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 onset of September brings an average high-temperature of a moderately hot 25°C (77°F), nearly matching the August temperature. Sicunusa, amidst the high September temperatures, experiences a substantial shift to an average nighttime low of 11.1°C (52°F).Humidity
In September, the average relative humidity is 57%.Rainfall
In Sicunusa, in September, during 6.7 rainfall days, 11mm (0.43") of precipitation is typically accumulated. Throughout the year, there are 145.6 rainfall days, and 538mm (21.18") of precipitation is accumulated.Daylight
In September, the average length of the day is 11h and 56min.On the first day of the month, sunrise is at 06:08 and sunset at 17:43. On the last day of September, sunrise is at 05:35 and sunset at 17:56 SAST.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Sicunusa, Swaziland, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sicunusa in September?
What is the average humidity in September?
How much does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Sicunusa have in September?
How high is the UV index in September?
Average temperature in September
Sicunusa, Swaziland
- Average high temperature in September: 25°C
The warmest month (with the highest average high temperature) is December (26.3°C).
The month with the lowest average high temperature is July (19.4°C).
- Average low temperature in September: 11.1°C
The months with the highest average low temperature are January and December (15.2°C).
The coldest month (with the lowest average low temperature) is July (5.6°C).
Average pressure in September
Sicunusa, Swaziland
- Average pressure in September: 1019.3mbar
The month with the highest atmospheric pressure is July (1024.3mbar).
The months with the lowest atmospheric pressure are January and December (1014.4mbar).
Average wind speed in September
Sicunusa, Swaziland
- Average wind speed in September: 9.4km/h
The windiest months (with the highest average wind speed) are June and September (9.4km/h).
The calmest month (with the lowest average wind speed) is March (6.7km/h).
Average humidity in September
Sicunusa, Swaziland
- Average humidity in September: 57%
The months with the highest relative humidity are January, February and March (82%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Sicunusa, Swaziland
- Average rainfall in September: 11mm
The wettest month (with the highest rainfall) is January (105mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in September
Sicunusa, Swaziland
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is January (23 days).
The month with the least rainy days is June (2.6 days).
Average daylight in September /
Average sunshine in September
Sicunusa, 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: 8h and 1min
The month with the most sunshine is October (Average sunshine: 9h and 30min).
The month with the least sunshine is April (Average sunshine: 6h and 36min).
Average sunshine days in September
Sicunusa, Swaziland
- Average sunshine days in September: 21.4 days
The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is January (5 days).
Average UV index in September
Sicunusa, Swaziland
- Average UV index in September: 5
The month with the highest UV index is November (UV index 6).
The months with the lowest UV index are April, May, June and July (UV index 4).
Average cloud cover in September
Sicunusa, Swaziland
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are June and July (Cloud cover 14).
Average visibility in September
Sicunusa, Swaziland
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March and December (7km).
Sicunusa, Swaziland
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