September weather forecast
Dekar, Botswana

September

Weather in September

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

Temperature

With the onset of September, Dekar observes a minor temperature ascent, with the average high-temperature adjusting from August's warm 27.6°C (81.7°F) to a hot 32.3°C (90.1°F). Dekar experiences a substantial divergence from daytime highs in September, with average lows hovering around a mild 14.7°C (58.5°F).

Humidity

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

Rainfall

January through July, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 1 rainfall days, it receives 1mm (0.04") of precipitation. In Dekar, during the entire year, the rain falls for 92.5 days and collects up to 329mm (12.95") of precipitation.

Daylight

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

Sunshine

The average sunshine in September is 10h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 6 in September leads to these guidelines:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

How hot does it get in September?
The high-temperature, in September, in Dekar, is 32.3°C (90.1°F), while the low-temperature averages to 14.7°C (58.5°F). In April, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is evaluated at 28°C (82.4°F).
What is the least humid month?
With an average relative humidity of 21%, September is the least humid month.
What is the average humidity in September?
In Dekar, the average relative humidity in September is 21%.
When does it start to rain?
September is the first month it rains. 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 day length in September is 11h and 59min.
What time are sunrise and sunset in September?
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, sunrise is at 06:13 and sunset at 18:30 CAT.
How many hours of sunshine does Dekar have in September?
In Dekar, the average sunshine duration in September is 10h.
What is the UV index reading in September?
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
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).

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).

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).

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%).

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).

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).

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).

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).

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).

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).

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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