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
As August transitions into September, Douglas records an average high-temperature of a still moderate 13.8°C (56.8°F), showing a gentle shift from the preceding month. Douglas notes a consistent average low-temperature of 9.5°C (49.1°F) during September nights.Humidity
May through October and December, with an average relative humidity of 80%, are the most humid months in Douglas.Rainfall
In Douglas, New Zealand, in September, during 19 rainfall days, 89mm (3.5") of precipitation is typically accumulated. In Douglas, during the entire year, the rain falls for 184.4 days and collects up to 878mm (34.57") of precipitation.Daylight
In September, the average length of the day in Douglas is 11h and 50min.On the first day of the month, sunrise is at 6:44 am and sunset at 5:59 pm NZST. On the last day of September, sunrise is at 6:58 am and sunset at 7:26 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 Douglas, New Zealand, is 6.4h.UV index
In September, the average daily maximum UV index in Douglas, New Zealand, is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Take precautions - Protection against sun damage is advised. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What are the temperatures in Douglas in September?
What is the most humid month in Douglas?
What is the average humidity in September in Douglas?
How much does it rain in Douglas in September?
What is the average length of the day in September in Douglas?
When are sunrise and sunset in September in Douglas?
When does Daylight Saving Time (DST) start in September in Douglas?
How long on average sun shines in September in Douglas?
What is the UV index intensity in September in Douglas?
Average temperature in September
Douglas, New Zealand
- Average high temperature in September: 13.8°C
The warmest month (with the highest average high temperature) is February (21.3°C).
The month with the lowest average high temperature is July (12.6°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is February (15.6°C).
The coldest month (with the lowest average low temperature) is July (8.8°C).
Average pressure in September
Douglas, New Zealand
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is March (1018.2mbar).
The month with the lowest atmospheric pressure is September (1013.7mbar).
Average wind speed in September
Douglas, New Zealand
- Average wind speed in September: 19.9km/h
The windiest month (with the highest average wind speed) is September (19.9km/h).
The calmest month (with the lowest average wind speed) is February (14.7km/h).
Average humidity in September
Douglas, New Zealand
- Average humidity in September: 80%
The months with the highest relative humidity are May, June, July, August, September, October and December (80%).
The months with the lowest relative humidity are January, March and November (78%).
Average rainfall in September
Douglas, New Zealand
- Average rainfall in September: 89mm
The wettest month (with the highest rainfall) is July (103mm).
The driest month (with the least rainfall) is February (38mm).
Average rainfall days in September
Douglas, New Zealand
- Average rainfall days in September: 19 days
The month with the highest number of rainy days is September (19 days).
The month with the least rainy days is February (10.7 days).
Average daylight in September /
Average sunshine in September
Douglas, New Zealand
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 54min).
The month with the shortest days is June (Average daylight: 9h and 24min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is December (Average sunshine: 8h and 30min).
The month with the least sunshine is June (Average sunshine: 6h and 6min).
Average sunshine days in September
Douglas, New Zealand
- Average sunshine days in September: 8.2 days
The month with the most sunshine days is January (15.7 days).
The month with the least sunshine days is September (8.2 days).
Average UV index in September
Douglas, New Zealand
- Average UV index in September: 4
The months with the highest UV index are January, February, March and December (UV index 5).
The months with the lowest UV index are May, June and July (UV index 3).
Average cloud cover in September
Douglas, New Zealand
- Average cloud cover in September: 50
The month with the most cloud cover is June (Cloud cover 51).
The months with the least cloud cover are January and February (Cloud cover 37).
Average visibility in September
Douglas, 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).
Douglas, New Zealand
Weather forecast for your location
2. Allow the app to use your location
