September weather forecast
Yirol, South Sudan

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Weather in September

September signifies transitional weather patterns, revealing Yirol's retreat from the rainy season. A notable spec in the weather pattern emerges with rainfall dipping slightly to 93mm (3.66"), while relative humidity drops to 77%. This switch reflects declining monsoonal influence and gradually reducing rainfall. The clouds start to disperse with an increase in sunshine hours. The constant warm temperatures, defined by the location's tropical weather, persist during this transition.

Temperature

The average high-temperature during September is a still hot 31.7°C (89.1°F), almost matching the conditions of the preceding month. During September, the temperature is averaged to a low of 21.3°C (70.3°F) at night.

Heat index

In September, the average heat index is estimated at a scorching 42°C (107.6°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are essentially critical for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In Yirol, South Sudan, the average relative humidity in September is 77%.

Rainfall

In Yirol, in September, it is raining for 22.3 days, with typically 93mm (3.66") of accumulated precipitation. In Yirol, during the entire year, the rain falls for 171.8 days and collects up to 676mm (26.61") of precipitation.

Daylight

In Yirol, the average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 05:50 and sunset at 18:05. On the last day of September, in Yirol, South Sudan, sunrise is at 05:45 and sunset at 17:49 CAT.

Sunshine

The average sunshine in September in Yirol is 8.8h.

UV index

The average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 7 in September translates into the following instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full 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.
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Frequently asked questions

How hot is it in Yirol in September?

In September, in Yirol, the average high-temperature is 31.7°C (89.1°F), and the average low-temperature is 21.3°C (70.3°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is estimated at 42°C (107.6°F).

What is the average humidity in September in Yirol?

The average relative humidity in September is 77%.

How many days does it rain in September in Yirol?

In Yirol, South Sudan, in September, it is raining for 22.3 days, with typically 93mm (3.66") of accumulated precipitation.

How many hours of daylight does Yirol have in September?

In Yirol, the average day length in September is 12h and 10min.

What time are sunrise and sunset in September in Yirol?

In September, on the first day of the month, sunrise is at 05:50 and sunset at 18:05. On the last day of the month, sunrise is at 05:45 and sunset at 17:49 CAT.

How many hours of sunshine does Yirol have in September?

In September, the average sunshine duration in Yirol is 8.8h.

How high is the UV index in September in Yirol?

In Yirol, South Sudan, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Yirol, South Sudan

Average temperature in September - Yirol, South Sudan
  • Average high temperature in September: 31.7°C

The warmest month (with the highest average high temperature) is March (39.5°C).
The month with the lowest average high temperature is July (30.9°C).

  • Average low temperature in September: 21.3°C

The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is September (21.3°C).

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Average pressure in September
Yirol, South Sudan

Average pressure in September - Yirol, South Sudan
  • Average pressure in September: 1010.5mbar

The month with the highest atmospheric pressure is July (1011.5mbar).
The month with the lowest atmospheric pressure is March (1006.7mbar).

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Average wind speed in September
Yirol, South Sudan

Average wind speed in September - Yirol, South Sudan
  • Average wind speed in September: 5.1km/h

The windiest month (with the highest average wind speed) is January (8.8km/h).
The calmest month (with the lowest average wind speed) is September (5.1km/h).

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Average humidity in September
Yirol, South Sudan

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

The month with the highest relative humidity is August (79%).
The months with the lowest relative humidity are January and February (21%).

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Average rainfall in September
Yirol, South Sudan

Average rainfall in September - Yirol, South Sudan
  • Average rainfall in September: 93mm

The wettest month (with the highest rainfall) is May (110mm).
The driest month (with the least rainfall) is January (1mm).

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Average rainfall days in September
Yirol, South Sudan

Average rainfall days in September - Yirol, South Sudan
  • Average rainfall days in September: 22.3 days

The month with the highest number of rainy days is July (24.1 days).
The month with the least rainy days is January (1 days).

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

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

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is January (Average sunshine: 10h and 0min).
The month with the least sunshine is July (Average sunshine: 8h and 18min).

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Average sunshine days in September
Yirol, South Sudan

Average sunshine days in September - Yirol, South Sudan
  • Average sunshine days in September: 6 days

The month with the most sunshine days is January (29.3 days).
The month with the least sunshine days is June (4.8 days).

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Average UV index in September
Yirol, South Sudan

Average UV index in September - Yirol, South Sudan
  • Average UV index in September: 7

The months with the highest UV index are January, February, March and December (UV index 8).
The months with the lowest UV index are July and August (UV index 6).

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Average cloud cover in September
Yirol, South Sudan

Average cloud cover in September - Yirol, South Sudan
  • Average cloud cover in September: 37

The month with the most cloud cover is July (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 7).

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Average visibility in September
Yirol, South Sudan

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

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

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Yirol, South Sudan

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