September weather forecastOkondjatu, Namibia

September

Weather in September

The first month of the spring, September, is a tropical month in Okondjatu, Namibia, with temperature in the range of an average low of 13.8°C (56.8°F) and an average high of 31°C (87.8°F).

Temperature

As Okondjatu transitions into September, the average high-temperature is observed to slightly rise from a moderately hot 27.1°C (80.8°F) in August to a hot 31°C (87.8°F). A sharp contrast between day and night is prevalent in September with an average nighttime temperature of 13.8°C (56.8°F).

Humidity

The least humid month is September, 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 1.2 rainfall days, it receives 2mm (0.08") of precipitation. Throughout the year, there are 120.9 rainfall days, and 607mm (23.9") of precipitation is accumulated.

Daylight

In Okondjatu, the average length of the day in September is 11h and 59min.
On the first day of September, sunrise is at 06:55 and sunset at 18:38. On the last day of the month, sunrise is at 06:28 and sunset at 18:45 CAT.

Sunshine

In Okondjatu, the average sunshine in September is 9.9h.

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, an average UV index of 6 transforms into the following instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

In September, in Okondjatu, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 13.8°C (56.8°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in March is computed to be 29°C (84.2°F).

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

The average relative humidity in September is 20%.

September is the first month it rains. Throughout September, in the average 1.2 rainfall days, it receives 2mm (0.08") of precipitation.

In Okondjatu, the average day length in September is 11h and 59min.

In September, on the first day of the month, sunrise is at 06:55 and sunset at 18:38. On the last day of the month, sunrise is at 06:28 and sunset at 18:45 CAT.

The average sunshine duration in September is 9.9h.

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Okondjatu, Namibia

  • Average high temperature in September: 31°C

The warmest month (with the highest average high temperature) is October (32.8°C).
The month with the lowest average high temperature is July (22.6°C).

  • Average low temperature in September: 13.8°C

The months with the highest average low temperature are November and December (20.5°C).
The coldest month (with the lowest average low temperature) is July (6.8°C).

Average pressure in September
Okondjatu, Namibia

  • Average pressure in September: 1014.3mbar

The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is January (1009.7mbar).

Average wind speed in September
Okondjatu, Namibia

  • Average wind speed in September: 10.6km/h

The windiest month (with the highest average wind speed) is October (11km/h).
The calmest month (with the lowest average wind speed) is April (8.5km/h).

Average humidity in September
Okondjatu, Namibia

  • Average humidity in September: 20%

The month with the highest relative humidity is March (62%).
The month with the lowest relative humidity is September (20%).

Average rainfall in September
Okondjatu, Namibia

  • Average rainfall in September: 2mm

The wettest month (with the highest rainfall) is December (129mm).
The driest months (with the least rainfall) are June, July and August (0mm).

Average rainfall days in September
Okondjatu, Namibia

  • Average rainfall days in September: 1.2 days

The month with the highest number of rainy days is December (22.2 days).
The months with the least rainy days are June and July (0 days).

Average daylight in September /
Average sunshine in September
Okondjatu, Namibia

  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).

  • Average sunshine in September: 9h and 54min

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

Average sunshine days in September
Okondjatu, Namibia

  • Average sunshine days in September: 28.5 days

The month with the most sunshine days is July (31 days).
The month with the least sunshine days is February (6.4 days).

Average UV index in September
Okondjatu, Namibia

  • Average UV index in September: 6

The month with the highest UV index is October (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 5).

Average cloud cover in September
Okondjatu, Namibia

  • Average cloud cover in September: 5

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

Average visibility in September
Okondjatu, Namibia

  • Average visibility in September: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).