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 and October, with an average high-temperature of 20°C (68°F), are marked as the coldest months.Humidity
The average relative humidity in September is 68%.Rainfall
Months with rainfall in Rooibank are January through May, September through December. September is the first month it rains. Throughout September, in the average 1.1 rainfall days, it receives 1mm (0.04") of precipitation. In Rooibank, during the entire year, the rain falls for 24.7 days and collects up to 42mm (1.65") of precipitation.Daylight
In Rooibank, the average length of the day in September is 11h and 58min.On the first day of the month, sunrise is at 07:11 and sunset at 18:51. On the last day of September, sunrise is at 06:42 and sunset at 19:00 CAT.
Sunshine
The months with the most sunshine are August through December, with an average of 9.9h of sunshine.UV index
The months with the lowest UV index are May through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Rooibank?
What is the average September temperature?
What is the average humidity in September?
When does it start to rain in Rooibank?
How many hours of daylight does Rooibank have in September?
When are sunrise and sunset in September?
What are the months with the most sunshine in Rooibank?
How long on average sun shines in September?
When is the lowest UV index?
What is the UV index reading in September?
Average temperature in September
Rooibank, Namibia
- Average high temperature in September: 20°C
The warmest month (with the highest average high temperature) is April (23.5°C).
The months with the lowest average high temperature are September and October (20°C).
- Average low temperature in September: 14°C
The month with the highest average low temperature is March (19.3°C).
The coldest months (with the lowest average low temperature) are August and September (14°C).
Average pressure in September
Rooibank, Namibia
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is July (1018.2mbar).
The month with the lowest atmospheric pressure is February (1011.2mbar).
Average wind speed in September
Rooibank, Namibia
- Average wind speed in September: 16.9km/h
The windiest month (with the highest average wind speed) is October (17.7km/h).
The calmest month (with the lowest average wind speed) is January (14.3km/h).
Average humidity in September
Rooibank, Namibia
- Average humidity in September: 68%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is July (54%).
Average rainfall in September
Rooibank, Namibia
- Average rainfall in September: 1mm
The wettest months (with the highest rainfall) are February and March (10mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in September
Rooibank, Namibia
- Average rainfall days in September: 1.1 days
The month with the highest number of rainy days is March (5.7 days).
The month with the least rainy days is August (0.2 days).
Average daylight in September /
Average sunshine in September
Rooibank, Namibia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in September: 9h and 5min
The months with the most sunshine are August, September, October, November and December (Average sunshine: 9h and 54min).
The month with the least sunshine is April (Average sunshine: 9h and 36min).
Average sunshine days in September
Rooibank, Namibia
- Average sunshine days in September: 28.6 days
The months with the most sunshine days are July and August (30.5 days).
The month with the least sunshine days is February (22.6 days).
Average UV index in September
Rooibank, Namibia
- Average UV index in September: 5
The months with the highest UV index are January, February, March and April (UV index 6).
The months with the lowest UV index are May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in September
Rooibank, Namibia
- Average cloud cover in September: 7
The months with the most cloud cover are January and February (Cloud cover 17).
The months with the least cloud cover are May, June and July (Cloud cover 3).
Average visibility in September
Rooibank, Namibia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
