. |  Moderate rain at times | 20° /13° | 12.3 mm | 5 | |
| 3 Sept. |  Overcast | 20° /12° | 0 mm | 5 | |
| 4 Sept. | Patchy rain possible | 21° /12° | 0.1 mm | 6 | |
| 5 Sept. |  Sunny | 23° /13° | 0 mm | 6 | |
| 6 Sept. | Overcast | 24° /16° | 0 mm | 6 | |
| 7 Sept. | Moderate or heavy rain shower | 20° /16° | 35.4 mm | 5 | |
| 8 Sept. | Moderate rain at times | 20° /14° | 11.7 mm | 5 | |
| 9 Sept. |  Partly cloudy | 19° /11° | 0 mm | 5 | |
| 10 Sept. |  Cloudy | 19° /12° | 0 mm | 5 | |
| 11 Sept. | Patchy rain possible | 19° /11° | 0.1 mm | 5 | |
| 12 Sept. | Sunny | 17° /10° | 0 mm | 5 | |
| 13 Sept. | Patchy rain possible | 20° /13° | 0.1 mm | 5 | |
| 14 Sept. | Partly cloudy | 19° /11° | 1.1 mm | 5 | |
| 15 Sept. | Sunny | 19° /10° | 1.4 mm | 5 | |
| 16 Sept. | Sunny | 23° /13° | 0 mm | 6 | |
| 17 Sept. | Overcast | 24° /13° | 0 mm | 6 | |
| 18 Sept. | Overcast | 22° /14° | 0 mm | 6 | |
| 19 Sept. | Overcast | 18° /12° | 0.6 mm | 4 | |
| 20 Sept. | Patchy rain possible | 18° /10° | 0.1 mm | 5 | |
| 21 Sept. | Patchy rain possible | 18° /8° | 0.1 mm | 5 | |
| 22 Sept. | Patchy rain possible | 18° /9° | 0.5 mm | 5 | |
| 23 Sept. | Patchy rain possible | 16° /10° | 4.2 mm | 4 | |
| 24 Sept. | Patchy rain possible | 17° /8° | 0.2 mm | 4 | |
| 25 Sept. | Patchy rain possible | 16° /9° | 0.1 mm | 4 | |
| 26 Sept. | Overcast | 18° /12° | 22.1 mm | 5 | |
| 27 Sept. | Moderate or heavy rain shower | 16° /12° | 17.1 mm | 4 | |
| 28 Sept. | Patchy rain possible | 18° /11° | 0.2 mm | 5 | |
| 29 Sept. | Overcast | 19° /11° | 0 mm | 5 | |
| 30 Sept. |  Mist | 14° /11° | 0 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for New Zealand 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 Zealand forecast closer to your planned date for the most up-to-date weather information.
Change Month
New Zealand in September - FAQ
What are the expected maximum and minimum temperatures in New Zealand during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in New Zealand during September?
Significant rainfall exceeding 107.3 mm is expected in New Zealand during September, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in New Zealand during September?
The average wind speed in New Zealand during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in New Zealand
Explore the daily rainfall trends and prepare for New Zealands September weather 💧
Typically, New Zealand has 8 rainy days in September with a total of 107.3 mm of rainfall.
UV exposure in New Zealand during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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