September weather forecast
Siteki, Swaziland

englishespañol中文
Share

Weather in September

September in Siteki brings a noticeable rise in temperatures compared to August. Rainfall begins a steep increase, marking a transition into wetter conditions. The extended daylight and sunshine hours enhance the city's charm. Winds pick up intensity, and the barometric pressure tends to drop. Key characteristics for September include a high temperature of 25.9°C (78.6°F) and 18mm (0.71") of rainfall.

Temperature

The arrival of September records an average high-temperature of a still moderately hot 25.9°C (78.6°F), closely related to the 23.8°C (74.8°F) observed in August. Despite drastic daytime highs, Siteki logs an average low-temperature reading of 13.6°C (56.5°F) throughout September.

Humidity

In September, the average relative humidity in Siteki is 59%.

Rainfall

In Siteki, in September, it is raining for 8.7 days, with typically 18mm (0.71") of accumulated precipitation. Throughout the year, in Siteki, Swaziland, there are 156.8 rainfall days, and 549mm (21.61") of precipitation is accumulated.

Daylight

The average length of the day in September is 11h and 57min.
On the first day of the month, sunrise is at 06:04 and sunset at 17:39. On the last day of September, in Siteki, sunrise is at 05:32 and sunset at 17:51 SAST.

Sunshine

The average sunshine in September in Siteki is 7.9h.

UV index

The months with the lowest UV index are April through October, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, an average UV index of 5 transforms into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Feb 15, 2024 | Published by: Weather Atlas | About Us

Frequently asked questions

What is the usual temperature for Siteki in September?

The average high-temperature, in September, in Siteki, is 25.9°C (78.6°F), while the average low-temperature is 13.6°C (56.5°F). In February, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 31°C (87.8°F).

What is the average humidity in September in Siteki?

The average relative humidity in September in Siteki, Swaziland, is 59%.

How much does it rain in Siteki in September?

In Siteki, Swaziland, during September, the rain falls for 8.7 days and regularly aggregates up to 18mm (0.71") of precipitation.

What is the average length of the day in September in Siteki?

The average day length in September is 11h and 57min.

What time are sunrise and sunset in September in Siteki?

On the first day of September in Siteki, Swaziland, sunrise is at 06:04 and sunset at 17:39. On the last day of the month, sunrise is at 05:32 and sunset at 17:51 SAST.

How many hours of sunshine does Siteki have in September?

In Siteki, the average sunshine duration in September is 7.9h.

When is the lowest UV index in Siteki?

April through October, with an average maximum UV index of 5, are months with the lowest UV index in Siteki.

How high is the UV index in September in Siteki?

The average daily maximum UV index in September in Siteki, Swaziland, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Siteki, Swaziland

Average temperature in September - Siteki, 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
Siteki, Swaziland

Average pressure in September - Siteki, 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
Siteki, Swaziland

Average wind speed in September - Siteki, 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
Siteki, Swaziland

Average humidity in September - Siteki, 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
Siteki, Swaziland

Average rainfall in September - Siteki, 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
Siteki, Swaziland

Average rainfall days in September - Siteki, 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
Siteki, Swaziland

Average daylight in September / Average sunshine in September - Siteki, 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
Siteki, Swaziland

Average sunshine days in September - Siteki, 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
Siteki, Swaziland

Average UV index in September - Siteki, 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
Siteki, Swaziland

Average cloud cover in September - Siteki, 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
Siteki, Swaziland

Average visibility in September - Siteki, 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).

Siteki, Swaziland

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location