September weather forecast
Nimule, South Sudan

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Weather in September

September signals a reduction in rainfall, with precipitation levels dropping to 126mm (4.96"). A slight rise in temperature from August's 29.4°C (84.9°F) to September's 30.5°C (86.9°F) indicates a shift towards a warmer season. As September progresses, clouds start making way for clear skies, promising more sunshine in the following months. The fall in humidity levels serves to make the month more comfortable than the high moisture content of summer. The weather patterns of September canvas a nature's art that is breathtaking and appealing to the senses.

Temperature

The shift to September in Nimule signals an average high-temperature of a hot 30.5°C (86.9°F), subtly varied from August's 29.4°C (84.9°F). September brings Nimule a consistent average low-temperature of 19.2°C (66.6°F).

Heat index

For most parts of September, the heat index is evaluated at a very hot 39°C (102.2°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In September, the average relative humidity in Nimule is 78%.

Rainfall

In Nimule, South Sudan, in September, it is raining for 27.5 days, with typically 126mm (4.96") of accumulated precipitation. Throughout the year, in Nimule, there are 229.5 rainfall days, and 1113mm (43.82") of precipitation is accumulated.

Daylight

In September, the average length of the day in Nimule is 12h and 8min.
On the first day of the month, sunrise is at 05:46 and sunset at 17:57. On the last day of September, in Nimule, sunrise is at 05:38 and sunset at 17:44 CAT.

Sunshine

In Nimule, South Sudan, the average sunshine in September is 9.2h.

UV index

The months with the lowest UV index in Nimule, South Sudan, are April through October, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 6 translates into these guidelines:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Jan 27, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

Is it hot in Nimule during September?

The high-temperature, in September, in Nimule, is 30.5°C (86.9°F), while the low-temperature averages to 19.2°C (66.6°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 39°C (102.2°F).

What is the average humidity in September in Nimule?

The average relative humidity in September in Nimule, South Sudan, is 78%.

How much does it rain in Nimule in September?

In Nimule, in September, it is raining for 27.5 days, with typically 126mm (4.96") of accumulated precipitation.

What is the average length of the day in September in Nimule?

In September, the average day length is 12h and 8min.

When are sunrise and sunset in September in Nimule?

In September, on the first day of the month, sunrise is at 05:46 and sunset at 17:57. On the last day of the month, sunrise is at 05:38 and sunset at 17:44 CAT.

How many hours of sunshine does Nimule have in September?

In Nimule, the average sunshine duration in September is 9.2h.

What are the months with the lowest UV index in Nimule?

April through October, with an average maximum UV index of 6, are months with the lowest UV index.

How high is the UV index in September in Nimule?

In Nimule, South Sudan, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Average temperature in September
Nimule, South Sudan

Average temperature in September - Nimule, South Sudan
  • Average high temperature in September: 30.5°C

The warmest month (with the highest average high temperature) is February (36.6°C).
The month with the lowest average high temperature is July (28.8°C).

  • Average low temperature in September: 19.2°C

The month with the highest average low temperature is March (23.1°C).
The coldest months (with the lowest average low temperature) are July and August (18.8°C).

Average pressure in September
Nimule, South Sudan

Average pressure in September - Nimule, South Sudan
  • Average pressure in September: 1011.9mbar

The month with the highest atmospheric pressure is July (1013.2mbar).
The month with the lowest atmospheric pressure is February (1008.4mbar).

Average wind speed in September
Nimule, South Sudan

Average wind speed in September - Nimule, South Sudan
  • Average wind speed in September: 3.8km/h

The windiest month (with the highest average wind speed) is February (6.7km/h).
The calmest month (with the lowest average wind speed) is August (3.6km/h).

Average humidity in September
Nimule, South Sudan

Average humidity in September - Nimule, South Sudan
  • Average humidity in September: 78%

The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is January (32%).

Average rainfall in September
Nimule, South Sudan

Average rainfall in September - Nimule, South Sudan
  • Average rainfall in September: 126mm

The wettest month (with the highest rainfall) is August (168mm).
The driest month (with the least rainfall) is January (2mm).

Average rainfall days in September
Nimule, South Sudan

Average rainfall days in September - Nimule, South Sudan
  • Average rainfall days in September: 27.5 days

The month with the highest number of rainy days is August (29.8 days).
The month with the least rainy days is January (1.7 days).

Average daylight in September /
Average sunshine in September
Nimule, South Sudan

Average daylight in September / Average sunshine in September - Nimule, South Sudan
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).

  • Average sunshine in September: 9h and 1min

The months with the most sunshine are January and February (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 8h and 36min).

Average sunshine days in September
Nimule, South Sudan

Average sunshine days in September - Nimule, South Sudan
  • Average sunshine days in September: 1.3 days

The month with the most sunshine days is January (28.6 days).
The months with the least sunshine days are July and August (0.6 days).

Average UV index in September
Nimule, South Sudan

Average UV index in September - Nimule, South Sudan
  • Average UV index in September: 6

The months with the highest UV index are January, February, March, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 6).

Average cloud cover in September
Nimule, South Sudan

Average cloud cover in September - Nimule, South Sudan
  • Average cloud cover in September: 34

The month with the most cloud cover is August (Cloud cover 40).
The month with the least cloud cover is January (Cloud cover 10).

Average visibility in September
Nimule, South Sudan

Average visibility in September - Nimule, South Sudan
  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are July, August and September (8km).

Nimule, South Sudan

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