September weather forecastLucala, Angola
September
Weather in September
The first month of the spring, September, is also a hot month in Lucala, Angola, with an average temperature varying between 19.5°C (67.1°F) and 31.4°C (88.5°F).Temperature
The beginning of September reveals an average high-temperature of a still hot 31.4°C (88.5°F), showing minimal deviation from the previous month. An average nighttime temperature of 19.5°C (67.1°F) is noted during the month of September.Heat index
For September, the heat index is appraised at a very hot 37°C (98.6°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
In Lucala, Angola, the average relative humidity in September is 64%.Rainfall
In Lucala, in September, during 11.3 rainfall days, 16mm (0.63") of precipitation is typically accumulated. Throughout the year, there are 208.7 rainfall days, and 1182mm (46.54") of precipitation is accumulated.Daylight
In Lucala, the average length of the day in September is 12h and 3min.On the first day of the month, sunrise is at 06:05 and sunset at 18:01. On the last day of September, sunrise is at 05:48 and sunset at 17:59 WAT.
Sunshine
The average sunshine in September is 8.4h.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index in Lucala. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 6 in September translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lucala, 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
Lucala, 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
Lucala, 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
Lucala, 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
Lucala, 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
Lucala, 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
Lucala, 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
Lucala, 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
Lucala, 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
Lucala, 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
Lucala, 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).





