September weather forecast
Sidvokodvo, Swaziland

September

Weather in September

September in Sidvokodvo greets the return of spring season. Gradual warming is felt, and a rise in cloud coverage and rainfall is observed. A greater frequency of warm days tied with a modest increase in temperature confirms the onset of the new season. An extended daily duration of daylight, which measures up to 11.9 hours, adds more time for outdoor activities. Despite the shift in weather, wind speed slightly increases, ensuring a refreshing breeze to keep daytime warmth in balance.

Temperature

The transition into September marks the average high-temperature at a still warm 25.9°C (78.6°F), differing minimally from August's 23.8°C (74.8°F). Sidvokodvo experiences a consistent, yet significant, drop from daily highs to a low-temperature of 13.6°C (56.5°F) throughout September.

Humidity

In September, the average relative humidity is 59%.

Rainfall

In September, the rain falls for 8.7 days. Throughout September, 18mm (0.71") of precipitation is accumulated. In Sidvokodvo, during the entire year, the rain falls for 156.8 days and collects up to 549mm (21.61") of precipitation.

Daylight

In September, the average length of the day is 11h and 56min.
On the first day of September, sunrise is at 06:06 and sunset at 17:41. On the last day of the month, sunrise is at 05:34 and sunset at 17:54 SAST.

Sunshine

In Sidvokodvo, the average sunshine in September is 7.9h.

UV index

April through October, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

What are the temperatures in September?
In September, the average high-temperature and low-temperature are 25.9°C (78.6°F) and 13.6°C (56.5°F) respectively. In February, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 31°C (87.8°F).
What is the average humidity in September in Sidvokodvo?
The average relative humidity in September in Sidvokodvo is 59%.
How many days does it rain in September?
In Sidvokodvo, in September, it is raining for 8.7 days, with typically 18mm (0.71") of accumulated precipitation.
How many hours of daylight does Sidvokodvo have in September?
The average day length in September is 11h and 56min.
When is the sunrise / sunset in September?
In September, on the first day of the month, sunrise is at 06:06 and sunset at 17:41. On the last day of the month, sunrise is at 05:34 and sunset at 17:54 SAST.
How many hours of sunshine does Sidvokodvo have in September?
In September, the average sunshine duration is 7.9h.
What is the month with the lowest UV index in Sidvokodvo?
The months with the lowest UV index in Sidvokodvo are April through October, with an average maximum UV index of 5.
What is the UV index reading in September?
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Sidvokodvo, Swaziland
  • Average high temperature in September: 25.9°C

The warmest month (with the highest average high temperature) is December (27.5°C).
The month with the lowest average high temperature is July (21.4°C).

  • Average low temperature in September: 13.6°C

The month with the highest average low temperature is December (17.5°C).
The coldest month (with the lowest average low temperature) is July (9.3°C).

Average pressure in September
Sidvokodvo, Swaziland
  • Average pressure in September: 1019.2mbar

The month with the highest atmospheric pressure is July (1024.1mbar).
The month with the lowest atmospheric pressure is January (1014mbar).

Average wind speed in September
Sidvokodvo, Swaziland
  • Average wind speed in September: 8.2km/h

The windiest month (with the highest average wind speed) is September (8.2km/h).
The calmest month (with the lowest average wind speed) is March (6.1km/h).

Average humidity in September
Sidvokodvo, Swaziland
  • Average humidity in September: 59%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (57%).

Average rainfall in September
Sidvokodvo, Swaziland
  • Average rainfall in September: 18mm

The wettest month (with the highest rainfall) is December (110mm).
The driest month (with the least rainfall) is July (4mm).

Average rainfall days in September
Sidvokodvo, Swaziland
  • Average rainfall days in September: 8.7 days

The month with the highest number of rainy days is December (22.7 days).
The month with the least rainy days is June (3.6 days).

Average daylight in September /
Average sunshine in September
Sidvokodvo, Swaziland
  • 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: 7h and 5min

The month with the most sunshine is November (Average sunshine: 9h and 0min).
The month with the least sunshine is April (Average sunshine: 6h and 24min).

Average sunshine days in September
Sidvokodvo, Swaziland
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is June (25.4 days).
The month with the least sunshine days is December (5.3 days).

Average UV index in September
Sidvokodvo, Swaziland
  • Average UV index in September: 5

The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 5).

Average cloud cover in September
Sidvokodvo, Swaziland
  • Average cloud cover in September: 28

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 14).

Average visibility in September
Sidvokodvo, Swaziland
  • Average visibility in September: 9km

The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and March (7km).

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