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
Weather in September
Temperature
The shift into September uncovers an average high-temperature of a still mild 14.9°C (58.8°F), subtly different from the previous month. Glenbrook registers a subtle dip to an average of 10.5°C (50.9°F) during the nights of September.Humidity
August and September, with an average relative humidity of 80%, are the most humid months.Rainfall
In September, in Glenbrook, the rain falls for 16.3 days. Throughout September, 58mm (2.28") of precipitation is accumulated. Throughout the year, in Glenbrook, there are 174 rainfall days, and 593mm (23.35") of precipitation is accumulated.Daylight
In Glenbrook, the average length of the day in September is 11h and 51min.On the first day of the month, sunrise is at 6:41 am and sunset at 6:00 pm NZST. On the last day of September, in Glenbrook, sunrise is at 6:57 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
August and September, with an average of 6.2h of sunshine, are months with the least sunshine in Glenbrook, New Zealand.UV index
In Glenbrook, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Take precautions - Protection against sunburn is recommended. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What is the temperature in September in Glenbrook?
What is the most humid month in Glenbrook?
What is the average humidity in September in Glenbrook?
How many days does it rain in September in Glenbrook?
What is the average length of the day in September in Glenbrook?
When are sunrise and sunset in September in Glenbrook?
When does Daylight Saving Time (DST) start in September in Glenbrook?
What is the month with the least sunshine in Glenbrook?
How many hours of sunshine does Glenbrook have in September?
What is the UV index intensity in September in Glenbrook?
Average temperature in September
Glenbrook, New Zealand
- Average high temperature in September: 14.9°C
The warmest month (with the highest average high temperature) is February (22.7°C).
The month with the lowest average high temperature is July (13.8°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is February (16.8°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).
Average pressure in September
Glenbrook, New Zealand
- Average pressure in September: 1014.7mbar
The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is September (1014.7mbar).
Average wind speed in September
Glenbrook, New Zealand
- Average wind speed in September: 18.5km/h
The windiest month (with the highest average wind speed) is September (18.5km/h).
The calmest month (with the lowest average wind speed) is February (13.2km/h).
Average humidity in September
Glenbrook, New Zealand
- Average humidity in September: 80%
The months with the highest relative humidity are August and September (80%).
The months with the lowest relative humidity are January and November (77%).
Average rainfall in September
Glenbrook, New Zealand
- Average rainfall in September: 58mm
The wettest month (with the highest rainfall) is June (68mm).
The driest month (with the least rainfall) is March (31mm).
Average rainfall days in September
Glenbrook, New Zealand
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is February (10.8 days).
Average daylight in September /
Average sunshine in September
Glenbrook, New Zealand
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is 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
Glenbrook, New Zealand
- Average sunshine days in September: 10.2 days
The month with the most sunshine days is January (16.6 days).
The month with the least sunshine days is August (10.1 days).
Average UV index in September
Glenbrook, 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 months with the lowest UV index are June and July (UV index 3).
Average cloud cover in September
Glenbrook, 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 41).
Average visibility in September
Glenbrook, 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).
Glenbrook, New Zealand
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