Juba
South Sudan
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Juba, South Sudan

Meandering River Nile through the city of Juba, in South Sudan
Meandering River Nile through the city of Juba, in South Sudan
The first month of the autumn, September, is also a hot month in Juba, South Sudan, with average temperature fluctuating between 21.1°C (70°F) and 33.1°C (91.6°F).

Temperature

In September, the average high-temperature is relatively the same as in August - a still tropical 33.1°C (91.6°F). In Juba, the average low-temperature is 21.1°C (70°F).

Humidity

In September, the average relative humidity is 77%.

Rainfall

In Juba, during September, the rain falls for 8.6 days and regularly aggregates up to 103.7mm (4.1") of precipitation. Throughout the year, in Juba, there are 96.2 rainfall days, and 953.7mm (37.5") of precipitation is accumulated.

Daylight

In Juba, the average length of the day is 12.1h.

Sunshine

The average sunshine in Juba is 7.6h.

UV index

Months with the highest UV index in Juba, South Sudan, are January through May, August through November, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme health hazard from the exposure to the Sun's UV rays for the average person.
The daily maximum UV index of 12 in September interpret into the following advice:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise.

What is the temperature in September in Juba?

In September, in Juba, South Sudan, the average high-temperature is 33.1°C (91.6°F), and the average low-temperature is 21.1°C (70°F).

What is the average humidity in September in Juba?

The average relative humidity in September in Juba, South Sudan, is 77%.

How many days does it rain in September in Juba?

In Juba, in September, it is raining for 8.6 days, with typically 103.7mm (4.1") of accumulated precipitation.

How many hours of daylight does Juba have in September?

The average length of the day in September in Juba is 12.1h.

How long on average sun shines in September in Juba?

The average sunshine in September in Juba, South Sudan, is 7.6h.

When is the highest UV index in Juba?

Months with the highest UV index in Juba, South Sudan, are January through May, August through November, with an average maximum UV index of 12.

What is the UV index intensity in September in Juba?

In September, the average daily maximum UV index in Juba is 12. A UV Index of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV rays.
Average temperature in September - Juba, South Sudan
  • Average high temperature in September: 33.1°C

The warmest month (with the highest average high temperature) is February (37.9°C).
The month with the lowest average high temperature is July (31.1°C).

  • Average low temperature in September: 21.1°C

The month with the highest average low temperature is March (23.6°C).
The coldest month (with the lowest average low temperature) is December (20°C).

Average humidity in September - Juba, South Sudan
  • Average humidity in September: 77%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is February (42%).

Average rainfall in September - Juba, South Sudan
  • Average rainfall in September: 103.7mm

The wettest month (with the highest rainfall) is July (144.7mm).
The driest month (with the lowest rainfall) is January (5.1mm).

Average rainfall days in September - Juba, South Sudan
  • Average rainfall days in September: 8.6 days

The month with the highest number of rainy days is July (13 days).
The month with the lowest number of rainy days is January (1.4 days).

Average daylight in September / Average sunshine in September - Juba, South Sudan
  • Average daylight in September: 12.1h

Months with the longest days are June and July (Average daylight: 12.4h).
The month with shortest days is December (Average daylight: 11.8h).

  • Average sunshine in September: 7.6h

The month with most sunshine is January (Average sunshine: 9h).
The month with least sunshine is July (Average sunshine: 5.9h).

Average UV index in September - Juba, South Sudan
  • Average UV index in September: 12

Months with the highest UV index are January, February, March, April, May, August, September, October and November (UV index 12).
Months with the lowest UV index are June, July and December (UV index 11).