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
The arrival of September witnesses a small shift in the average high-temperature, moving from a pleasant 21.3°C (70.3°F) in August to a warm 25.6°C (78.1°F). Discovery's average low-temperature for the month of September denotes a significant decline from the daily high, recording at a fresh 11.5°C (52.7°F).Humidity
September is the least humid month in Discovery, South Africa, with an average relative humidity of 34%.Rainfall
In Discovery, in September, it is raining for 3.4 days, with typically 6mm (0.24") of accumulated precipitation. Throughout the year, in Discovery, there are 117.1 rainfall days, and 441mm (17.36") of precipitation is accumulated.Daylight
In Discovery, South Africa, the average length of the day in September is 11h and 57min.On the first day of the month, sunrise is at 06:20 and sunset at 17:56. On the last day of September, sunrise is at 05:48 and sunset at 18:08 SAST.
Sunshine
The average sunshine in September in Discovery is 9.7h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 5 in September transforms into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What is the average September temperature in Discovery?
What is the least humid month in Discovery?
What is the average humidity in September in Discovery?
How many days does it rain in September in Discovery?
What is the average length of the day in September in Discovery?
What time are sunrise and sunset in September in Discovery?
How many hours of sunshine does Discovery have in September?
What is the UV index intensity in September in Discovery?
Average temperature in September
Discovery, South Africa
- Average high temperature in September: 25.6°C
The warmest months (with the highest average high temperature) are January and December (27.3°C).
The months with the lowest average high temperature are June and July (17.8°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is December (16.6°C).
The coldest month (with the lowest average low temperature) is July (6.1°C).
Average pressure in September
Discovery, South Africa
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in September
Discovery, South Africa
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is November (11.7km/h).
The calmest month (with the lowest average wind speed) is May (7.8km/h).
Average humidity in September
Discovery, South Africa
- Average humidity in September: 34%
The months with the highest relative humidity are January and February (64%).
The month with the lowest relative humidity is September (34%).
Average rainfall in September
Discovery, South Africa
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is January (90mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Discovery, South Africa
- Average rainfall days in September: 3.4 days
The month with the highest number of rainy days is January (19.8 days).
The month with the least rainy days is July (1.2 days).
Average daylight in September /
Average sunshine in September
Discovery, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is October (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).
Average sunshine days in September
Discovery, South Africa
- Average sunshine days in September: 25.7 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in September
Discovery, South Africa
- Average UV index in September: 5
The months with the highest UV index are January, February, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Discovery, South Africa
- Average cloud cover in September: 9
The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Discovery, South Africa
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Discovery, South Africa
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