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
September's arrival in Roodepoort coincides with a subtle temperature rise, moving from August's agreeable 21.3°C (70.3°F) to a warm 25.6°C (78.1°F). Despite high daytime temperatures, the average temperature in Roodepoort, South Africa, lowers to a cool 11.5°C (52.7°F) during September nights.Humidity
The least humid month is September, with an average relative humidity of 34%.Rainfall
In Roodepoort, in September, during 3.4 rainfall days, 6mm (0.24") of precipitation is typically accumulated. Throughout the year, there are 117.1 rainfall days, and 441mm (17.36") of precipitation is accumulated.Daylight
The average length of the day in September in Roodepoort is 11h and 57min.On the first day of September in Roodepoort, South Africa, sunrise is at 06:20 and sunset at 17:56. On the last day of the month, sunrise is at 05:48 and sunset at 18:08 SAST.
Sunshine
In September, the average sunshine in Roodepoort is 9.7h.UV index
In September, the average daily maximum UV index in Roodepoort is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Roodepoort?
What is the least humid month in Roodepoort?
What is the average humidity in September in Roodepoort?
How many days does it rain in September in Roodepoort?
How many hours of daylight does Roodepoort have in September?
When is the sunrise / sunset in September in Roodepoort?
How many hours of sunshine does Roodepoort have in September?
What is the UV index reading in September in Roodepoort?
Average temperature in September
Roodepoort, 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
Roodepoort, 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
Roodepoort, 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
Roodepoort, 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
Roodepoort, 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
Roodepoort, 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
Roodepoort, 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
Roodepoort, 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
Roodepoort, 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
Roodepoort, 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
Roodepoort, 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).
Roodepoort, South Africa
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