September weather forecast
New Zealand

September ushers in the spring season in New Zealand, with temperatures gradually increasing across the country. Cities on the North Island, such as Auckland and Wellington, enjoy average temperatures around 13°C (55.4°F), a rise from the cooler winter months. The South Island's regions, including Christchurch and Dunedin, experience a warming trend with average temperatures of approximately 9°C (48.2°F).

The far north of the North Island welcomes the return of its sub-tropical warmth, with temperatures increasing to more agreeable levels. In contrast, areas of the South Island, including Central Otago and Canterbury's interior, witness a significant transition from the chilling winter to a milder climate.

When compared to August, September presents a noticeable shift in weather patterns. Daylight hours increase, and average temperatures continue their upward trend, signaling the firm establishment of spring. Daily sunshine extends to about four hours, giving a warm and pleasant atmosphere conducive to outdoor activities.

Snowfall during September gradually reduces, mainly confined to the high mountains. The lower altitudes and plains begin to experience milder weather, with decreasing instances of frost.

Sea temperatures in September remain relatively cold, ranging from 12°C (53.6°F) to 15°C (59°F), marking a slight increase from the colder winter months. Tropical cyclones remain virtually non-existent, consistent with the stabilizing spring climate.

October forecasts the continuation of spring, with further warming, more extended daylight, and blossoming flora across the country.

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• Auckland - September »
  September 2024, at 2:00 am, Daylight Saving Time starts in Auckland and the time zone changes from NZST to NZDT. On the first day of September in Auckland, New Zealand, sunrise is at 6:41 am and sunset at 6:00 pm NZST.
• Wellington - September »
  September 2024, at 2:00 am, Daylight Saving Time starts in Wellington, and the time zone changes from NZST to NZDT. When does Daylight Saving Time start in September in Wellington?
• Christchurch - September »
  September 2024, at 2:00 am, Daylight Saving Time starts in Christchurch and the time zone changes from NZST to NZDT. As August transitions into September, the average high-temperature in Christchurch rests at a mild 13.2°C (55.8°F), maintaining a close resemblance to the previous month.
• Hamilton - September »
  September 2024, at 2:00 am, Daylight Saving Time starts in Hamilton, New Zealand, and the time zone changes from NZST to NZDT. When does Daylight Saving Time start in September in Hamilton?
• Tauranga - September »
  September 2024, at 2:00 am, Daylight Saving Time starts in Tauranga and the time zone changes from NZST to NZDT. June, August and September, with an average relative humidity of 82%, are most humid months in Tauranga, New Zealand.
• Napier - September »
  September 2024, at 2:00 am, Daylight Saving Time starts in Napier, and the time zone changes from NZST to NZDT. On the last day of September, in Napier sunrise is at 6:48 am and sunset at 7:16 pm NZDT.
• Dunedin - September »
  The month with the least rainfall in Dunedin is September, when the rain falls for 11.4 days and typically collects 16mm (0.63") of precipitation. In Dunedin, New Zealand, snow does not fall in January through July, September through December.
• Palmerston North - September »
  September 2024, at 2:00 am, Daylight Saving Time starts in Palmerston North, New Zealand, and the time zone changes from NZST to NZDT. On the first day of September in Palmerston North, New Zealand, sunrise is at 6:41 am and sunset at 5:54 pm NZST.
• Nelson - September »
  September 2024, at 2:00 am, Daylight Saving Time starts in Nelson, New Zealand, and the time zone changes from NZST to NZDT. On the first day of September in Nelson sunrise is at 6:51 am and sunset at 6:02 pm NZST.
• Rotorua - September »
  September 2024, at 2:00 am, Daylight Saving Time starts in Rotorua, and the time zone changes from NZST to NZDT. When does Daylight Saving Time start in September in Rotorua?
• New Plymouth - September »
  September 2024, at 2:00 am, Daylight Saving Time starts in New Plymouth and the time zone changes from NZST to NZDT. In New Plymouth in September, during 12.6 rainfall days, 105mm (4.13") of precipitation is typically accumulated.
• Whangarei - September »
  September 2024, at 2:00 am, Daylight Saving Time starts in Whangarei and the time zone changes from NZST to NZDT. On the last day of September, in Whangarei, New Zealand, sunrise is at 7:00 am and sunset at 7:25 pm NZDT.