September weather forecastCaculama, Angola
September
Weather in September
The first month of the spring, September, is still a hot month in Caculama, Angola, with an average temperature ranging between min 19.5°C (67.1°F) and max 31.4°C (88.5°F).Temperature
September's weather records an average high-temperature of a still hot 31.4°C (88.5°F), showing little deviation from August. September brings an average low-temperature of 19.5°C (67.1°F) to Caculama.Heat index
The heat index value for September is evaluated at a torrid 37°C (98.6°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. 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 is 64%.Rainfall
In Caculama, in September, it is raining for 11.3 days, with typically 16mm (0.63") of accumulated precipitation. Throughout the year, there are 208.7 rainfall days, and 1182mm (46.54") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 3min.On the first day of the month, sunrise is at 05:54 and sunset at 17:50. On the last day of September, in Caculama, sunrise is at 05:36 and sunset at 17:47 WAT.
Sunshine
In September, the average sunshine is 8.4h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 6. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a regular UV index of 6 translates into these guidelines:
Elude overexposure. Fair-skinned people could get burnt in less than 20 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. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Caculama, Angola
- Average high temperature in September: 31.4°C
The warmest month (with the highest average high temperature) is August (32°C).
The month with the lowest average high temperature is December (27.8°C).
- Average low temperature in September: 19.5°C
The months with the highest average low temperature are October and November (20.7°C).
The coldest month (with the lowest average low temperature) is June (16.6°C).
Average pressure in September
Caculama, Angola
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is July (1014.6mbar).
The month with the lowest atmospheric pressure is February (1011.3mbar).
Average wind speed in September
Caculama, Angola
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is September (9.9km/h).
The calmest month (with the lowest average wind speed) is April (5.1km/h).
Average humidity in September
Caculama, Angola
- Average humidity in September: 64%
The months with the highest relative humidity are April and December (86%).
The month with the lowest relative humidity is July (60%).
Average rainfall in September
Caculama, Angola
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is April (219mm).
The driest months (with the least rainfall) are June and July (1mm).
Average rainfall days in September
Caculama, Angola
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is November (27.1 days).
The months with the least rainy days are June and July (1.7 days).
Average daylight in September /
Average sunshine in September
Caculama, Angola
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is January (Average sunshine: 9h and 0min).
The month with the least sunshine is April (Average sunshine: 6h and 42min).
Average sunshine days in September
Caculama, Angola
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is November (1.4 days).
Average UV index in September
Caculama, Angola
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Caculama, Angola
- Average cloud cover in September: 34
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in September
Caculama, Angola
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, March, April and December (7km).





