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 Greylingstad transitions into September, the average high-temperature is observed to slightly rise from a pleasant 21°C (69.8°F) in August to a moderately hot 25°C (77°F). September, marked by an average low-temperature of 11.1°C (52°F), indicates a large temperature drop from the daytime peak.Humidity
With an average relative humidity of 36%, September is the least humid month.Rainfall
In Greylingstad, during September, the rain falls for 2.6 days and regularly aggregates up to 9mm (0.35") of precipitation. In Greylingstad, during the entire year, the rain falls for 118.9 days and collects up to 476mm (18.74") of precipitation.Daylight
In Greylingstad, South Africa, the average length of the day in September is 11h and 56min.On the first day of September, sunrise is at 06:17 and sunset at 17:52. On the last day of the month, sunrise is at 05:44 and sunset at 18:04 SAST.
Sunshine
In September, the average sunshine is 8.9h.UV index
In Greylingstad, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 5 in September translates into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the temperature in September in Greylingstad?
What is the least humid month in Greylingstad?
What is the average humidity in September in Greylingstad?
How many days does it rain in September in Greylingstad?
What is the average length of the day in September in Greylingstad?
When is the sunrise / sunset in September in Greylingstad?
How long on average sun shines in September in Greylingstad?
What is the UV index intensity in September in Greylingstad?
Average temperature in September
Greylingstad, South Africa
- Average high temperature in September: 25°C
The warmest month (with the highest average high temperature) is February (26.5°C).
The month with the lowest average high temperature is June (17.4°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is December (14.5°C).
The coldest month (with the lowest average low temperature) is July (4.5°C).
Average pressure in September
Greylingstad, South Africa
- Average pressure in September: 1019mbar
The month with the highest atmospheric pressure is July (1024.9mbar).
The month with the lowest atmospheric pressure is January (1014.2mbar).
Average wind speed in September
Greylingstad, South Africa
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is September (12.5km/h).
The calmest month (with the lowest average wind speed) is March (8.9km/h).
Average humidity in September
Greylingstad, South Africa
- Average humidity in September: 36%
The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is September (36%).
Average rainfall in September
Greylingstad, South Africa
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is December (109mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days in September
Greylingstad, South Africa
- Average rainfall days in September: 2.6 days
The month with the highest number of rainy days is January (21.4 days).
The month with the least rainy days is July (0.6 days).
Average daylight in September /
Average sunshine in September
Greylingstad, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is October (Average sunshine: 11h and 30min).
The month with the least sunshine is April (Average sunshine: 7h and 18min).
Average sunshine days in September
Greylingstad, South Africa
- Average sunshine days in September: 26.7 days
The month with the most sunshine days is July (30.3 days).
The month with the least sunshine days is January (7.4 days).
Average UV index in September
Greylingstad, South Africa
- Average UV index in September: 5
The month with the highest UV index is November (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Greylingstad, South Africa
- Average cloud cover in September: 11
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in September
Greylingstad, South Africa
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).
Greylingstad, South Africa
Weather forecast for your location
2. Allow the app to use your location
