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 sea temperature 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
Weather in September
Temperature
Upon the beginning of September, Whangarei's high-temperatures register at a still refreshing 15.5°C (59.9°F), closely mirroring the preceding month. Whangarei, during September nights, observes an average temperature of 10.4°C (50.7°F).Humidity
The average relative humidity in September is 80%.Rainfall
In September, in Whangarei, the rain falls for 14.3 days. Throughout September, 44mm (1.73") of precipitation is accumulated. In Whangarei, during the entire year, the rain falls for 154 days and collects up to 536mm (21.1") of precipitation.Sea temperature
In September, the average sea temperature is 15.8°C (60.4°F).Note: Swimming is not a pleasant activity for most when the water temperature is 15.8°C (60.4°F). As the water temperature drops from 21°C (69.8°F) to 15°C (59°F), breathing becomes more difficult to control.
Daylight
In Whangarei, New Zealand, the average length of the day in September 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 Whangarei, New Zealand, sunrise is at 7:00 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
The average sunshine in September is 6.9h.UV index
In Whangarei, New Zealand, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What are the temperatures in Whangarei in September?
What is the average humidity in September in Whangarei?
How many days does it rain in September in Whangarei?
How cold is the water in September in Whangarei?
What is the average length of the day in September in Whangarei?
When is the sunrise / sunset in September in Whangarei?
When does Daylight Saving Time (DST) start in September in Whangarei?
How many hours of sunshine does Whangarei have in September?
What is the UV index reading in September in Whangarei?
Average temperature in September
Whangarei, 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
Whangarei, 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
Whangarei, 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
Whangarei, 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
Whangarei, 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
Whangarei, 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 sea temperature in September
Whangarei, New Zealand
- Average sea temperature in September: 15.8°C
The best month for swimming (with the highest average sea temperature) is February (21.4°C).
The coldest month (with the lowest average sea temperature) is August (15.3°C).
Average daylight in September /
Average sunshine in September
Whangarei, 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
Whangarei, 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
Whangarei, 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
Whangarei, 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
Whangarei, 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).
Whangarei, New Zealand
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