September weather forecastOkanyanona, Namibia

September

Weather in September

September, the first month of the spring in Okanyanona, is also a hot month, with an average temperature ranging between max 34.8°C (94.6°F) and min 17.6°C (63.7°F).

Temperature

September's arrival signals a modest temperature shift, moving from a tropical 30.8°C (87.4°F) in August to a still hot 34.8°C (94.6°F). Despite the drastic temperature difference, Okanyanona records an average nighttime low of 17.6°C (63.7°F) throughout September.

Humidity

The least humid month is September, with an average relative humidity of 17%.

Rainfall

May through September are months without rainfall in Okanyanona.

Daylight

The average length of the day in September is 12h and 0min.
On the first day of the month, sunrise is at 06:56 and sunset at 18:43. On the last day of September, sunrise is at 06:32 and sunset at 18:47 CAT.

Sunshine

August and September, with an average of 10h of sunshine, are months with the most 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 threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 7 during September, leads to the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Updated: Aug 11, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During September, Okanyanona experiences an average high-temperature of 34.8°C (94.6°F) and a low-temperature of 17.6°C (63.7°F). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in April is computed to be 31°C (87.8°F).

September is the least humid month, with an average relative humidity of 17%.

In Okanyanona, the average relative humidity in September is 17%.

In Okanyanona, rain does not fall in May through September.

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

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

On the first day of September, sunrise is at 06:56 and sunset at 18:43. On the last day of the month, sunrise is at 06:32 and sunset at 18:47 CAT.

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

In Okanyanona, 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 in Okanyanona.

In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

30.8°C

34.8°C

35.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.6km/h

13.7km/h

14km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

29.5

24.3

Average UV index

Average cloud cover

12%

Average visibility

10km

Average temperature in September
Okanyanona, Namibia

Average high temperature in September: 34.8°C

The warmest month (with the highest average high temperature) is October (35.8°C).
The month with the lowest average high temperature is June (26.7°C).

Average low temperature in September: 17.6°C

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

Average pressure in September
Okanyanona, Namibia

Average pressure in September: 1012.7mbar

The month with the highest atmospheric pressure is July (1018.7mbar).
The months with the lowest atmospheric pressure are January and December (1009.4mbar).

Average wind speed in September
Okanyanona, Namibia

Average wind speed in September: 12.9km/h

The windiest month (with the highest average wind speed) is July (13.4km/h).
The calmest month (with the lowest average wind speed) is February (9.6km/h).

Average humidity in September
Okanyanona, Namibia

Average humidity in September: 17%

The month with the highest relative humidity is March (55%).
The month with the lowest relative humidity is September (17%).

Average rainfall in September
Okanyanona, Namibia

Average rainfall in September: 0mm

The wettest month (with the highest rainfall) is January (62mm).
The driest months (with the least rainfall) are May, June, July, August and September (0mm).

Average rainfall days in September
Okanyanona, Namibia

Average rainfall days in September: 0.5 days

The month with the highest number of rainy days is March (17.5 days).
The months with the least rainy days are July and August (0 days).

Average daylight in September /
Average sunshine in September
Okanyanona, 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: 8h and 54min).

Average sunshine days in September
Okanyanona, Namibia

Average sunshine days in September: 29.5 days

The months with the most sunshine days are July and August (31 days).
The month with the least sunshine days is February (11.2 days).

Average UV index in September
Okanyanona, 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
Okanyanona, Namibia

Average cloud cover in September: 4

The months with the most cloud cover are January, February and March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 1).

Average visibility in September
Okanyanona, 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).