September weather forecastColui, Angola
September
Weather in September
The first month of the spring, September, is still a hot month in Colui, Angola, with an average temperature fluctuating between 14.3°C (57.7°F) and 33.2°C (91.8°F).Temperature
Colui's warmest month, September, generally records average temperatures ranging from a high of 33.2°C (91.8°F) to a low of 14.3°C (57.7°F).Humidity
September is the least humid month, with an average relative humidity of 27%.Rainfall
January through May, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 1.7 rainfall days, it receives 2mm (0.08") of precipitation. In Colui, during the entire year, the rain falls for 150.3 days and collects up to 866mm (34.09") of precipitation.Daylight
The average length of the day in September in Colui is 12h and 1min.On the first day of September in Colui, sunrise is at 06:00 and sunset at 17:51. On the last day of the month, sunrise is at 05:39 and sunset at 17:52 WAT.
Sunshine
In Colui, the average sunshine in September is 10h.UV index
The months with the highest UV index in Colui are January through March, August through November, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 6 during September leads to these advisories:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. 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. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Colui, Angola
- Average high temperature in September: 33.2°C
The warmest month (with the highest average high temperature) is September (33.2°C).
The month with the lowest average high temperature is June (25.3°C).
- Average low temperature in September: 14.3°C
The month with the highest average low temperature is November (18.1°C).
The coldest month (with the lowest average low temperature) is July (8.3°C).
Average pressure in September
Colui, Angola
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is July (1018.4mbar).
The month with the lowest atmospheric pressure is October (1010.9mbar).
Average wind speed in September
Colui, Angola
- Average wind speed in September: 9.3km/h
The windiest months (with the highest average wind speed) are August and September (9.3km/h).
The calmest month (with the lowest average wind speed) is December (6.6km/h).
Average humidity in September
Colui, Angola
- Average humidity in September: 27%
The months with the highest relative humidity are February and March (78%).
The month with the lowest relative humidity is September (27%).
Average rainfall in September
Colui, Angola
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is January (180mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in September
Colui, Angola
- Average rainfall days in September: 1.7 days
The month with the highest number of rainy days is December (26.1 days).
The months with the least rainy days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Colui, 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 18min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is February (Average sunshine: 10h and 12min).
The months with the least sunshine are June and July (Average sunshine: 7h and 42min).
Average sunshine days in September
Colui, Angola
- Average sunshine days in September: 26.9 days
The month with the most sunshine days is July (31 days).
The month with the least sunshine days is March (4.2 days).
Average UV index in September
Colui, Angola
- Average UV index in September: 6
The months with the highest UV index are January, February, March, August, September, October and November (UV index 6).
The months with the lowest UV index are April, May, June, July and December (UV index 5).
Average cloud cover in September
Colui, Angola
- Average cloud cover in September: 4
The months with the most cloud cover are March and December (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 1).
Average visibility in September
Colui, Angola
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March and December (8km).
