September weather forecast
Gondokoro, South Sudan

September

Weather in September

September marks the beginning of a drier phase, registering a considerable decline in rainfall to 87mm (3.43") as compared to August. The frequency of rainfall days also drops to 24.9, further indicating a shift towards less rainy conditions. Temperature rises slightly to an average maximum of 31.7°C (89.1°F), signifying warmer and drier conditions. Relative humidity falls to 73%, implying a decrease in moisture content in the air. The ample 12.1 hours of daylight hours remain consistent, providing ample duration for outdoor activities.

Temperature

The arrival of September marks a slight shift to an average high-temperature of a still hot 31.7°C (89.1°F) from August's 31.1°C (88°F). In Gondokoro, the expected average low-temperature for September is an agreeable 20.9°C (69.6°F).

Heat index

The heat index value for September is computed to be a scorching 41°C (105.8°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

The average relative humidity in September is 73%.

Rainfall

In Gondokoro, in September, during 24.9 rainfall days, 87mm (3.43") of precipitation is typically accumulated. In Gondokoro, during the entire year, the rain falls for 210.9 days and collects up to 731mm (28.78") of precipitation.

Daylight

In Gondokoro, the average length of the day in September is 12h and 9min.
On the first day of the month, sunrise is at 05:47 and sunset at 17:59. On the last day of September, sunrise is at 05:40 and sunset at 17:45 CAT.

Sunshine

In Gondokoro, the average sunshine in September is 9.1h.

UV index

In Gondokoro, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In September, an average UV index of 7 transforms into the following instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

How hot does it get in September?
The average high-temperature and low-temperature in Gondokoro during September are 31.7°C (89.1°F) and 20.9°C (69.6°F) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 41°C (105.8°F).
What is the average humidity in September in Gondokoro?
In Gondokoro, the average relative humidity in September is 73%.
How many days does it rain in September in Gondokoro?
In September, the rain falls for 24.9 days. Throughout September, 87mm (3.43") of precipitation is accumulated.
What is the average length of the day in September?
The average day length in September is 12h and 9min.
What time are sunrise and sunset in September?
On the first day of September, sunrise is at 05:47 and sunset at 17:59. On the last day of the month, sunrise is at 05:40 and sunset at 17:45 CAT.
How long on average sun shines in September?
In September, the average sunshine duration is 9.1h.
What is the UV index reading in September?
In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health threat 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
Gondokoro, South Sudan
  • Average high temperature in September: 31.7°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 (30.8°C).

  • Average low temperature in September: 20.9°C

The month with the highest average low temperature is March (26°C).
The coldest months (with the lowest average low temperature) are July and August (20.6°C).

Average pressure in September
Gondokoro, South Sudan
  • Average pressure in September: 1011.1mbar

The month with the highest atmospheric pressure is July (1012.3mbar).
The month with the lowest atmospheric pressure is February (1007.4mbar).

Average wind speed in September
Gondokoro, South Sudan
  • Average wind speed in September: 4.6km/h

The windiest month (with the highest average wind speed) is February (8.2km/h).
The calmest month (with the lowest average wind speed) is August (4.5km/h).

Average humidity in September
Gondokoro, South Sudan
  • Average humidity in September: 73%

The months with the highest relative humidity are July and August (76%).
The month with the lowest relative humidity is January (27%).

Average rainfall in September
Gondokoro, South Sudan
  • Average rainfall in September: 87mm

The wettest month (with the highest rainfall) is August (113mm).
The driest month (with the least rainfall) is January (3mm).

Average rainfall days in September
Gondokoro, South Sudan
  • Average rainfall days in September: 24.9 days

The month with the highest number of rainy days is August (28.5 days).
The month with the least rainy days is January (2.3 days).

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

The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is January (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 8h and 48min).

Average sunshine days in September
Gondokoro, South Sudan
  • Average sunshine days in September: 3.6 days

The month with the most sunshine days is January (27.6 days).
The month with the least sunshine days is August (1.1 days).

Average UV index in September
Gondokoro, South Sudan
  • Average UV index in September: 7

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

Average cloud cover in September
Gondokoro, South Sudan
  • Average cloud cover in September: 32

The month with the most cloud cover is July (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 10).

Average visibility in September
Gondokoro, South Sudan
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August, September and October (9km).

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