September weather forecastDembe, Angola
September
Weather in September
September, the first month of the spring in Dembe, is a hot month, with an average temperature fluctuating between 15.4°C (59.7°F) and 30.1°C (86.2°F).Temperature
Dembe's warmest temperatures are experienced in September, with average high temperatures of 30.1°C (86.2°F) and lows of 15.4°C (59.7°F).Humidity
The average relative humidity in September in Dembe is 37%.Rainfall
In Dembe, in September, it is raining for 5.4 days, with typically 13mm (0.51") of accumulated precipitation. Throughout the year, in Dembe, there are 193.2 rainfall days, and 1451mm (57.13") of precipitation is accumulated.Daylight
In Dembe, the average length of the day in September is 12h and 2min.On the first day of the month, sunrise is at 05:54 and sunset at 17:48. On the last day of September, in Dembe, sunrise is at 05:35 and sunset at 17:47 WAT.
Sunshine
With an average of 9.9h of sunshine, September has the most sunshine of the year in Dembe.UV index
The months with the highest UV index in Dembe, Angola, are August through October, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 6 during September translates into the following guidance:
Deflect overexposure. Sun protection is a necessity. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dembe, Angola
- Average high temperature in September: 30.1°C
The warmest month (with the highest average high temperature) is September (30.1°C).
The month with the lowest average high temperature is December (23.2°C).
- Average low temperature in September: 15.4°C
The month with the highest average low temperature is October (16.4°C).
The coldest month (with the lowest average low temperature) is June (8.9°C).
Average pressure in September
Dembe, Angola
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is June (1017.8mbar).
The month with the lowest atmospheric pressure is October (1012.2mbar).
Average wind speed in September
Dembe, Angola
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is August (8.5km/h).
The calmest month (with the lowest average wind speed) is March (6.3km/h).
Average humidity in September
Dembe, Angola
- Average humidity in September: 37%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (29%).
Average rainfall in September
Dembe, Angola
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is December (286mm).
The driest months (with the least rainfall) are June and July (0mm).
Average rainfall days in September
Dembe, Angola
- Average rainfall days in September: 5.4 days
The month with the highest number of rainy days is December (30.5 days).
The month with the least rainy days is July (0.1 days).
Average daylight in September /
Average sunshine in September
Dembe, Angola
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is September (Average sunshine: 9h and 54min).
The months with the least sunshine are June and July (Average sunshine: 7h and 42min).
Average sunshine days in September
Dembe, Angola
- Average sunshine days in September: 22.3 days
The month with the most sunshine days is July (30.9 days).
The month with the least sunshine days is December (0.4 days).
Average UV index in September
Dembe, Angola
- Average UV index in September: 6
The months with the highest UV index are August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, November and December (UV index 5).
Average cloud cover in September
Dembe, Angola
- Average cloud cover in September: 6
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 1).
Average visibility in September
Dembe, Angola
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The month with the lowest visibility is December (6km).





