September weather forecast
Cumbira, Angola

The first month of the spring, September, is still a hot month in Cumbira, Angola, with temperature in the range of an average low of 16.2°C (61.2°F) and an average high of 31.5°C (88.7°F).

Temperature

September is the month when Cumbira experiences its warmest temperatures, averaging a high of 31.5°C (88.7°F) and a low of 16.2°C (61.2°F).

Heat index

September's average heat index is estimated at a fiery hot 35°C (95°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. 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 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In Cumbira, the average relative humidity in September is 57%.

Rainfall

In Cumbira, during September, the rain falls for 9.3 days and regularly aggregates up to 25mm (0.98") of precipitation. In Cumbira, during the entire year, the rain falls for 198 days and collects up to 1143mm (45") of precipitation.

Daylight

The average length of the day in September is 12h and 2min.
On the first day of the month, sunrise is at 06:04 and sunset at 17:58. On the last day of September, sunrise is at 05:45 and sunset at 17:57 WAT.

Sunshine

With an average of 9.4h of sunshine, September has the most sunshine of the year.

UV index

The months with the highest UV index in Cumbira, Angola, are May, July through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 6 during September translates into the following guidance:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.