September weather forecast
Port Sudan, Sudan

With September’s advent, temperature levels get a notch down while humidity levels register a significant rise. Despite the considerable 37.4°C (99.3°F) highs, there is no recorded rainfall in this month, underlining its dry nature. The sea remains pleasingly warm, making it the ideal conditions for water activities along the coastline. The declining sunlight hours herald the gradual approach of cooler months. Transition into October sees a slight, but steady, cooling trend commence.

Temperature

September in Port Sudan, Sudan, reports an average high-temperature of a torrid 37.4°C (99.3°F), slightly varied from August's 40.2°C (104.4°F). Port Sudan reports an average nighttime low-temperature of 26.8°C (80.2°F) in September.

Heat index

September's average heat index is appraised at a blazing hot 53°C (127.4°F). Stay alert: Heat cramps and heat exhaustion are expected. Heatstroke is a likely outcome of ongoing activity.
Understanding the heat index involves considering values for shaded locales with light wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

The average relative humidity in September is 60%.

Rainfall

The only month without rainfall in Port Sudan is September.

Sea temperature

In Port Sudan, the average seawater temperature in September is 30.9°C (87.6°F).
Note: One might not get the desired cooling sensation in waters that have temperatures higher than 30°C (86°F).

Daylight

The average length of the day in September is 12h and 15min.
On the first day of the month, sunrise is at 05:15 and sunset at 17:46. On the last day of September, in Port Sudan, sunrise is at 05:21 and sunset at 17:20 CAT.

Sunshine

In Port Sudan, Sudan, the average sunshine in September is 9.4h.

UV index

The months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 12 in September converts into the following recommendations:
Utilize every vital safety procedure. Individuals with light skin may endure burns 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Frequent reapplication of a broad-spectrum SPF 30+ sunscreen is vital every two hours or directly after a swim or an outdoor workout. Be wary! Reflections from sand and water make UV radiation more intense.