September weather forecast
Klein Windhoek, Namibia

September

Weather in September

September, the first month of the spring in Klein Windhoek, is still a warm month, with an average temperature ranging between min 12.7°C (54.9°F) and max 27.3°C (81.1°F).

Temperature

September showcases a minor temperature ascent, adjusting from August's warm 23.6°C (74.5°F) to a still moderately hot 27.3°C (81.1°F). Klein Windhoek logs a notable disparity from the daily highs during September, as the nighttime temperature lowers to an average of 12.7°C (54.9°F).

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. Throughout the year, in Klein Windhoek, there are 80.2 rainfall days, and 304mm (11.97") 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 07:01 and sunset at 18:41. On the last day of September, in Klein Windhoek, sunrise is at 06:32 and sunset at 18:50 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 of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in September transforms into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

What is the usual temperature for Klein Windhoek in September?
An average high-temperature, in September, in Klein Windhoek, is 27.3°C (81.1°F) and the average low-temperature is 12.7°C (54.9°F). In February, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 28°C (82.4°F).
What are the least humid months?
The months with the lowest humidity are September and October, with an average relative humidity of 19%.
What is the average humidity in September?
The average relative humidity in September is 19%.
When does it start raining?
September is the first month it rains. Throughout September, in the average 1.6 rainfall days, it receives 2mm (0.08") of precipitation.
How many hours of daylight does Klein Windhoek have in September?
The average day length in September is 11h and 58min.
What time are sunrise and sunset in September in Klein Windhoek?
On the first day of September, sunrise is at 07:01 and sunset at 18:41. On the last day of the month, sunrise is at 06:32 and sunset at 18:50 CAT.
How long on average sun shines in September?
In September, the average sunshine duration is 9.9h.
What is the UV index reading in September?
In September, the average daily maximum UV index in Klein Windhoek is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Klein Windhoek, Namibia
Average temperature in September
Klein Windhoek, 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 - Klein Windhoek, Namibia
Average pressure in September
Klein Windhoek, 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 - Klein Windhoek, Namibia
Average wind speed in September
Klein Windhoek, 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 - Klein Windhoek, Namibia
Average humidity in September
Klein Windhoek, 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 - Klein Windhoek, Namibia
Average rainfall in September
Klein Windhoek, 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 - Klein Windhoek, Namibia
Average rainfall days in September
Klein Windhoek, 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 - Klein Windhoek, Namibia
Average daylight in September /
Average sunshine in September
Klein Windhoek, 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 5min

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 - Klein Windhoek, Namibia
Average sunshine days in September
Klein Windhoek, 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 - Klein Windhoek, Namibia
Average UV index in September
Klein Windhoek, 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 - Klein Windhoek, Namibia
Average cloud cover in September
Klein Windhoek, 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 - Klein Windhoek, Namibia
Average visibility in September
Klein Windhoek, 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).

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