September weather forecastZavula, Angola
September
Weather in September
September, the first month of the spring in Zavula, is also a hot month, with an average temperature fluctuating between 19.5°C (67.1°F) and 31.4°C (88.5°F).Temperature
The shift to September signals an average high-temperature of a still tropical 31.4°C (88.5°F), subtly varied from August's 32°C (89.6°F). In Zavula, the average nighttime temperature during September is an enjoyable 19.5°C (67.1°F).Heat index
For most parts of September, the heat index is calculated to be a sweltering 37°C (98.6°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Heat index details are generally centered around shaded locations and a mild breeze. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
The average relative humidity in September is 64%.Rainfall
In Zavula, during September, the rain falls for 11.3 days and regularly aggregates up to 16mm (0.63") of precipitation. Throughout the year, there are 208.7 rainfall days, and 1182mm (46.54") 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 06:02 and sunset at 17:58. On the last day of September, sunrise is at 05:45 and sunset at 17:56 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. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 6 in September translates into these instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Zavula, 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
Zavula, 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
Zavula, 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
Zavula, 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
Zavula, 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
Zavula, 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
Zavula, 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
Zavula, 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
Zavula, 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
Zavula, 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
Zavula, 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).
