September weather forecastTango, Angola
September
Weather in September
The first month of the spring, September, is also a hot month in Tango, Angola, with an average temperature ranging between max 30.2°C (86.4°F) and min 18°C (64.4°F).Temperature
September's climate shows a minor adjustment in average high-temperatures to a still tropical 30.2°C (86.4°F) from August's 31.3°C (88.3°F). Tango notes a substantial temperature decline from the daytime peaks throughout September, with an average nighttime temperature of 18°C (64.4°F).Heat index
For September, the heat index is computed to be a very hot 36°C (96.8°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.The standards for the heat index are set for locations in shade and under light breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. 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 babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
The average relative humidity in September is 70%.Rainfall
In Tango, in September, it is raining for 24.6 days, with typically 82mm (3.23") of accumulated precipitation. In Tango, during the entire year, the rain falls for 261.7 days and collects up to 1536mm (60.47") of precipitation.Daylight
In Tango, the average length of the day in September is 12h and 4min.On the first day of the month, sunrise is at 05:58 and sunset at 17:56. On the last day of September, sunrise is at 05:42 and sunset at 17:52 WAT.
Sunshine
With an average of 8.6h of sunshine, September has the most sunshine of the year.UV index
April through September, with an average maximum UV index of 6, are months with the highest UV index in Tango. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 6 suggests this advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tango, Angola
- Average high temperature in September: 30.2°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is December (24.9°C).
- Average low temperature in September: 18°C
The month with the highest average low temperature is October (18.5°C).
The coldest month (with the lowest average low temperature) is July (15.8°C).
Average pressure in September
Tango, Angola
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is June (1014mbar).
The month with the lowest atmospheric pressure is February (1011.3mbar).
Average wind speed in September
Tango, Angola
- Average wind speed in September: 7.2km/h
The windiest month (with the highest average wind speed) is August (7.9km/h).
The calmest month (with the lowest average wind speed) is April (5.4km/h).
Average humidity in September
Tango, Angola
- Average humidity in September: 70%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is July (54%).
Average rainfall in September
Tango, Angola
- Average rainfall in September: 82mm
The wettest month (with the highest rainfall) is October (229mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in September
Tango, Angola
- Average rainfall days in September: 24.6 days
The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is July (2.2 days).
Average daylight in September /
Average sunshine in September
Tango, Angola
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is September (Average sunshine: 8h and 36min).
The months with the least sunshine are April and November (Average sunshine: 6h and 18min).
Average sunshine days in September
Tango, Angola
- Average sunshine days in September: 3.7 days
The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is December (0.1 days).
Average UV index in September
Tango, Angola
- Average UV index in September: 6
The months with the highest UV index are April, May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 5).
Average cloud cover in September
Tango, Angola
- Average cloud cover in September: 37
The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in September
Tango, Angola
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, November and December (6km).





