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
September notes an average high-temperature of a still cool 12.5°C (54.5°F), subtly differing from August's 11.1°C (52°F). Grovetown observes an average low-temperature of 4.7°C (40.5°F) during September nights.Humidity
In September, the average relative humidity in Grovetown is 79%.Rainfall
In Grovetown, during September, the rain falls for 14.2 days and regularly aggregates up to 52mm (2.05") of precipitation. In Grovetown, during the entire year, the rain falls for 144.7 days and collects up to 634mm (24.96") of precipitation.Snowfall
January through June, August through December are months without snowfall in Grovetown.Daylight
In Grovetown, New Zealand, the average length of the day in September is 11h and 49min.On the first day of the month, sunrise is at 6:48 am and sunset at 5:59 pm NZST. On the last day of September, in Grovetown, sunrise is at 6:59 am and sunset at 7:28 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 Grovetown, the average sunshine in September is 7.8h.UV index
April through October, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Grovetown?
What is the average humidity in September in Grovetown?
How many days does it rain in September in Grovetown?
When it does not snow in Grovetown?
How many hours of daylight does Grovetown have in September?
When is the sunrise / sunset in September in Grovetown?
When does Daylight Saving Time (DST) start in September in Grovetown?
How long on average sun shines in September in Grovetown?
What are the months with the lowest UV index in Grovetown?
What is the UV index intensity in September in Grovetown?
Average temperature in September
Grovetown, New Zealand
- Average high temperature in September: 12.5°C
The warmest month (with the highest average high temperature) is January (20.7°C).
The month with the lowest average high temperature is July (10.1°C).
- Average low temperature in September: 4.7°C
The month with the highest average low temperature is January (11.6°C).
The coldest month (with the lowest average low temperature) is July (3.8°C).
Average pressure in September
Grovetown, New Zealand
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is March (1017.8mbar).
The month with the lowest atmospheric pressure is September (1012.5mbar).
Average wind speed in September
Grovetown, New Zealand
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is November (11.2km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in September
Grovetown, New Zealand
- Average humidity in September: 79%
The months with the highest relative humidity are June and August (82%).
The month with the lowest relative humidity is January (75%).
Average rainfall in September
Grovetown, New Zealand
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is December (68mm).
The driest month (with the least rainfall) is February (31mm).
Average rainfall days in September
Grovetown, New Zealand
- Average rainfall days in September: 14.2 days
The months with the highest number of rainy days are October and December (14.5 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Grovetown, New Zealand
- Average snowfall in September: 0mm
The month with the highest snowfall is July (2mm).
The months with the least snowfall are January, February, March, April, May, June, August, September, October, November and December (0mm).
Average snowfall days in September
Grovetown, New Zealand
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Grovetown, New Zealand
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 15h and 6min).
The month with the shortest days is June (Average daylight: 9h and 12min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is December (Average sunshine: 10h and 12min).
The months with the least sunshine are June and August (Average sunshine: 7h and 30min).
Average sunshine days in September
Grovetown, New Zealand
- Average sunshine days in September: 13.5 days
The months with the most sunshine days are February and March (17.8 days).
The month with the least sunshine days is December (13.2 days).
Average UV index in September
Grovetown, 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, September and October (UV index 3).
Average cloud cover in September
Grovetown, New Zealand
- Average cloud cover in September: 35
The months with the most cloud cover are June and August (Cloud cover 36).
The month with the least cloud cover is February (Cloud cover 27).
Average visibility in September
Grovetown, New Zealand
- Average visibility in September: 9km
The months with the highest visibility are February, March and June (10km).
The months with the lowest visibility are January, April, May, July, August, September, October, November and December (9km).
Grovetown, New Zealand
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