September weather forecast
Quissari, Angola

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

Temperature

With September's arrival, Quissari notes an average high-temperature of a still tropical 30.2°C (86.4°F), closely following the trend of the preceding month. Quissari records a marked daily temperature contrast, with an average low-temperature of 18°C (64.4°F) during the nights of September.

Heat index

The heat index value during September is computed to be a torrid 36°C (96.8°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In September, the average relative humidity is 70%.

Rainfall

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

Daylight

The average length of the day in September is 12h and 4min.
On the first day of September, sunrise is at 05:57 and sunset at 17:55. On the last day of the month, sunrise is at 05:40 and sunset at 17:51 WAT.

Sunshine

With an average of 8.6h of sunshine, September has the most sunshine of the year.

UV index

April through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 6 during September translates into these guidelines:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.