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 snowfall in September
- Average snowfall 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
The shift to September signals an average high-temperature of a moderate 13.2°C (55.8°F), subtly varied from August's 11.8°C (53.2°F). During September, the temperature in Castlepoint, New Zealand, is averaged to a low of 4.8°C (40.6°F) at night.Humidity
In Castlepoint, the average relative humidity in September is 85%.Rainfall
In Castlepoint, in September, during 14.6 rainfall days, 42mm (1.65") of precipitation is typically accumulated. Throughout the year, in Castlepoint, there are 175.5 rainfall days, and 563mm (22.17") of precipitation is accumulated.Snowfall
January through July, September through December are months without snowfall.Sea temperature
In September, the average sea temperature in Castlepoint is 13.9°C (57°F).Note: Dipping into 13.9°C (57°F) below 10°C (50°F) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 13°C (55.4°F) can be jarring.
Daylight
In September, the average length of the day is 11h and 49min.On the first day of September in Castlepoint, sunrise is at 6:39 am and sunset at 5:51 pm NZST. On the last day of the month, sunrise is at 6:50 am and sunset at 7:19 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 Castlepoint, New Zealand, the average sunshine in September is 6.6h.UV index
In September, the average daily maximum UV index in Castlepoint is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the average September temperature in Castlepoint?
What is the average humidity in September in Castlepoint?
How much does it rain in Castlepoint in September?
When it does not snow in Castlepoint?
Does it snow in Castlepoint in September?
How cold is the water in September in Castlepoint?
How many hours of daylight does Castlepoint have in September?
What time are sunrise and sunset in September in Castlepoint?
When does Daylight Saving Time (DST) start in September in Castlepoint?
How long on average sun shines in September in Castlepoint?
How high is the UV index in September in Castlepoint?
Average temperature in September
Castlepoint, New Zealand
- Average high temperature in September: 13.2°C
The warmest month (with the highest average high temperature) is February (21.9°C).
The month with the lowest average high temperature is July (10.5°C).
- Average low temperature in September: 4.8°C
The month with the highest average low temperature is February (11.4°C).
The coldest month (with the lowest average low temperature) is August (4.1°C).
Average pressure in September
Castlepoint, New Zealand
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is March (1018.1mbar).
The months with the lowest atmospheric pressure are September and November (1012.9mbar).
Average wind speed in September
Castlepoint, New Zealand
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is October (12.9km/h).
The calmest month (with the lowest average wind speed) is March (10.2km/h).
Average humidity in September
Castlepoint, New Zealand
- Average humidity in September: 85%
The month with the highest relative humidity is June (89%).
The month with the lowest relative humidity is January (78%).
Average rainfall in September
Castlepoint, New Zealand
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is April (61mm).
The driest month (with the least rainfall) is February (32mm).
Average rainfall days in September
Castlepoint, New Zealand
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is December (16.4 days).
The month with the least rainy days is February (11.7 days).
Average snowfall in September
Castlepoint, New Zealand
- Average snowfall in September: 0mm
The month with the highest snowfall is August (2mm).
The months with the least snowfall are January, February, March, April, May, June, July, September, October, November and December (0mm).
Average snowfall days in September
Castlepoint, New Zealand
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is August (0.2 days).
The months with the least snowfall days are January, February, March, April, May, June, September, October, November and December (0 days).
Average sea temperature in September
Castlepoint, New Zealand
- Average sea temperature in September: 13.9°C
The best month for swimming (with the highest average sea temperature) is February (18.3°C).
The coldest month (with the lowest average sea temperature) is July (13.7°C).
Average daylight in September /
Average sunshine in September
Castlepoint, New Zealand
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 15h and 6min).
The month with the shortest days is June (Average daylight: 9h and 18min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is December (Average sunshine: 8h and 36min).
The month with the least sunshine is June (Average sunshine: 4h and 36min).
Average sunshine days in September
Castlepoint, New Zealand
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is April (10 days).
Average UV index in September
Castlepoint, New Zealand
- Average UV index in September: 3
The month with the highest UV index is January (UV index 5).
The month with the lowest UV index is June (UV index 2).
Average cloud cover in September
Castlepoint, New Zealand
- Average cloud cover in September: 55
The months with the most cloud cover are June, September and October (Cloud cover 55).
The month with the least cloud cover is January (Cloud cover 42).
Average visibility in September
Castlepoint, New Zealand
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, May, June, July, September, October, November and December (8km).
The months with the lowest visibility are April and August (7km).
Castlepoint, New Zealand
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