September weather forecastOkahao, Namibia

September

Weather in September

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

Temperature

September's arrival brings a slight change in high-temperatures, adjusting from a hot 30.8°C (87.4°F) in August to a still tropical 34.6°C (94.3°F). In Okahao, the nighttime chill during September is a clear shift from the day's highs, with an average of 17.2°C (63°F).

Humidity

September is the least humid month, 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. Throughout the year, there are 100.8 rainfall days, and 379mm (14.92") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 0min.
On the first day of the month, sunrise is at 07:06 and sunset at 18:52. On the last day of September, sunrise is at 06:42 and sunset at 18:57 CAT.

Sunshine

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

UV index

January, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

The high-temperature, in September, in Okahao, records 34.6°C (94.3°F), while the low-temperature is 17.2°C (63°F). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in April is computed to be 31°C (87.8°F).

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

In Okahao, Namibia, the average relative humidity in September 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.

The average day length in September is 12h and 0min.

On the first day of September, sunrise is at 07:06 and sunset at 18:52. On the last day of the month, sunrise is at 06:42 and sunset at 18:57 CAT.

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

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 reading of 6 to 7 represents a high health risk from exposure to the Sun's 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
Okahao, 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
Okahao, 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
Okahao, 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
Okahao, 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
Okahao, 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
Okahao, 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
Okahao, 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 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
Okahao, 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
Okahao, 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
Okahao, 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
Okahao, 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).