September weather forecast
Rundu, Namibia

englishespañol中文
Share

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.

Frequently asked questions

How hot is it in September?

The high-temperature during September is 34.3°C (93.7°F) and the low-temperature is 16°C (60.8°F). In May, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 27°C (80.6°F).

What is the least humid month?

With an average relative humidity of 19%, September is the least humid month.

What is the average humidity in September?

The average relative humidity in September is 19%.

What is the driest month?

June through September are months without rainfall.

Does it rain in September?

In Rundu, in September, it doesn't rain. In October, it rains.

What is the average length of the day in September?

In September, the average day length is 12h and 0min.

What time are sunrise and sunset in September in Rundu?

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.

How many hours of sunshine does Rundu have in September?

In September, the average sunshine duration is 10h.

What are the months with the highest UV index in Rundu?

September, October and December, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in September?

In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Rundu, Namibia

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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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).

Rundu, Namibia

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location