September weather forecast
Nyala, Sudan

As September arrives, rainfall totals in Nyala, Sudan start to decrease, falling to 56mm (2.2"). A slight shift towards a drier climate is noticeable, signalling the gradual end of the rainy season. The weather remains somewhat cool as the humidity levels start to lower. As the days progress, a balance between rainfall and sunshine begins to return. September bids adieu to the rain-dominated months and prepares for the dry season.

Temperature

September's onset in Nyala records an average high-temperature of a still tropical 33.6°C (92.5°F), a near match to August's 31.8°C (89.2°F). Nyala's September nights cool down to an average low-temperature of 24.3°C (75.7°F).

Heat index

The heat index value for September is calculated to be a sweltering 39°C (102.2°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. 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. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In Nyala, the average relative humidity in September is 55%.

Rainfall

In Nyala, in September, during 15.4 rainfall days, 56mm (2.2") of precipitation is typically accumulated. Throughout the year, there are 83.9 rainfall days, and 353mm (13.9") of precipitation is accumulated.

Daylight

In Nyala, the average length of the day in September is 12h and 11min.
On the first day of September in Nyala, sunrise is at 06:09 and sunset at 18:30. On the last day of the month, sunrise is at 06:09 and sunset at 18:11 CAT.

Sunshine

In September, the average sunshine in Nyala is 9.5h.

UV index

In Nyala, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. 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. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.