September weather forecastDonkersan, Namibia
September
Weather in September
September, the first month of the spring in Donkersan, is also a moderately hot month, with an average temperature varying between 12.7°C (54.9°F) and 27.3°C (81.1°F).Temperature
Donkersan in September observes a minor temperature shift, with average high-temperatures adjusting from 23.6°C (74.5°F) in August to a still moderately hot 27.3°C (81.1°F). Donkersan reports a significant contrast between daytime and nighttime temperatures, with an average low of 12.7°C (54.9°F) in September.Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 19%.Rainfall
January through May, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 1.6 rainfall days, it receives 2mm (0.08") of precipitation. In Donkersan, during the entire year, the rain falls for 80.2 days and collects up to 304mm (11.97") of precipitation.Daylight
In Donkersan, the average length of the day in September is 11h and 58min.On the first day of September, sunrise is at 07:05 and sunset at 18:45. On the last day of the month, sunrise is at 06:36 and sunset at 18:54 CAT.
Sunshine
The average sunshine in September is 9.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 5 in September transforms into this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Donkersan, Namibia
- Average high temperature in September: 27.3°C
The warmest months (with the highest average high temperature) are October and November (29.5°C).
The month with the lowest average high temperature is July (19.8°C).
- Average low temperature in September: 12.7°C
The month with the highest average low temperature is January (18.9°C).
The coldest month (with the lowest average low temperature) is July (6°C).
Average pressure in September
Donkersan, Namibia
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is July (1021.3mbar).
The month with the lowest atmospheric pressure is January (1010.7mbar).
Average wind speed in September
Donkersan, Namibia
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is October (12.6km/h).
The calmest month (with the lowest average wind speed) is March (9.3km/h).
Average humidity in September
Donkersan, Namibia
- Average humidity in September: 19%
The month with the highest relative humidity is March (51%).
The months with the lowest relative humidity are September and October (19%).
Average rainfall in September
Donkersan, Namibia
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is February (102mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in September
Donkersan, Namibia
- Average rainfall days in September: 1.6 days
The month with the highest number of rainy days is February (15.9 days).
The month with the least rainy days is August (0 days).
Average daylight in September /
Average sunshine in September
Donkersan, 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 54min
The month with the most sunshine is November (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 9h and 24min).
Average sunshine days in September
Donkersan, Namibia
- Average sunshine days in September: 27.9 days
The month with the most sunshine days is July (30.7 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in September
Donkersan, Namibia
- Average UV index in September: 5
The months with the highest UV index are January, February, October, November and December (UV index 6).
The months with the lowest UV index are June and July (UV index 4).
Average cloud cover in September
Donkersan, Namibia
- Average cloud cover in September: 6
The month with the most cloud cover is February (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 1).
Average visibility in September
Donkersan, 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).
