September weather forecast
Whareponga, New Zealand

September

Weather in September

September, the first month of the spring in Whareponga, is also a moderate month, with an average temperature fluctuating between 14.3°C (57.7°F) and 8°C (46.4°F).

Temperature

September's arrival registers an average high-temperature of a still moderate 14.3°C (57.7°F), closely aligning with the temperature of the previous month. September nights in Whareponga cool down to an average low-temperature of 8°C (46.4°F).

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Whareponga, in September, it is raining for 12.1 days, with typically 40mm (1.57") of accumulated precipitation. In Whareponga, during the entire year, the rain falls for 155.8 days and collects up to 492mm (19.37") of precipitation.

Daylight

The average length of the day in September in Whareponga is 11h and 50min.
On the first day of the month, sunrise is at 6:27 am and sunset at 5:45 pm NZST. On the last day of September, sunrise is at 6:43 am and sunset at 7:09 pm NZDT.
Note: On Sunday, 29. September 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from NZST to NZDT. Daylight Saving Time lasts until Sunday, 06. April 2025, at 3:00 am; consequently, the time zone reverts from NZDT to NZST.

Sunshine

In September, the average sunshine is 7.2h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

What is the average September temperature in Whareponga?
The high-temperature, in September, in Whareponga, is 14.3°C (57.7°F), while the low-temperature averages to 8°C (46.4°F).
What is the average humidity in September in Whareponga?
In September, the average relative humidity in Whareponga is 79%.
How much does it rain in Whareponga in September?
In September, the rain falls for 12.1 days. Throughout September, 40mm (1.57") of precipitation is accumulated.
What is the average length of the day in September in Whareponga?
In September, the average day length in Whareponga is 11h and 50min.
When are sunrise and sunset in September in Whareponga?
On the first day of September, sunrise is at 6:27 am and sunset at 5:45 pm NZST. On the last day of the month, sunrise is at 6:43 am and sunset at 7:09 pm NZDT.
When does Daylight Saving Time (DST) start in September in Whareponga?
On Sunday, 29. September 2024, at 2:00 am, Daylight Saving Time starts in Whareponga, New Zealand, and the time zone changes from NZST to NZDT. DST ends on Sunday, 06. April 2025, at 3:00 am.
How many hours of sunshine does Whareponga have in September?
The average sunshine duration in September is 7.2h.
What is the UV index reading in September in Whareponga?
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Whareponga, New Zealand
  • Average high temperature in September: 14.3°C

The warmest month (with the highest average high temperature) is January (22.3°C).
The month with the lowest average high temperature is July (12.4°C).

  • Average low temperature in September: 8°C

The month with the highest average low temperature is February (14.9°C).
The coldest months (with the lowest average low temperature) are July and August (7.5°C).

Average pressure in September
Whareponga, New Zealand
  • Average pressure in September: 1013.5mbar

The month with the highest atmospheric pressure is March (1018.3mbar).
The months with the lowest atmospheric pressure are September and November (1013.5mbar).

Average wind speed in September
Whareponga, New Zealand
  • Average wind speed in September: 16.9km/h

The windiest month (with the highest average wind speed) is July (18.1km/h).
The calmest month (with the lowest average wind speed) is February (13.6km/h).

Average humidity in September
Whareponga, New Zealand
  • Average humidity in September: 79%

The months with the highest relative humidity are April, June and July (80%).
The month with the lowest relative humidity is January (75%).

Average rainfall in September
Whareponga, New Zealand
  • Average rainfall in September: 40mm

The wettest month (with the highest rainfall) is June (64mm).
The driest months (with the least rainfall) are February and May (30mm).

Average rainfall days in September
Whareponga, New Zealand
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is March (15.2 days).
The month with the least rainy days is January (10.4 days).

Average daylight in September /
Average sunshine in September
Whareponga, New Zealand
  • Average daylight in September: 11h and 5min

The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).

  • Average sunshine in September: 7h and 1min

The month with the most sunshine is November (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 12min).

Average sunshine days in September
Whareponga, New Zealand
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is February (13.2 days).

Average UV index in September
Whareponga, New Zealand
  • Average UV index in September: 4

The months with the highest UV index are January, February and December (UV index 5).
The months with the lowest UV index are May, June, July, August and October (UV index 3).

Average cloud cover in September
Whareponga, New Zealand
  • Average cloud cover in September: 40

The month with the most cloud cover is June (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 32).

Average visibility in September
Whareponga, New Zealand
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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