Weather in New Zealand for September 2026
Until now, September 2026 in New Zealand is cooler than usual, with temperatures averaging 16.6 °C, this is 3.2 °C below the typical seasonal average.
Expect cooler weather in the next days in New Zealand with the forecast suggesting a temperature of 15.9 °C, lower than the historical average.
In general, the average temperature in New Zealand at the beginning of September is 20.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17 °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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New Zealand Weather September
Temperatures trend during September in New Zealand
September weather in New Zealand day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 21° /13° | 0.3 mm | 4 | |
| 2 Sept. |  Moderate rain at times | 20° /11° | 8.2 mm | 5 | |
| 3 Sept. |  Overcast | 21° /12° | 0 mm | 4 | |
| 4 Sept. | Patchy rain possible | 20° /13° | 105.8 mm | 4 | |
| 5 Sept. |  Sunny | 20° /13° | 159.3 mm | 4 | |
| 6 Sept. | Overcast | 21° /14° | 38.4 mm | 4 | |
| 7 Sept. | Moderate or heavy rain shower | 18° /15° | 45.5 mm | 3 | |
| 8 Sept. | Overcast | 19° /12° | 7.8 mm | 4 | |
| 9 Sept. | Overcast | 18° /10° | 0 mm | 4 | |
| 10 Sept. |  Cloudy | 21° /12° | 38.9 mm | 3 | |
| 11 Sept. | Sunny | 18° /13° | 1.2 mm | 2.2 | |
| 12 Sept. | Patchy rain possible | 14° /11° | 0.7 mm | 3 | |
| 13 Sept. | Overcast | 21° /12° | 0 mm | 4.4 | |
| 14 Sept. | Overcast | 17° /14° | 8.7 mm | 3.1 | |
| 15 Sept. | Sunny | 15° /10° | 0.1 mm | 4 | |
| 16 Sept. | Overcast | 18° /9° | 0 mm | 5 | |
| 17 Sept. | Overcast | 17° /15° | 12.9 mm | 4 | |
| 18 Sept. | Light rain shower | 15° /12° | 42.4 mm | 3 | |
| 19 Sept. | Patchy rain possible | 13° /10° | 1.1 mm | 4 | |
| 20 Sept. | Sunny | 13° /9° | 0 mm | 4 | |
| 21 Sept. | Sunny | 15° /9° | 0 mm | 4 | |
| 22 Sept. | Overcast | 13° /10° | 0 mm | 3 | |
| 23 Sept. | Overcast | 16° /9° | 26.8 mm | 4 | |
| 24 Sept. | Patchy rain possible | 18° /13° | 2.1 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 | |
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New Zealand in September - FAQ
What are the expected maximum and minimum temperatures in New Zealand during September?
How much rainfall should be expected in New Zealand during September?
What are the typical wind conditions in New Zealand during September?
September rainfall patterns in New Zealand
UV exposure in New Zealand during September
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