Khartoum
Sudan
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Khartoum, Sudan

An aerial view of River Nile flowing past the city of Khartoum, Sudan, with a clear skyline on the horizon
An aerial view of River Nile flowing past the city of Khartoum, Sudan, with a clear skyline on the horizon
The first month of the autumn, September, is still a torrid month in Khartoum, Sudan, with average temperature ranging between min 26.3°C (79.3°F) and max 38.7°C (101.7°F).

Temperature

In September, the average high-temperature is essentially the same as in August - a still sweltering 38.7°C (101.7°F). In September, the average low-temperature is 26.3°C (79.3°F).

Heat index

The average heat index is appraised at a life-threatening hot 45.1°C (113.2°F). Beware - heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels.

Humidity

In Khartoum, the average relative humidity is 40%.

Rainfall

In Khartoum, it is raining for 3.4 days, with typically 26.7mm (1.1") of accumulated precipitation. Throughout the year, there are 14.7 rainfall days, and 121.3mm (4.8") of precipitation is accumulated.

Daylight

The average length of the day in Khartoum is 12.2h.

Sunshine

In Khartoum, the average sunshine is 10h.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index in Khartoum. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 12 translate into the following recommendations:
Practice all essential precautions. Protection against sun damage is crucial. 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. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.

What is the temperature in September in Khartoum?

In Khartoum, in September, the average high-temperature is 38.7°C (101.7°F), and the average low-temperature is 26.3°C (79.3°F).

What is the average humidity in September in Khartoum?

The average relative humidity in September in Khartoum is 40%.

How much does it rain in Khartoum in September?

In Khartoum, Sudan, in September, it is raining for 3.4 days, with typically 26.7mm (1.1") of accumulated precipitation.

How many hours of daylight does Khartoum have in September?

The average length of the day in September in Khartoum, Sudan, is 12.2h.

How many hours of sunshine does Khartoum have in September?

The average sunshine in September in Khartoum is 10h.

What are the months with the highest UV index in Khartoum?

Months with the highest UV index are March through September, with an average maximum UV index of 12.

What is the UV index intensity in September in Khartoum?

In Khartoum, Sudan, the average daily maximum UV index in September is 12. A UV Index reading of 11, and higher, represents an extreme health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Khartoum, Sudan
  • Average high temperature in September: 38.7°C

The warmest month (with the highest average high temperature) is May (41.9°C).
The month with the lowest average high temperature is January (30.7°C).

  • Average low temperature in September: 26.3°C

The month with the highest average low temperature is June (27.6°C).
The coldest month (with the lowest average low temperature) is January (15.6°C).

Average humidity in September - Khartoum, Sudan
  • Average humidity in September: 40%

The month with the highest relative humidity is August (49%).
The month with the lowest relative humidity is April (16%).

Average rainfall in September - Khartoum, Sudan
  • Average rainfall in September: 26.7mm

The wettest month (with the highest rainfall) is August (48.3mm).
Driest months (with the lowest rainfall) are January, February, April and December (0mm).

Average rainfall days in September - Khartoum, Sudan
  • Average rainfall days in September: 3.4 days

The month with the highest number of rainy days is August (4.2 days).
Months with the lowest number of rainy days are January, February, April, November and December (0 days).

Average daylight in September / Average sunshine in September - Khartoum, Sudan
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 13h).
The month with shortest days is December (Average daylight: 11.2h).

  • Average sunshine in September: 10h

The month with most sunshine is February (Average sunshine: 11.1h).
Months with least sunshine are July and August (Average sunshine: 9).

Average UV index in September - Khartoum, Sudan
  • Average UV index in September: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).