September weather forecastSiteki, Swaziland
September
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
At the start of September, Siteki's average high-temperature reaches a still moderately hot 25.9°C (78.6°F), subtly different from the preceding month. Siteki sees a large disparity in day to night temperatures in September, with the night temperature dropping to an average of 13.6°C (56.5°F).Humidity
In Siteki, the average relative humidity in September is 59%.Rainfall
In Siteki, during September, the rain falls for 8.7 days and regularly aggregates up to 18mm (0.71") of precipitation. Throughout the year, 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 September, 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.
Sunshine
In Siteki, the average sunshine in September 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 reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 5 turns into the following recommendations:
Take precautions - Protection against sun damage is advised. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 11h and 54min
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 54min
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: 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: 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: 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: 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).
