Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
During September, Oneroa observes a subtle ascent to a still moderate 14.8°C (58.6°F) from August's 14.4°C (57.9°F) in the average high-temperature. Oneroa sees a minor drop to an average minimum temperature of 10.9°C (51.6°F) during the night in the month of September.Humidity
August and September, with an average relative humidity of 79%, are the most humid months in Oneroa, New Zealand.Rainfall
In Oneroa, in September, it is raining for 17.5 days, with typically 61mm (2.4") of accumulated precipitation. Throughout the year, in Oneroa, there are 186.5 rainfall days, and 625mm (24.61") of precipitation is accumulated.Daylight
In September, the average length of the day in Oneroa is 11h and 51min.On the first day of the month, sunrise is at 6:40 am and sunset at 5:59 pm NZST. On the last day of September, sunrise is at 6:56 am and sunset at 7:22 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
The average sunshine in September in Oneroa, New Zealand, is 6.5h.UV index
In Oneroa, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September leads to these instructions:
Be vigilant - Suggestions to stave off sun damage are provided. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Oneroa?
What are the most humid months in Oneroa?
What is the average humidity in September in Oneroa?
How much does it rain in Oneroa in September?
How many hours of daylight does Oneroa have in September?
When are sunrise and sunset in September in Oneroa?
When does Daylight Saving Time (DST) start in September in Oneroa?
How many hours of sunshine does Oneroa have in September?
What is the UV index reading in September in Oneroa?
Average temperature in September
Oneroa, New Zealand
- Average high temperature in September: 14.8°C
The warmest month (with the highest average high temperature) is February (22.6°C).
The month with the lowest average high temperature is July (13.8°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is February (17.5°C).
The coldest month (with the lowest average low temperature) is July (10.4°C).
Average pressure in September
Oneroa, New Zealand
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is March (1018.3mbar).
The months with the lowest atmospheric pressure are January and September (1014.8mbar).
Average wind speed in September
Oneroa, New Zealand
- Average wind speed in September: 19km/h
The windiest month (with the highest average wind speed) is September (19km/h).
The calmest month (with the lowest average wind speed) is February (13.9km/h).
Average humidity in September
Oneroa, New Zealand
- Average humidity in September: 79%
The months with the highest relative humidity are August and September (79%).
The months with the lowest relative humidity are January, February, March and November (77%).
Average rainfall in September
Oneroa, New Zealand
- Average rainfall in September: 61mm
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is January (34mm).
Average rainfall days in September
Oneroa, New Zealand
- Average rainfall days in September: 17.5 days
The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is January (11.1 days).
Average daylight in September /
Average sunshine in September
Oneroa, New Zealand
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 36min).
The month with the shortest days is June (Average daylight: 9h and 42min).
- Average sunshine in September: 6h and 3min
The month with the most sunshine is December (Average sunshine: 8h and 18min).
The month with the least sunshine is August (Average sunshine: 6h and 24min).
Average sunshine days in September
Oneroa, New Zealand
- Average sunshine days in September: 7.7 days
The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is September (7.7 days).
Average UV index in September
Oneroa, New Zealand
- Average UV index in September: 4
The months with the highest UV index are January, February, March, April and December (UV index 5).
The month with the lowest UV index is June (UV index 3).
Average cloud cover in September
Oneroa, New Zealand
- Average cloud cover in September: 49
The month with the most cloud cover is September (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 37).
Average visibility in September
Oneroa, 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).
