September weather forecast
Onerahi, New Zealand

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Weather in September

The first month of the spring, September, is also a moderate month in Onerahi, New Zealand, with an average temperature varying between 10.4°C (50.7°F) and 15.5°C (59.9°F).

Temperature

The transition into September notes an average high-temperature of a still refreshing 15.5°C (59.9°F), revealing a mild distinction from the 14.8°C (58.6°F) in August. Onerahi witnesses an average low-temperature of 10.4°C (50.7°F) throughout the month of September.

Humidity

In September, the average relative humidity in Onerahi is 80%.

Rainfall

In Onerahi, in September, it is raining for 14.3 days, with typically 44mm (1.73") of accumulated precipitation. Throughout the year, in Onerahi, there are 154 rainfall days, and 536mm (21.1") of precipitation is accumulated.

Daylight

The average length of the day in September in Onerahi is 11h and 52min.
On the first day of the month, sunrise is at 6:42 am and sunset at 6:03 pm NZST. On the last day of September, in Onerahi, sunrise is at 6:59 am and sunset at 7:25 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 Onerahi, the average sunshine in September is 6.9h.

UV index

In Onerahi, New Zealand, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Jan 27, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the usual temperature for Onerahi in September?

During September, Onerahi experiences an average high-temperature of 15.5°C (59.9°F) and a low-temperature of 10.4°C (50.7°F).

What is the average humidity in September in Onerahi?

The average relative humidity in September is 80%.

How many days does it rain in September in Onerahi?

In September, in Onerahi, the rain falls for 14.3 days. Throughout September, 44mm (1.73") of precipitation is accumulated.

How many hours of daylight does Onerahi have in September?

In Onerahi, New Zealand, the average day length in September is 11h and 52min.

When are sunrise and sunset in September in Onerahi?

On the first day of September in Onerahi, New Zealand, sunrise is at 6:42 am and sunset at 6:03 pm NZST. On the last day of the month, sunrise is at 6:59 am and sunset at 7:25 pm NZDT.

When does Daylight Saving Time (DST) start in September in Onerahi?

On Sunday, 29. September 2024, at 2:00 am, Daylight Saving Time starts in Onerahi, New Zealand, and the time zone changes from NZST to NZDT. DST ends on Sunday, 06. April 2025, at 3:00 am.

How long on average sun shines in September in Onerahi?

In September, the average sunshine duration in Onerahi, New Zealand, is 6.9h.

What is the UV index reading in September in Onerahi?

The average daily maximum UV index in September in Onerahi is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.

Average temperature in September
Onerahi, New Zealand

Average temperature in September - Onerahi, New Zealand
  • Average high temperature in September: 15.5°C

The warmest month (with the highest average high temperature) is February (22.8°C).
The month with the lowest average high temperature is July (14.3°C).

  • Average low temperature in September: 10.4°C

The month with the highest average low temperature is February (16.5°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).

Average pressure in September
Onerahi, New Zealand

Average pressure in September - Onerahi, New Zealand
  • Average pressure in September: 1015.2mbar

The months with the highest atmospheric pressure are March and April (1018.1mbar).
The month with the lowest atmospheric pressure is January (1015mbar).

Average wind speed in September
Onerahi, New Zealand

Average wind speed in September - Onerahi, New Zealand
  • Average wind speed in September: 16.7km/h

The windiest month (with the highest average wind speed) is September (16.7km/h).
The calmest month (with the lowest average wind speed) is February (13km/h).

Average humidity in September
Onerahi, New Zealand

Average humidity in September - Onerahi, New Zealand
  • Average humidity in September: 80%

The month with the highest relative humidity is August (82%).
The months with the lowest relative humidity are January and November (78%).

Average rainfall in September
Onerahi, New Zealand

Average rainfall in September - Onerahi, New Zealand
  • Average rainfall in September: 44mm

The wettest month (with the highest rainfall) is July (69mm).
The driest month (with the least rainfall) is November (26mm).

Average rainfall days in September
Onerahi, New Zealand

Average rainfall days in September - Onerahi, New Zealand
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is August (16.8 days).
The month with the least rainy days is January (7.9 days).

Average daylight in September /
Average sunshine in September
Onerahi, New Zealand

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

The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).

  • Average sunshine in September: 6h and 5min

The month with the most sunshine is January (Average sunshine: 7h and 54min).
The month with the least sunshine is August (Average sunshine: 6h and 36min).

Average sunshine days in September
Onerahi, New Zealand

Average sunshine days in September - Onerahi, New Zealand
  • Average sunshine days in September: 11.8 days

The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is August (10.5 days).

Average UV index in September
Onerahi, New Zealand

Average UV index in September - Onerahi, New Zealand
  • Average UV index in September: 4

The months with the highest UV index are January, February, March, November and December (UV index 5).
The month with the lowest UV index is July (UV index 3).

Average cloud cover in September
Onerahi, New Zealand

Average cloud cover in September - Onerahi, New Zealand
  • Average cloud cover in September: 45

The month with the most cloud cover is August (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 35).

Average visibility in September
Onerahi, New Zealand

Average visibility in September - Onerahi, New Zealand
  • Average visibility in September: 9km

The months with the highest visibility are March, April, May and June (10km).
The months with the lowest visibility are January, February, July, August, September, October, November and December (9km).

Onerahi, New Zealand

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