September weather forecast
Okongowa, Namibia

September

Weather in September

September, the first month of the spring in Okongowa, is also a moderately hot month, with an average temperature fluctuating between 12.6°C (54.7°F) and 29.2°C (84.6°F).

Temperature

Observing a minor shift, the average high-temperature during September adjusts from August's 25.6°C (78.1°F) to a still moderately hot 29.2°C (84.6°F). Despite considerable daily temperature swings, a steady low-temperature average of 12.6°C (54.7°F) is noted throughout September.

Humidity

September is the least humid month in Okongowa, with an average relative humidity of 20%.

Rainfall

Months with rainfall are January through May, September through December. September is the first month it rains. Throughout September, in the average 1.5 rainfall days, it receives 3mm (0.12") of precipitation. In Okongowa, during the entire year, the rain falls for 75.2 days and collects up to 233mm (9.17") of precipitation.

Daylight

In Okongowa, the average length of the day in September is 11h and 58min.
On the first day of the month, sunrise is at 06:51 and sunset at 18:30. On the last day of September, sunrise is at 06:21 and sunset at 18:40 CAT.

Sunshine

In September, the average sunshine is 9.7h.

UV index

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

Is it hot during September?
The average high-temperature and low-temperature during September are 29.2°C (84.6°F) and 12.6°C (54.7°F) respectively. In March, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 29°C (84.2°F).
What is the least humid month?
With an average relative humidity of 20%, September is the least humid month.
What is the average humidity in September?
The average relative humidity in September is 20%.
When does it start to rain?
September is the first month it rains. Throughout September, in the average 1.5 rainfall days, it receives 3mm (0.12") of precipitation.
How many hours of daylight does Okongowa have in September?
The average day length in September is 11h and 58min.
When is the sunrise / sunset in September?
On the first day of September, sunrise is at 06:51 and sunset at 18:30. On the last day of the month, sunrise is at 06:21 and sunset at 18:40 CAT.
How long on average sun shines in September in Okongowa?
In September, the average sunshine duration is 9.7h.
How high is the UV index in September?
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from 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
Okongowa, Namibia
  • Average high temperature in September: 29.2°C

The warmest month (with the highest average high temperature) is November (31.3°C).
The month with the lowest average high temperature is July (21.3°C).

  • Average low temperature in September: 12.6°C

The month with the highest average low temperature is December (21.2°C).
The coldest month (with the lowest average low temperature) is July (7°C).

Average pressure in September
Okongowa, Namibia
  • Average pressure in September: 1016.5mbar

The month with the highest atmospheric pressure is July (1022.4mbar).
The month with the lowest atmospheric pressure is January (1010.3mbar).

Average wind speed in September
Okongowa, Namibia
  • Average wind speed in September: 13.5km/h

The windiest month (with the highest average wind speed) is July (14.4km/h).
The calmest month (with the lowest average wind speed) is March (11.2km/h).

Average humidity in September
Okongowa, Namibia
  • Average humidity in September: 20%

The month with the highest relative humidity is February (49%).
The month with the lowest relative humidity is September (20%).

Average rainfall in September
Okongowa, Namibia
  • Average rainfall in September: 3mm

The wettest month (with the highest rainfall) is February (60mm).
The driest months (with the least rainfall) are June, July and August (0mm).

Average rainfall days in September
Okongowa, Namibia
  • Average rainfall days in September: 1.5 days

The month with the highest number of rainy days is February (14.3 days).
The month with the least rainy days is July (0.2 days).

Average daylight in September /
Average sunshine in September
Okongowa, Namibia
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is November (Average sunshine: 11h and 36min).
The months with the least sunshine are February and October (Average sunshine: 9h and 24min).

Average sunshine days in September
Okongowa, Namibia
  • Average sunshine days in September: 27.8 days

The month with the most sunshine days is July (30.8 days).
The month with the least sunshine days is February (12.1 days).

Average UV index in September
Okongowa, Namibia
  • Average UV index in September: 6

The months with the highest UV index are January, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 4).

Average cloud cover in September
Okongowa, Namibia
  • Average cloud cover in September: 7

The month with the most cloud cover is February (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 2).

Average visibility in September
Okongowa, 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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