September weather forecast
Dekar, Botswana

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Weather in September

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

Temperature

With the onset of September, Dekar's average high-temperature experiences a slight rise, moving from August's moderately hot 27.6°C (81.7°F) to a tropical 32.3°C (90.1°F). Throughout September, Dekar acknowledges a distinct difference between its daytime highs and the steady low average of 14.7°C (58.5°F).

Humidity

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

Rainfall

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

Daylight

In Dekar, Botswana, the average length of the day in September is 11h and 59min.
On the first day of September in Dekar, sunrise is at 06:41 and sunset at 18:23. On the last day of the month, sunrise is at 06:13 and sunset at 18:30 CAT.

Sunshine

In September, the average sunshine is 10h.

UV index

The average daily maximum UV index in September in Dekar, Botswana, is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the UV index of 6 transforms into the following advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight 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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Frequently asked questions

How hot is it in Dekar in September?

In September, the average high-temperature and low-temperature in Dekar are 32.3°C (90.1°F) and 14.7°C (58.5°F) respectively. In April, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 28°C (82.4°F).

What is the least humid month in Dekar?

With an average relative humidity of 21%, September is the least humid month.

What is the average humidity in September in Dekar?

In Dekar, the average relative humidity in September 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?

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

When is the sunrise / sunset in September in Dekar?

In September, on the first day of the month, sunrise is at 06:41 and sunset at 18:23. On the last day of the month, in Dekar, sunrise is at 06:13 and sunset at 18:30 CAT.

How many hours of sunshine does Dekar have in September?

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

How high is the UV index in September in Dekar?

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

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

The 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 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 48min).

  • Average sunshine in September: 10h and 0min

The month with the most sunshine is November (Average sunshine: 11h and 54min).
The month with the least sunshine is June (Average sunshine: 8h and 6min).

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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

The months with the highest UV index are January, October, November and December (UV index 7).
The 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

The 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

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).

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Dekar, Botswana

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