September weather forecastArandis, Namibia
September
Weather in September
With the arrival of September, Arandis sees a minor lift in temperatures to 20°C (68°F), signifying the end of winter and the arrival of warmer months. There is a slight increase in rainfall to 1mm (0.04"), the first instance of rain since May. Also, an incremental rise in humidity and cloud cover can be observed. However, the increased cloudiness does not compromise the extensive sunlight, offering about 12 hours per day. The winds return with slightly stronger gusts, bringing September's weather to a warm and modestly humid spectrum.Temperature
During September and October, Arandis experiences its coldest period, with an average high-temperature of 20°C (68°F).Humidity
The average relative humidity in September in Arandis is 68%.Rainfall
January through May, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 1.1 rainfall days, it receives 1mm (0.04") of precipitation. Throughout the year, there are 24.7 rainfall days, and 42mm (1.65") of precipitation is accumulated.Daylight
The average length of the day in September is 11h and 58min.On the first day of the month, sunrise is at 07:09 and sunset at 18:50. On the last day of September, in Arandis, sunrise is at 06:41 and sunset at 18:58 CAT.
Sunshine
August through December, with an average of 9.9h of sunshine, are months with the most 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 value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arandis, 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
Arandis, 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
Arandis, 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
Arandis, 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
Arandis, 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
Arandis, 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
Arandis, 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 48min).
- Average sunshine in September: 9h and 54min
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
Arandis, 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
Arandis, 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
Arandis, 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
Arandis, 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).
