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
Weather in September
Temperature
The arrival of September records an average high-temperature of a mild 13.2°C (55.8°F), closely related to the 11.8°C (53.2°F) observed in August. The average nighttime temperature in Glentunnel lowers to an icy 4.5°C (40.1°F) throughout September.Humidity
The average relative humidity in September in Glentunnel is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 8.2 days and typically collects 14mm (0.55") of precipitation.Snowfall
Months with snowfall are June through September. September is the last month it regularly snows. During 0.1 snowfall days, in September, Glentunnel aggregates 3mm (0.12") of snow. In Glentunnel, during the entire year, snow falls for 1 days and aggregates up to 13mm (0.51") of snow.Daylight
In Glentunnel, the average length of the day in September is 11h and 47min.On the first day of September, sunrise is at 6:58 am and sunset at 6:05 pm NZST. On the last day of the month, sunrise is at 7:06 am and sunset at 7:38 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 Glentunnel is 7.6h.UV index
April through September, with an average maximum UV index of 3, are months with the lowest UV index in Glentunnel. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Experience reduced UV exposure by about half when donning a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What is the usual temperature for Glentunnel in September?
What is the average humidity in September in Glentunnel?
What is the driest month in Glentunnel?
How much does it rain in Glentunnel in September?
What is the last month it snows in Glentunnel?
What is the average length of the day in September in Glentunnel?
What time are sunrise and sunset in September in Glentunnel?
When does Daylight Saving Time (DST) start in September in Glentunnel?
How many hours of sunshine does Glentunnel have in September?
When is the lowest UV index in Glentunnel?
What is the UV index intensity in September in Glentunnel?
Average temperature in September
Glentunnel, New Zealand
- Average high temperature in September: 13.2°C
The warmest month (with the highest average high temperature) is January (21.3°C).
The month with the lowest average high temperature is July (10.3°C).
- Average low temperature in September: 4.5°C
The month with the highest average low temperature is January (11.9°C).
The coldest month (with the lowest average low temperature) is July (3.8°C).
Average pressure in September
Glentunnel, New Zealand
- Average pressure in September: 1011mbar
The month with the highest atmospheric pressure is March (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed in September
Glentunnel, New Zealand
- Average wind speed in September: 13.8km/h
The windiest month (with the highest average wind speed) is January (15.3km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).
Average humidity in September
Glentunnel, New Zealand
- Average humidity in September: 78%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is January (70%).
Average rainfall in September
Glentunnel, New Zealand
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is October (38mm).
The driest month (with the least rainfall) is September (14mm).
Average rainfall days in September
Glentunnel, New Zealand
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is October (12.5 days).
The month with the least rainy days is May (8 days).
Average snowfall in September
Glentunnel, New Zealand
- Average snowfall in September: 3mm
The month with the highest snowfall is August (5mm).
The months with the least snowfall are January, February, March, April, May, October, November and December (0mm).
Average snowfall days in September
Glentunnel, New Zealand
- Average snowfall days in September: 0.1 days
The months with the highest number of snowfall days are June and August (0.3 days).
The months with the least snowfall days are January, February, March, April, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Glentunnel, New Zealand
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 15h and 24min).
The month with the shortest days is June (Average daylight: 9h and 0min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is December (Average sunshine: 10h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 6min).
Average sunshine days in September
Glentunnel, New Zealand
- Average sunshine days in September: 20 days
The month with the most sunshine days is May (21.2 days).
The month with the least sunshine days is November (17.3 days).
Average UV index in September
Glentunnel, New Zealand
- Average UV index in September: 3
The month with the highest UV index is January (UV index 5).
The months with the lowest UV index are April, May, June, July, August and September (UV index 3).
Average cloud cover in September
Glentunnel, New Zealand
- Average cloud cover in September: 38
The month with the most cloud cover is June (Cloud cover 43).
The months with the least cloud cover are January, February, March and May (Cloud cover 37).
Average visibility in September
Glentunnel, New Zealand
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, June, July and December (10km).
The months with the lowest visibility are May, August, September, October and November (9km).
Glentunnel, New Zealand
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