September weather forecastOkahwa, Namibia

September

Weather in September

September, the first month of the spring in Okahwa, is still a tropical month, with an average temperature ranging between max 34.6°C (94.3°F) and min 17.2°C (63°F).

Temperature

Okahwa perceives a slight temperature ascent during September, with average high-temperatures adjusting from a tropical 30.8°C (87.4°F) in August to a still hot 34.6°C (94.3°F). Okahwa anticipates a pronounced temperature drop from daily highs during the nights of September, with an average low of 17.2°C (63°F).

Humidity

The least humid month is September, with an average relative humidity of 18%.

Rainfall

Months with rainfall are January through April, September through December. September is the first month it rains. Throughout September, in the average 0.9 rainfall days, it receives 1mm (0.04") of precipitation. In Okahwa, during the entire year, the rain falls for 100.8 days and collects up to 379mm (14.92") of precipitation.

Daylight

The average length of the day in September is 12h and 0min.
On the first day of September, sunrise is at 07:11 and sunset at 18:56. On the last day of the month, sunrise is at 06:46 and sunset at 19:02 CAT.

Sunshine

August and September, with an average of 10h of sunshine, are months with the most sunshine in Okahwa.

UV index

The months with the highest UV index are January, September through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 7 in September suggests the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

In Okahwa, 34.6°C (94.3°F) is the average high-temperature and 17.2°C (63°F) is the average low-temperature during September. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in April is appraised at 31°C (87.8°F).

The least humid month is September, with an average relative humidity of 18%.

In September, the average relative humidity is 18%.

September is the first month it rains. Throughout September, in the average 0.9 rainfall days, it receives 1mm (0.04") of precipitation.

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

On the first day of September, sunrise is at 07:11 and sunset at 18:56. On the last day of the month, sunrise is at 06:46 and sunset at 19:02 CAT.

The months with the most sunshine are August and September, with an average of 10h of sunshine.

In Okahwa, the average sunshine duration in September is 10h.

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

The average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Okahwa, Namibia

  • Average high temperature in September: 34.6°C

The warmest month (with the highest average high temperature) is October (35.7°C).
The month with the lowest average high temperature is June (26.7°C).

  • Average low temperature in September: 17.2°C

The month with the highest average low temperature is November (23.3°C).
The coldest month (with the lowest average low temperature) is July (11.3°C).

Average pressure in September
Okahwa, Namibia

  • Average pressure in September: 1012.7mbar

The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is December (1009.5mbar).

Average wind speed in September
Okahwa, Namibia

  • Average wind speed in September: 12.6km/h

The windiest month (with the highest average wind speed) is July (13.1km/h).
The calmest month (with the lowest average wind speed) is February (9.4km/h).

Average humidity in September
Okahwa, Namibia

  • Average humidity in September: 18%

The month with the highest relative humidity is March (55%).
The month with the lowest relative humidity is September (18%).

Average rainfall in September
Okahwa, Namibia

  • Average rainfall in September: 1mm

The wettest month (with the highest rainfall) is January (83mm).
The driest months (with the least rainfall) are May, June, July and August (0mm).

Average rainfall days in September
Okahwa, Namibia

  • Average rainfall days in September: 0.9 days

The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is July (0 days).

Average daylight in September /
Average sunshine in September
Okahwa, 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 0min).

  • Average sunshine in September: 10h and 0min

The months with the most sunshine are August and September (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 9h and 12min).

Average sunshine days in September
Okahwa, Namibia

  • Average sunshine days in September: 28.6 days

The month with the most sunshine days is July (31 days).
The month with the least sunshine days is March (10 days).

Average UV index in September
Okahwa, Namibia

  • Average UV index in September: 7

The months with the highest UV index are January, September, October, November and December (UV index 7).
The months with the lowest UV index are June and July (UV index 5).

Average cloud cover in September
Okahwa, Namibia

  • Average cloud cover in September: 4

The month with the most cloud cover is March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 1).

Average visibility in September
Okahwa, 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).