September weather forecastRundu, Namibia
September
Weather in September
In September, Rundu witnesses the first signs of change in the weather pattern, with temperatures reaching a peak of 34.3°C (93.7°F) and wind speed accelerating to 11.1km/h (6.9mph). This shift towards higher temperatures signals the onset of a warmer climate. Despite the rising temperatures, the rainfall remains absent, and the city continues to display its typically arid climate. An exceptional increase in daylight hours from its predecessor month marks September distinctively among the arid months.Temperature
The transition from August to September brings a subtle temperature rise, with average high-temperatures increasing from a hot 30.1°C (86.2°F) to a still tropical 34.3°C (93.7°F). Marked by a significant temperature drop from daytime highs, the average nighttime temperature lowers to an enjoyable 16°C (60.8°F) throughout September.Humidity
The least humid month is September, with an average relative humidity of 19%.Rainfall
June through September are months without rainfall.Daylight
In September, the average length of the day is 12h and 0min.On the first day of September, sunrise is at 06:47 and sunset at 18:34. On the last day of the month, sunrise is at 06:23 and sunset at 18:38 CAT.
Sunshine
In Rundu, the average sunshine in September is 10h.UV index
The months with the highest UV index are September, October and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 7 in September translates into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rundu, Namibia
- Average high temperature in September: 34.3°C
The warmest month (with the highest average high temperature) is October (36.3°C).
The month with the lowest average high temperature is June (25.4°C).
- Average low temperature in September: 16°C
The month with the highest average low temperature is November (21.8°C).
The coldest month (with the lowest average low temperature) is July (9.7°C).
Average pressure in September
Rundu, Namibia
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is July (1020mbar).
The month with the lowest atmospheric pressure is January (1009.3mbar).
Average wind speed in September
Rundu, Namibia
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is September (11.1km/h).
The calmest month (with the lowest average wind speed) is December (8.2km/h).
Average humidity in September
Rundu, Namibia
- Average humidity in September: 19%
The month with the highest relative humidity is February (65%).
The month with the lowest relative humidity is September (19%).
Average rainfall in September
Rundu, Namibia
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is January (74mm).
The driest months (with the least rainfall) are June, July, August and September (0mm).
Average rainfall days in September
Rundu, Namibia
- Average rainfall days in September: 0.6 days
The month with the highest number of rainy days is December (18.6 days).
The month with the least rainy days is August (0 days).
Average daylight in September /
Average sunshine in September
Rundu, Namibia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is November (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 9h and 0min).
Average sunshine days in September
Rundu, Namibia
- Average sunshine days in September: 28.9 days
The months with the most sunshine days are July and August (31 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in September
Rundu, Namibia
- Average UV index in September: 7
The months with the highest UV index are September, October and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 5).
Average cloud cover in September
Rundu, Namibia
- Average cloud cover in September: 3
The month with the most cloud cover is January (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 1).
Average visibility in September
Rundu, Namibia
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February and March (9km).





