September weather forecastNegage, Angola

Weather in September

The first month of the spring, September, is still a tropical month in Negage, Angola, with an average temperature ranging between max 30.2°C (86.4°F) and min 18°C (64.4°F).

Temperature

As Negage welcomes September, the average high-temperature stabilizes at a still tropical 30.2°C (86.4°F), showing little deviation from August's 31.3°C (88.3°F). Despite considerable daily temperature swings, a steady low-temperature average of 18°C (64.4°F) is noted throughout September.

Heat index

The average heat index in September is computed to be a sweltering 36°C (96.8°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In September, the average relative humidity is 70%.

Rainfall

In Negage, in September, it is raining for 24.6 days, with typically 82mm (3.23") of accumulated precipitation. Throughout the year, there are 261.7 rainfall days, and 1536mm (60.47") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 4min.
On the first day of September, sunrise is at 05:59 and sunset at 17:57. On the last day of the month, sunrise is at 05:43 and sunset at 17:53 WAT.

Sunshine

The month with the most sunshine is September, with an average of 8.6h of sunshine.

UV index

The months with the highest UV index are April through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 6 suggests these recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.