September weather forecast
Cuale, Angola

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

Temperature

September's advent presents an average high-temperature of a still hot 30.2°C (86.4°F), indicating a slight variation from the conditions of the previous month. September nights in Cuale present a stark temperature decrease to a refreshing 18°C (64.4°F).

Heat index

In September, the average heat index is appraised at a very hot 36°C (96.8°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

In September, the average relative humidity in Cuale, Angola, is 70%.

Rainfall

In Cuale, in September, it is raining for 24.6 days, with typically 82mm (3.23") of accumulated precipitation. Throughout the year, in Cuale, 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 the month, sunrise is at 05:56 and sunset at 17:53. On the last day of September, in Cuale, sunrise is at 05:39 and sunset at 17:50 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 estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: An average UV index of 6 in September transforms into this advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.