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
September
Weather in September
Temperature
September's arrival brings a modest temperature shift, moving from a pleasant 21.3°C (70.3°F) in August to a moderately hot 25.7°C (78.3°F). In the face of high daytime temperatures, Robertsham witnesses a consistent average nighttime low of 11.5°C (52.7°F) during September.Humidity
The least humid month is September, with an average relative humidity of 33%.Rainfall
In Robertsham, South Africa, in September, during 2.5 rainfall days, 5mm (0.2") of precipitation is typically accumulated. In Robertsham, during the entire year, the rain falls for 97.6 days and collects up to 377mm (14.84") of precipitation.Daylight
The average length of the day in September is 11h and 57min.On the first day of September in Robertsham, sunrise is at 06:19 and sunset at 17:55. On the last day of the month, sunrise is at 05:47 and sunset at 18:07 SAST.
Sunshine
In Robertsham, South Africa, the average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index in Robertsham is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Robertsham in September?
What is the least humid month in Robertsham?
What is the average humidity in September in Robertsham?
How much does it rain in Robertsham in September?
What is the average length of the day in September in Robertsham?
When is the sunrise / sunset in September in Robertsham?
How long on average sun shines in September in Robertsham?
How high is the UV index in September in Robertsham?
Average temperature in September
Robertsham, South Africa
- Average high temperature in September: 25.7°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 (17.7°C).
- Average low temperature in September: 11.5°C
The months with the highest average low temperature are January and December (16.3°C).
The coldest month (with the lowest average low temperature) is July (5.9°C).
Average pressure in September
Robertsham, South Africa
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is July (1024.7mbar).
The month with the lowest atmospheric pressure is January (1013.1mbar).
Average wind speed in September
Robertsham, South Africa
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is November (12km/h).
The calmest month (with the lowest average wind speed) is May (7.9km/h).
Average humidity in September
Robertsham, South Africa
- Average humidity in September: 33%
The months with the highest relative humidity are January and February (63%).
The month with the lowest relative humidity is September (33%).
Average rainfall in September
Robertsham, South Africa
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is December (86mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days in September
Robertsham, South Africa
- Average rainfall days in September: 2.5 days
The month with the highest number of rainy days is January (17.8 days).
The months with the least rainy days are July and August (0.8 days).
Average daylight in September /
Average sunshine in September
Robertsham, South Africa
- 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: 9h and 4min
The month with the most sunshine is October (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).
Average sunshine days in September
Robertsham, South Africa
- Average sunshine days in September: 27.1 days
The month with the most sunshine days is July (30.1 days).
The month with the least sunshine days is January (10.8 days).
Average UV index in September
Robertsham, South Africa
- Average UV index in September: 5
The months with the highest UV index are January, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Robertsham, South Africa
- Average cloud cover in September: 8
The month with the most cloud cover is January (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Robertsham, South Africa
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
