September weather forecast
Tsumeb, Namibia

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Weather in September

September characterizes the steady transition into satisfyingly warm temperatures. With no rainfall recorded for the fourth consecutive month, Tsumeb, Namibia, enjoys a dry and sunny weather in September. Despite no rainfall, daylight hours increase to 12 while humidity levels rise to 20%. By the end of the month, Tsumeb marks the arrival of spring with clear skies and moderate temperatures.

Temperature

With the onset of September, Tsumeb's average high-temperature sees a modest rise, moving from August's warm 27.1°C (80.8°F) to a tropical 31°C (87.8°F). The September nights in Tsumeb bear witness to a significant drop from the daytime highs, settling at an average temperature of 13.8°C (56.8°F).

Humidity

September is the least humid month in Tsumeb, Namibia, 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 in Tsumeb. 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 September, the average length of the day in Tsumeb is 11h and 59min.
On the first day of the month, sunrise is at 06:56 and sunset at 18:41. On the last day of September, in Tsumeb, sunrise is at 06:31 and sunset at 18:46 CAT.

Sunshine

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

UV index

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 6 transforms into these recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

Is it hot in Tsumeb during September?

The average high-temperature and low-temperature in Tsumeb, Namibia, during September are 31°C (87.8°F) and 13.8°C (56.8°F) respectively. In March, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 29°C (84.2°F).

What is the least humid month in Tsumeb?

With an average relative humidity of 20%, September is the least humid month.

What is the average humidity in September in Tsumeb?

In Tsumeb, Namibia, the average relative humidity in September is 20%.

When does it start to rain in Tsumeb?

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

What is the average length of the day in September in Tsumeb?

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

When are sunrise and sunset in September in Tsumeb?

On the first day of September in Tsumeb, sunrise is at 06:56 and sunset at 18:41. On the last day of the month, sunrise is at 06:31 and sunset at 18:46 CAT.

How many hours of sunshine does Tsumeb have in September?

In September, the average sunshine duration in Tsumeb is 9.9h.

How high is the UV index in September in Tsumeb?

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

Average temperature in September
Tsumeb, Namibia

Average temperature in September - Tsumeb, 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).

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Average pressure in September
Tsumeb, Namibia

Average pressure in September - Tsumeb, 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).

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Average wind speed in September
Tsumeb, Namibia

Average wind speed in September - Tsumeb, 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).

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Average humidity in September
Tsumeb, Namibia

Average humidity in September - Tsumeb, 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%).

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Average rainfall in September
Tsumeb, Namibia

Average rainfall in September - Tsumeb, 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).

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Average rainfall days in September
Tsumeb, Namibia

Average rainfall days in September - Tsumeb, 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).

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

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

The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 11h and 0min).

  • Average sunshine in September: 9h and 5min

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).

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Average sunshine days in September
Tsumeb, Namibia

Average sunshine days in September - Tsumeb, 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).

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Average UV index in September
Tsumeb, Namibia

Average UV index in September - Tsumeb, 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).

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Average cloud cover in September
Tsumeb, Namibia

Average cloud cover in September - Tsumeb, 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).

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Average visibility in September
Tsumeb, Namibia

Average visibility in September - Tsumeb, 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).

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Tsumeb, Namibia

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