September weather forecastMongua, Angola
September
Weather in September
The first month of the spring, September, is also a hot month in Mongua, Angola, with temperature in the range of an average low of 17.2°C (63°F) and an average high of 34.6°C (94.3°F).Temperature
As September arrives, a slight rise in the average high-temperature is observed, moving from 30.8°C (87.4°F) in August to a still hot 34.6°C (94.3°F). Throughout September, Mongua braces for a considerable drop from daytime highs, with an average low-temperature of 17.2°C (63°F).Humidity
September is the least humid month, with an average relative humidity of 18%.Rainfall
January through April, September through December are months with rainfall. September is the first month it rains in Mongua. Throughout September, in the average 0.9 rainfall days, it receives 1mm (0.04") of precipitation. In Mongua, during the entire year, the rain falls for 100.8 days and collects up to 379mm (14.92") of precipitation.Daylight
In Mongua, Angola, the average length of the day in September is 12h and 1min.On the first day of the month, sunrise is at 06:04 and sunset at 17:52. On the last day of September, in Mongua, sunrise is at 05:41 and sunset at 17:55 WAT.
Sunshine
August and September, with an average of 10h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index in Mongua are January, September through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 7 in September translates into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mongua, Angola
- Average high temperature in September: 34.6°C
The warmest month (with the highest average high temperature) is October (35.7°C).
The month with the lowest average high temperature is June (26.7°C).
- Average low temperature in September: 17.2°C
The month with the highest average low temperature is November (23.3°C).
The coldest month (with the lowest average low temperature) is July (11.3°C).
Average pressure in September
Mongua, Angola
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is December (1009.5mbar).
Average wind speed in September
Mongua, Angola
- Average wind speed in September: 12.6km/h
The windiest month (with the highest average wind speed) is July (13.1km/h).
The calmest month (with the lowest average wind speed) is February (9.4km/h).
Average humidity in September
Mongua, Angola
- Average humidity in September: 18%
The month with the highest relative humidity is March (55%).
The month with the lowest relative humidity is September (18%).
Average rainfall in September
Mongua, Angola
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is January (83mm).
The driest months (with the least rainfall) are May, June, July and August (0mm).
Average rainfall days in September
Mongua, Angola
- Average rainfall days in September: 0.9 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is July (0 days).
Average daylight in September /
Average sunshine in September
Mongua, Angola
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in September: 10h and 0min
The months with the most sunshine are August and September (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 9h and 12min).
Average sunshine days in September
Mongua, Angola
- Average sunshine days in September: 28.6 days
The month with the most sunshine days is July (31 days).
The month with the least sunshine days is March (10 days).
Average UV index in September
Mongua, Angola
- Average UV index in September: 7
The months with the highest UV index are January, September, October, November and December (UV index 7).
The months with the lowest UV index are June and July (UV index 5).
Average cloud cover in September
Mongua, Angola
- Average cloud cover in September: 4
The month with the most cloud cover is March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 1).
Average visibility in September
Mongua, Angola
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





