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
As Mhlume welcomes September, the average high-temperature stabilizes at a still moderately hot 28.1°C (82.6°F), showing little deviation from August's 26.4°C (79.5°F). Mhlume's nights in September experience an average temperature drop to a comfortable 18.4°C (65.1°F).Heat index
The heat index for September is evaluated at a tropical 30°C (86°F). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
September is the least humid month, with an average relative humidity of 62%.Rainfall
In Mhlume, during September, the rain falls for 8.1 days and regularly aggregates up to 14mm (0.55") of precipitation. In Mhlume, Swaziland, during the entire year, the rain falls for 135.5 days and collects up to 406mm (15.98") of precipitation.Daylight
In Mhlume, 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 17:40. On the last day of the month, sunrise is at 05:32 and sunset at 17:52 SAST.
Sunshine
The average sunshine in September is 7.7h.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 6 during September translates into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Mhlume in September?
What is the least humid month?
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 in Mhlume?
How many hours of sunshine does Mhlume have in September?
How high is the UV index in September?
Average temperature in September
Mhlume, Swaziland
- Average high temperature in September: 28.1°C
The warmest month (with the highest average high temperature) is February (30.7°C).
The month with the lowest average high temperature is July (24.8°C).
- Average low temperature in September: 18.4°C
The month with the highest average low temperature is January (21.7°C).
The coldest month (with the lowest average low temperature) is July (15.1°C).
Average pressure in September
Mhlume, Swaziland
- Average pressure in September: 1019.1mbar
The month with the highest atmospheric pressure is July (1023.6mbar).
The month with the lowest atmospheric pressure is January (1013mbar).
Average wind speed in September
Mhlume, Swaziland
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is September (13.6km/h).
The calmest month (with the lowest average wind speed) is May (10.1km/h).
Average humidity in September
Mhlume, Swaziland
- Average humidity in September: 62%
The months with the highest relative humidity are January and March (77%).
The month with the lowest relative humidity is September (62%).
Average rainfall in September
Mhlume, Swaziland
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is February (71mm).
The driest months (with the least rainfall) are May and July (5mm).
Average rainfall days in September
Mhlume, Swaziland
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is June (3.3 days).
Average daylight in September /
Average sunshine in September
Mhlume, Swaziland
- Average daylight in September: 11h and 5min
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 30min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is February (Average sunshine: 9h and 36min).
The month with the least sunshine is April (Average sunshine: 6h and 18min).
Average sunshine days in September
Mhlume, Swaziland
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is June (24.8 days).
The month with the least sunshine days is December (8.7 days).
Average UV index in September
Mhlume, Swaziland
- Average UV index in September: 6
The months with the highest UV index are January and December (UV index 7).
The months with the lowest UV index are June and July (UV index 5).
Average cloud cover in September
Mhlume, Swaziland
- Average cloud cover in September: 29
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 16).
Average visibility in September
Mhlume, Swaziland
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, October, November and December (9km).
Mhlume, Swaziland
Weather forecast for your location
2. Allow the app to use your location