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
The advent of September observes an average high-temperature of a still wintry 5.5°C (41.9°F), nearly identical to August's 4.6°C (40.3°F). In Mount Somers, an average nighttime temperature of -1.1°C (30°F) is expected during September.Humidity
In September, the average relative humidity is 91%.Rainfall
In September, the rain falls for 9.6 days. Throughout September, 114mm (4.49") of precipitation is accumulated. In Mount Somers, during the entire year, the rain falls for 162.6 days and collects up to 1501mm (59.09") of precipitation.Snowfall
January through December are months with snowfall in Mount Somers, New Zealand. In Mount Somers, in September, snow falls for 16.5 days, with typically accumulated 428mm (16.85") of snow. In Mount Somers, during the entire year, snow falls for 114.9 days and aggregates up to 3387mm (133.35") of snow.Daylight
The average length of the day in September in Mount Somers is 11h and 47min.On the first day of the month, sunrise is at 7:01 am and sunset at 6:07 pm NZST. On the last day of September, in Mount Somers, sunrise is at 7:08 am and sunset at 7:40 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 Mount Somers, the average sunshine in September is 5.3h.UV index
In Mount Somers, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 2 in September translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Mount Somers in September?
What is the average humidity in September in Mount Somers?
How many days does it rain in September in Mount Somers?
How much does it snow in Mount Somers in September?
What is the average length of the day in September in Mount Somers?
When is the sunrise / sunset in September in Mount Somers?
When does Daylight Saving Time (DST) start in September in Mount Somers?
How long on average sun shines in September in Mount Somers?
What is the UV index reading in September in Mount Somers?
Average temperature in September
Mount Somers, New Zealand
- Average high temperature in September: 5.5°C
The warmest month (with the highest average high temperature) is February (15.7°C).
The month with the lowest average high temperature is July (3.5°C).
- Average low temperature in September: -1.1°C
The months with the highest average low temperature are January and February (6.4°C).
The coldest month (with the lowest average low temperature) is July (-2.4°C).
Average pressure in September
Mount Somers, New Zealand
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is March (1017.3mbar).
The months with the lowest atmospheric pressure are September and November (1011.7mbar).
Average wind speed in September
Mount Somers, New Zealand
- Average wind speed in September: 11.2km/h
The windiest month (with the highest average wind speed) is January (12.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in September
Mount Somers, New Zealand
- Average humidity in September: 91%
The months with the highest relative humidity are July and August (92%).
The months with the lowest relative humidity are January and February (83%).
Average rainfall in September
Mount Somers, New Zealand
- Average rainfall in September: 114mm
The wettest month (with the highest rainfall) is November (176mm).
The driest month (with the least rainfall) is February (87mm).
Average rainfall days in September
Mount Somers, New Zealand
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is July (7.3 days).
Average snowfall in September
Mount Somers, New Zealand
- Average snowfall in September: 428mm
The month with the highest snowfall is August (734mm).
The month with the least snowfall is January (9mm).
Average snowfall days in September
Mount Somers, New Zealand
- Average snowfall days in September: 16.5 days
The month with the highest number of snowfall days is August (20.3 days).
The month with the least snowfall days is February (0.8 days).
Average daylight in September /
Average sunshine in September
Mount Somers, 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: 5h and 2min
The month with the most sunshine is December (Average sunshine: 8h and 0min).
The month with the least sunshine is June (Average sunshine: 4h and 18min).
Average sunshine days in September
Mount Somers, New Zealand
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is March (14.1 days).
The month with the least sunshine days is October (7.4 days).
Average UV index in September
Mount Somers, New Zealand
- Average UV index in September: 2
The month with the highest UV index is January (UV index 4).
The months with the lowest UV index are June and July (UV index 1).
Average cloud cover in September
Mount Somers, New Zealand
- Average cloud cover in September: 64
The month with the most cloud cover is October (Cloud cover 68).
The month with the least cloud cover is February (Cloud cover 55).
Average visibility in September
Mount Somers, New Zealand
- Average visibility in September: 7km
The months with the highest visibility are January, March and December (8km).
The month with the lowest visibility is August (6km).
