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 start of September brings a subtle rise in the average high-temperature, moving from 23.8°C (74.8°F) in August to a still warm 27.8°C (82°F). Throughout September nights, Ga-Rankuwa reports a steady thermal contrast from the day, with an average low-temperature of 13.5°C (56.3°F).Humidity
The least humid month is September, with an average relative humidity of 34%.Rainfall
In Ga-Rankuwa, in September, during 2.4 rainfall days, 6mm (0.24") of precipitation is typically accumulated. In Ga-Rankuwa, during the entire year, the rain falls for 95.5 days and collects up to 331mm (13.03") of precipitation.Daylight
In September, the average length of the day is 11h and 57min.On the first day of the month, sunrise is at 06:19 and sunset at 17:56. On the last day of September, in Ga-Rankuwa, sunrise is at 05:48 and sunset at 18:07 SAST.
Sunshine
The average sunshine in September is 9.5h.UV index
January through March, September through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the temperature in September in Ga-Rankuwa?
What is the least humid month in Ga-Rankuwa?
What is the average humidity in September in Ga-Rankuwa?
How much does it rain in Ga-Rankuwa in September?
What is the average length of the day in September in Ga-Rankuwa?
When is the sunrise / sunset in September in Ga-Rankuwa?
How long on average sun shines in September in Ga-Rankuwa?
When is the highest UV index in Ga-Rankuwa?
What is the UV index intensity in September in Ga-Rankuwa?
Average temperature in September
Ga-Rankuwa, South Africa
- Average high temperature in September: 27.8°C
The warmest month (with the highest average high temperature) is January (30.1°C).
The month with the lowest average high temperature is June (19.8°C).
- Average low temperature in September: 13.5°C
The month with the highest average low temperature is January (19°C).
The coldest month (with the lowest average low temperature) is July (7.3°C).
Average pressure in September
Ga-Rankuwa, South Africa
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is July (1024.5mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in September
Ga-Rankuwa, South Africa
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is October (11.6km/h).
The calmest month (with the lowest average wind speed) is May (7.3km/h).
Average humidity in September
Ga-Rankuwa, South Africa
- Average humidity in September: 34%
The months with the highest relative humidity are January and February (59%).
The month with the lowest relative humidity is September (34%).
Average rainfall in September
Ga-Rankuwa, South Africa
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is January (74mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days in September
Ga-Rankuwa, South Africa
- Average rainfall days in September: 2.4 days
The month with the highest number of rainy days is January (17.8 days).
The months with the least rainy days are July and August (0.8 days).
Average daylight in September /
Average sunshine in September
Ga-Rankuwa, South Africa
- Average daylight in September: 12h and 0min
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 36min).
- Average sunshine in September: 9h and 3min
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 30min).
Average sunshine days in September
Ga-Rankuwa, South Africa
- Average sunshine days in September: 26.4 days
The month with the most sunshine days is July (30.3 days).
The month with the least sunshine days is January (9.9 days).
Average UV index in September
Ga-Rankuwa, South Africa
- Average UV index in September: 6
The months with the highest UV index are January, February, March, September, 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
Ga-Rankuwa, South Africa
- Average cloud cover in September: 8
The month with the most cloud cover is January (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Ga-Rankuwa, South Africa
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Ga-Rankuwa, South Africa
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