September weather forecast and climate
Dekar, Botswana

Weather in September

September, the first month of the spring, in Dekar, is a hot month, with average temperature varying between 14.7°C (58.5°F) and 32.3°C (90.1°F).

Temperature

In September, the average high-temperature slightly increases, from a warm 27.6°C (81.7°F) in August, to a hot 32.3°C (90.1°F). In September, the average low-temperature is 14.7°C (58.5°F).

Humidity

September is the least humid month in Dekar, with an average relative humidity of 21%.

Rainfall

Months with rainfall are January through July, September through December. September is the first month it rains. Throughout September, in the average 1 rainfall days, it receives 1mm (0.04") of precipitation. Throughout the year, there are 92.5 rainfall days, and 329mm (12.95") of precipitation is accumulated.

Daylight

In September, the average length of the day in Dekar, Botswana, is 12h.

Sunshine

In September, the average sunshine in Dekar is 10h.

UV index

In Dekar, Botswana, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Dekar?

In Dekar, Botswana, in September, the average high-temperature is 32.3°C (90.1°F), and the average low-temperature is 14.7°C (58.5°F).

What is the least humid month in Dekar?

The least humid month is September, with an average relative humidity of 21%.

What is the average humidity in September in Dekar?

In September, the average relative humidity is 21%.

When does it start to rain in Dekar?

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

How many hours of daylight does Dekar have in September?

The average length of the day in September is 12h.

How many hours of sunshine does Dekar have in September?

In September, the average sunshine is 10h.

What is the UV index intensity in September in Dekar?

In Dekar, Botswana, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV radiation.

Average temperature in September
Dekar, Botswana

Average temperature in September - Dekar, Botswana
  • Average high temperature in September: 32.3°C

The warmest month (with the highest average high temperature) is October (34.5°C).
The month with the lowest average high temperature is July (23.1°C).

  • Average low temperature in September: 14.7°C

The month with the highest average low temperature is December (23.1°C).
The coldest month (with the lowest average low temperature) is July (8.8°C).

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Average pressure in September
Dekar, Botswana

Average pressure in September - Dekar, Botswana
  • Average pressure in September: 1015.3mbar

The month with the highest atmospheric pressure is July (1022.1mbar).
The month with the lowest atmospheric pressure is January (1009.5mbar).

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Average wind speed in September
Dekar, Botswana

Average wind speed in September - Dekar, Botswana
  • Average wind speed in September: 12.8km/h

The windiest months (with the highest average wind speed) are September and October (12.8km/h).
The calmest month (with the lowest average wind speed) is March (9.9km/h).

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Average humidity in September
Dekar, Botswana

Average humidity in September - Dekar, Botswana
  • Average humidity in September: 21%

The month with the highest relative humidity is February (55%).
The month with the lowest relative humidity is September (21%).

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Average rainfall in September
Dekar, Botswana

Average rainfall in September - Dekar, Botswana
  • Average rainfall in September: 1mm

The wettest month (with the highest rainfall) is January (79mm).
The driest month (with the least rainfall) is August (0mm).

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Average rainfall days in September
Dekar, Botswana

Average rainfall days in September - Dekar, Botswana
  • Average rainfall days in September: 1 days

Months with the highest number of rainy days are January and December (18 days).
The month with the least rainy days is August (0 days).

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Average daylight in September /
Average sunshine in September
Dekar, Botswana

Average daylight in September / Average sunshine in September - Dekar, Botswana
  • Average daylight in September: 12h

The month with the longest days is December (Average daylight: 13.4h).
The month with the shortest days is June (Average daylight: 10.8h).

  • Average sunshine in September: 10h

The month with the most sunshine is November (Average sunshine: 11.9h).
The month with the least sunshine is June (Average sunshine: 8.1h).

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Average sunshine days in September
Dekar, Botswana

Average sunshine days in September - Dekar, Botswana
  • Average sunshine days in September: 28.9 days

The month with the most sunshine days is August (30.9 days).
The month with the least sunshine days is December (9 days).

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Average UV index in September
Dekar, Botswana

Average UV index in September - Dekar, Botswana
  • Average UV index in September: 6

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

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Average cloud cover in September
Dekar, Botswana

Average cloud cover in September - Dekar, Botswana
  • Average cloud cover in September: 4

Months with the most cloud cover are January and February (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 1).

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Average visibility in September
Dekar, Botswana

Average visibility in September - Dekar, Botswana
  • Average visibility in September: 10km

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

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