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
September's onset sees an average high-temperature of a still mild 14.8°C (58.6°F), exhibiting a slight fluctuation from the previous month. A modest decline from daytime high temperatures is noticed in September, marking the average low at a fresh 10.9°C (51.6°F).Humidity
The months with the highest humidity are August and September, with an average relative humidity of 79%.Rainfall
In Orewa, during September, the rain falls for 17.5 days and regularly aggregates up to 61mm (2.4") of precipitation. In Orewa, during the entire year, the rain falls for 186.5 days and collects up to 625mm (24.61") of precipitation.Daylight
In Orewa, the average length of the day in September is 11h and 52min.On the first day of the month, sunrise is at 6:41 am and sunset at 6:01 pm NZST. On the last day of September, in Orewa, sunrise is at 6:58 am and sunset at 7:24 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 in Orewa is 6.5h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's radiation is especially intense around midday; try to stay in shade during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Orewa?
What are the most humid months in Orewa?
What is the average humidity in September in Orewa?
How many days does it rain in September in Orewa?
What is the average length of the day in September in Orewa?
What time are sunrise and sunset in September in Orewa?
When does Daylight Saving Time (DST) start in September in Orewa?
How long on average sun shines in September in Orewa?
How high is the UV index in September in Orewa?
Average temperature in September
Orewa, 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
Orewa, 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
Orewa, 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
Orewa, 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
Orewa, 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
Orewa, 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
Orewa, 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
Orewa, 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
Orewa, 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
Orewa, 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
Orewa, 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).
