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
Garston's average high-temperature in September is a chilly 7.4°C (45.3°F), indicating a subtle variation from August. An average low-temperature of -0.7°C (30.7°F) is observed during the September nights.Humidity
The average relative humidity in September is 84%.Rainfall
In September, in Garston, the rain falls for 13.1 days. Throughout September, 36mm (1.42") of precipitation is accumulated. Throughout the year, there are 181.7 rainfall days, and 617mm (24.29") of precipitation is accumulated.Snowfall
March through November are months with snowfall in Garston. In September, in Garston, it is snowing for 2.5 days. Throughout September, 23mm (0.91") of snow is accumulated. Throughout the year, in Garston, there are 16.1 snowfall days, and 223mm (8.78") of snow is accumulated.Daylight
In Garston, the average length of the day in September is 11h and 46min.On the first day of the month, sunrise is at 7:13 am and sunset at 6:16 pm NZST. On the last day of September, sunrise is at 7:18 am and sunset at 7:51 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
The average sunshine in September in Garston is 7.7h.UV index
In Garston, the average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 in September translates into these instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Stay sun-safe with clothing that is both closely woven and worn loosely. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Garston in September?
What is the average humidity in September in Garston?
How much does it rain in Garston in September?
How many days does it snow in September in Garston?
What is the average length of the day in September in Garston?
When is the sunrise / sunset in September in Garston?
When does Daylight Saving Time (DST) start in September in Garston?
How long on average sun shines in September in Garston?
How high is the UV index in September in Garston?
Average temperature in September
Garston, New Zealand
- Average high temperature in September: 7.4°C
The warmest month (with the highest average high temperature) is February (17°C).
The month with the lowest average high temperature is July (3.7°C).
- Average low temperature in September: -0.7°C
The month with the highest average low temperature is January (6.4°C).
The coldest month (with the lowest average low temperature) is July (-2.4°C).
Average pressure in September
Garston, New Zealand
- Average pressure in September: 1010.6mbar
The month with the highest atmospheric pressure is March (1016.7mbar).
The month with the lowest atmospheric pressure is September (1010.6mbar).
Average wind speed in September
Garston, New Zealand
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is January (11km/h).
The calmest months (with the lowest average wind speed) are June and August (8.4km/h).
Average humidity in September
Garston, New Zealand
- Average humidity in September: 84%
The month with the highest relative humidity is July (90%).
The months with the lowest relative humidity are January and December (76%).
Average rainfall in September
Garston, New Zealand
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is June (29mm).
Average rainfall days in September
Garston, New Zealand
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is November (18.6 days).
The month with the least rainy days is June (10.9 days).
Average snowfall in September
Garston, New Zealand
- Average snowfall in September: 23mm
The month with the highest snowfall is July (51mm).
The months with the least snowfall are January, February and December (0mm).
Average snowfall days in September
Garston, New Zealand
- Average snowfall days in September: 2.5 days
The month with the highest number of snowfall days is July (3.8 days).
The months with the least snowfall days are January and February (0 days).
Average daylight in September /
Average sunshine in September
Garston, New Zealand
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 15h and 36min).
The month with the shortest days is June (Average daylight: 8h and 48min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is December (Average sunshine: 11h and 0min).
The month with the least sunshine is July (Average sunshine: 4h and 54min).
Average sunshine days in September
Garston, New Zealand
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is June (16.3 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in September
Garston, New Zealand
- Average UV index in September: 2
The months with the highest UV index are January and December (UV index 4).
The months with the lowest UV index are May and July (UV index 1).
Average cloud cover in September
Garston, New Zealand
- Average cloud cover in September: 44
The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is March (Cloud cover 42).
Average visibility in September
Garston, New Zealand
- Average visibility in September: 8km
The months with the highest visibility are January and December (9km).
The months with the lowest visibility are June, July and August (7km).
