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 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
As September unfolds, the average high-temperature reaches a still cool 11.9°C (53.4°F), hinting at a slight fluctuation from the previous month. During the nights in September, Nightcaps observes an average low-temperature of 5.4°C (41.7°F).Humidity
The average relative humidity in September is 80%.Rainfall
In Nightcaps, during September, the rain falls for 17.9 days and regularly aggregates up to 53mm (2.09") of precipitation. Throughout the year, in Nightcaps, there are 219.7 rainfall days, and 744mm (29.29") of precipitation is accumulated.Snowfall
May, August and September are months with snowfall. September is the last month it regularly snows. During 0.3 snowfall days, in September, Nightcaps aggregates 4mm (0.16") of snow. Throughout the year, in Nightcaps, there are 0.9 snowfall days, and 20mm (0.79") of snow is accumulated.Daylight
In Nightcaps, the average length of the day in September is 11h and 46min.On the first day of the month, sunrise is at 7:17 am and sunset at 6:18 pm NZST. On the last day of September, sunrise is at 7:20 am and sunset at 7:54 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 Nightcaps is 6.6h.UV index
The average daily maximum UV index in September in Nightcaps is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Nightcaps in September?
What is the average humidity in September in Nightcaps?
How many days does it rain in September in Nightcaps?
What is the last month it snows in Nightcaps?
How many hours of daylight does Nightcaps have in September?
When is the sunrise / sunset in September in Nightcaps?
When does Daylight Saving Time (DST) start in September in Nightcaps?
How many hours of sunshine does Nightcaps have in September?
What is the UV index reading in September in Nightcaps?
Average temperature in September
Nightcaps, New Zealand
- Average high temperature in September: 11.9°C
The warmest month (with the highest average high temperature) is January (17.1°C).
The month with the lowest average high temperature is July (9.7°C).
- Average low temperature in September: 5.4°C
The month with the highest average low temperature is January (10.3°C).
The coldest month (with the lowest average low temperature) is August (5.2°C).
Average pressure in September
Nightcaps, New Zealand
- Average pressure in September: 1009.2mbar
The month with the highest atmospheric pressure is March (1015.8mbar).
The month with the lowest atmospheric pressure is September (1009.2mbar).
Average wind speed in September
Nightcaps, New Zealand
- Average wind speed in September: 17.3km/h
The windiest month (with the highest average wind speed) is October (19.1km/h).
The calmest month (with the lowest average wind speed) is March (15km/h).
Average humidity in September
Nightcaps, New Zealand
- Average humidity in September: 80%
The month with the highest relative humidity is May (83%).
The months with the lowest relative humidity are January, October, November and December (79%).
Average rainfall in September
Nightcaps, New Zealand
- Average rainfall in September: 53mm
The wettest months (with the highest rainfall) are January and November (76mm).
The driest month (with the least rainfall) is August (46mm).
Average rainfall days in September
Nightcaps, New Zealand
- Average rainfall days in September: 17.9 days
The month with the highest number of rainy days is October (21.5 days).
The month with the least rainy days is February (15.7 days).
Average snowfall in September
Nightcaps, New Zealand
- Average snowfall in September: 4mm
The month with the highest snowfall is August (13mm).
The months with the least snowfall are January, February, March, April, June, July, October, November and December (0mm).
Average snowfall days in September
Nightcaps, New Zealand
- Average snowfall days in September: 0.3 days
The months with the highest number of snowfall days are August and September (0.3 days).
The months with the least snowfall days are January, February, March, April, June, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Nightcaps, New Zealand
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 15h and 42min).
The month with the shortest days is June (Average daylight: 8h and 42min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is December (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 4h and 30min).
Average sunshine days in September
Nightcaps, New Zealand
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is June (11.6 days).
The month with the least sunshine days is October (7.1 days).
Average UV index in September
Nightcaps, New Zealand
- Average UV index in September: 3
The months with the highest UV index are January, February, March and December (UV index 4).
The month with the lowest UV index is June (UV index 2).
Average cloud cover in September
Nightcaps, New Zealand
- Average cloud cover in September: 49
The month with the most cloud cover is June (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in September
Nightcaps, New Zealand
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
