September weather forecastFernandes, Angola
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Fernandes, Angola, with an average temperature fluctuating between 29.6°C (85.3°F) and 13.7°C (56.7°F).Temperature
Fernandes experiences its highest average temperatures in September, reaching a peak of 29.6°C (85.3°F) and a minimum of 13.7°C (56.7°F).Heat index
The heat index value during September is estimated at a tropical 30°C (86°F). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values remain especially vital for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In September, the average relative humidity in Fernandes, Angola, is 48%.Rainfall
In Fernandes, in September, during 5.2 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, there are 170.5 rainfall days, and 1898mm (74.72") of precipitation is accumulated.Daylight
In Fernandes, the average length of the day in September is 12h and 1min.On the first day of the month, sunrise is at 06:12 and sunset at 18:02. On the last day of September, in Fernandes, sunrise is at 05:50 and sunset at 18:04 WAT.
Sunshine
In Fernandes, the average sunshine in September is 10.9h.UV index
August and September, with an average maximum UV index of 6, are months with the highest UV index in Fernandes. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fernandes, Angola
- Average high temperature in September: 29.6°C
The warmest month (with the highest average high temperature) is September (29.6°C).
The months with the lowest average high temperature are January and March (23.3°C).
- Average low temperature in September: 13.7°C
The month with the highest average low temperature is November (16.5°C).
The coldest months (with the lowest average low temperature) are June and July (10.4°C).
Average pressure in September
Fernandes, Angola
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is July (1016mbar).
The months with the lowest atmospheric pressure are February and November (1011.2mbar).
Average wind speed in September
Fernandes, Angola
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is July (7.9km/h).
The calmest month (with the lowest average wind speed) is February (4.9km/h).
Average humidity in September
Fernandes, Angola
- Average humidity in September: 48%
The month with the highest relative humidity is March (83%).
The month with the lowest relative humidity is August (38%).
Average rainfall in September
Fernandes, Angola
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is March (366mm).
The driest months (with the least rainfall) are June and July (0mm).
Average rainfall days in September
Fernandes, Angola
- Average rainfall days in September: 5.2 days
The month with the highest number of rainy days is March (26.7 days).
The months with the least rainy days are June and July (0.1 days).
Average daylight in September /
Average sunshine in September
Fernandes, Angola
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in September: 10h and 54min
The month with the most sunshine is October (Average sunshine: 11h and 36min).
The month with the least sunshine is March (Average sunshine: 7h and 0min).
Average sunshine days in September
Fernandes, Angola
- Average sunshine days in September: 23.7 days
The month with the most sunshine days is July (30.9 days).
The month with the least sunshine days is March (3.7 days).
Average UV index in September
Fernandes, Angola
- Average UV index in September: 6
The months with the highest UV index are August and September (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, October, November and December (UV index 5).
Average cloud cover in September
Fernandes, Angola
- Average cloud cover in September: 9
The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are June and July (Cloud cover 2).
Average visibility in September
Fernandes, Angola
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January and March (7km).





