September weather forecast
Sun City, South Africa

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The Palace in Lost City, Sun City, South Africa, with a large water fountain in the front yard
The Palace in Lost City, Sun City, South Africa, with a large water fountain in the front yard

Weather in September

As spring comes into full view in September, Sun City experiences further warmth with temperatures scaling up to 27°C (80.6°F). An increase in rainfall volume becomes evident, signaling the advent of a slightly wetter season. The start of longer daylight hours becomes more pronounced, enhancing the overall brightness experienced throughout the city. The clear and sunny weather of September lends a vibrant touch to Sun City’s various outdoor attractions.

Temperature

September's arrival is noted with a slight increase in the average high-temperature, moving from a pleasant 22.7°C (72.9°F) in August to a warm 27°C (80.6°F). Sun City sees a major change from daytime highs, with the nighttime temperature dipping to a fresh 12.4°C (54.3°F) on average during September.

Humidity

The least humid month in Sun City, South Africa, is September, with an average relative humidity of 32%.

Rainfall

In Sun City, in September, during 3.2 rainfall days, 4mm (0.16") of precipitation is typically accumulated. In Sun City, during the entire year, the rain falls for 118.3 days and collects up to 411mm (16.18") of precipitation.

Daylight

In September, the average length of the day in Sun City is 11h and 57min.
On the first day of September, sunrise is at 06:22 and sunset at 17:59. On the last day of the month, sunrise is at 05:51 and sunset at 18:11 SAST.

Sunshine

The average sunshine in September in Sun City is 10h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 5 during September leads to these instructions:
Take precautions - Protection against sunburn is recommended. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

What is the temperature in September in Sun City?

During September, Sun City experiences an average high-temperature of 27°C (80.6°F) and a low-temperature of 12.4°C (54.3°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in March is calculated to be 29°C (84.2°F).

What is the least humid month in Sun City?

September is the least humid month in Sun City, South Africa, with an average relative humidity of 32%.

What is the average humidity in September in Sun City?

The average relative humidity in September in Sun City is 32%.

How many days does it rain in September in Sun City?

In September, the rain falls for 3.2 days. Throughout September, 4mm (0.16") of precipitation is accumulated.

How many hours of daylight does Sun City have in September?

In Sun City, South Africa, the average day length in September is 11h and 57min.

When are sunrise and sunset in September in Sun City?

On the first day of September in Sun City, sunrise is at 06:22 and sunset at 17:59. On the last day of the month, sunrise is at 05:51 and sunset at 18:11 SAST.

How long on average sun shines in September in Sun City?

The average sunshine duration in September is 10h.

What is the UV index reading in September in Sun City?

The average daily maximum UV index in September in Sun City is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.

Average temperature in September
Sun City, South Africa

Average temperature in September - Sun City, South Africa
  • Average high temperature in September: 27°C

The warmest month (with the highest average high temperature) is January (29.3°C).
The month with the lowest average high temperature is July (18.9°C).

  • Average low temperature in September: 12.4°C

The months with the highest average low temperature are January and December (18°C).
The coldest month (with the lowest average low temperature) is July (6.3°C).

Average pressure in September
Sun City, South Africa

Average pressure in September - Sun City, South Africa
  • Average pressure in September: 1018mbar

The month with the highest atmospheric pressure is July (1024.4mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).

Average wind speed in September
Sun City, South Africa

Average wind speed in September - Sun City, South Africa
  • Average wind speed in September: 10.1km/h

The windiest month (with the highest average wind speed) is October (10.6km/h).
The calmest months (with the lowest average wind speed) are March and May (7km/h).

Average humidity in September
Sun City, South Africa

Average humidity in September - Sun City, South Africa
  • Average humidity in September: 32%

The month with the highest relative humidity is February (61%).
The month with the lowest relative humidity is September (32%).

Average rainfall in September
Sun City, South Africa

Average rainfall in September - Sun City, South Africa
  • Average rainfall in September: 4mm

The wettest month (with the highest rainfall) is December (95mm).
The driest months (with the least rainfall) are July and August (1mm).

Average rainfall days in September
Sun City, South Africa

Average rainfall days in September - Sun City, South Africa
  • Average rainfall days in September: 3.2 days

The month with the highest number of rainy days is January (20.7 days).
The month with the least rainy days is August (1 days).

Average daylight in September /
Average sunshine in September
Sun City, South Africa

Average daylight in September / Average sunshine in September - Sun City, 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: 10h and 0min

The month with the most sunshine is October (Average sunshine: 11h and 54min).
The months with the least sunshine are June and August (Average sunshine: 7h and 30min).

Average sunshine days in September
Sun City, South Africa

Average sunshine days in September - Sun City, South Africa
  • Average sunshine days in September: 25.4 days

The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is January (6.6 days).

Average UV index in September
Sun City, South Africa

Average UV index in September - Sun City, South Africa
  • Average UV index in September: 5

The months with the highest UV index are January, February, March, 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
Sun City, South Africa

Average cloud cover in September - Sun City, South Africa
  • Average cloud cover in September: 7

The months with the most cloud cover are January and December (Cloud cover 24).
The months with the least cloud cover are July and August (Cloud cover 5).

Average visibility in September
Sun City, South Africa

Average visibility in September - Sun City, 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).

Sun City, South Africa

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