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
September
Weather in September
Temperature
Waitakere registers an average high-temperature of a still refreshing 14.8°C (58.6°F) with the arrival of September, showing minor deviation from the preceding month. During the nights of September, Waitakere records an average low-temperature of 11°C (51.8°F), reflecting a modest decrease from daytime highs.Humidity
The average relative humidity in September is 79%.Rainfall
In Waitakere, during September, the rain falls for 16.9 days and regularly aggregates up to 60mm (2.36") of precipitation. Throughout the year, there are 183.9 rainfall days, and 624mm (24.57") of precipitation is accumulated.Sea temperature
In September, the average sea temperature in Waitakere, New Zealand, is 15°C (59°F).Note: A majority do not enjoy swimming in water at 15°C (59°F). The difficulty in controlling breathing increases progressively as the temperature dips below 21°C (69.8°F).
Daylight
In September, the average length of the day is 11h and 51min.On the first day of September in Waitakere, New Zealand, sunrise is at 6:42 am and sunset at 6:01 pm NZST. On the last day of the month, 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
The months with the least sunshine are August and September, with an average of 6.2h of sunshine.UV index
The average daily maximum UV index in September in Waitakere, New Zealand, is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Waitakere in September?
What is the average humidity in September in Waitakere?
How many days does it rain in September in Waitakere?
What is the sea water temperature in September in Waitakere?
What is the average length of the day in September in Waitakere?
What time are sunrise and sunset in September in Waitakere?
When does Daylight Saving Time (DST) start in September in Waitakere?
What is the month with the least sunshine in Waitakere?
How many hours of sunshine does Waitakere have in September?
What is the UV index reading in September in Waitakere?
Average temperature in September
Waitakere, New Zealand
- Average high temperature in September: 14.8°C
The warmest month (with the highest average high temperature) is February (22.5°C).
The month with the lowest average high temperature is July (13.7°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is February (17.4°C).
The coldest month (with the lowest average low temperature) is July (10.3°C).
Average pressure in September
Waitakere, New Zealand
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is September (1014.8mbar).
Average wind speed in September
Waitakere, New Zealand
- Average wind speed in September: 19.6km/h
The windiest month (with the highest average wind speed) is September (19.6km/h).
The calmest month (with the lowest average wind speed) is February (14km/h).
Average humidity in September
Waitakere, New Zealand
- Average humidity in September: 79%
The month with the highest relative humidity is August (80%).
The months with the lowest relative humidity are January, March and November (77%).
Average rainfall in September
Waitakere, New Zealand
- Average rainfall in September: 60mm
The wettest month (with the highest rainfall) is August (73mm).
The driest months (with the least rainfall) are January, February and March (34mm).
Average rainfall days in September
Waitakere, New Zealand
- Average rainfall days in September: 16.9 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is January (10.7 days).
Average sea temperature in September
Waitakere, New Zealand
- Average sea temperature in September: 15°C
The best month for swimming (with the highest average sea temperature) is February (21.3°C).
The coldest month (with the lowest average sea temperature) is August (14.7°C).
Average daylight in September /
Average sunshine in September
Waitakere, 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 1min
The months with the most sunshine are January and December (Average sunshine: 7h and 48min).
The months with the least sunshine are August and September (Average sunshine: 6h and 12min).
Average sunshine days in September
Waitakere, New Zealand
- Average sunshine days in September: 8.9 days
The month with the most sunshine days is January (17.1 days).
The month with the least sunshine days is August (8.5 days).
Average UV index in September
Waitakere, 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
Waitakere, New Zealand
- Average cloud cover in September: 52
The month with the most cloud cover is September (Cloud cover 52).
The month with the least cloud cover is January (Cloud cover 39).
Average visibility in September
Waitakere, 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).
