Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
With average high temperatures of 32.9°C (91.2°F) and lows of 15.8°C (60.4°F), September is the warmest month.Humidity
In Biula, Angola, the average relative humidity in September is 36%.Rainfall
Months with rainfall are January through May, September through December. September is the first month it rains. Throughout September, in the average 5 rainfall days, it receives 7mm (0.28") of precipitation. Throughout the year, there are 182.3 rainfall days, and 1156mm (45.51") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 2min.On the first day of the month, sunrise is at 05:41 and sunset at 17:36. On the last day of September, sunrise is at 05:23 and sunset at 17:34 WAT.
Sunshine
The months with the most sunshine are May, August and September, with an average of 10h of sunshine.UV index
March, April, August through November, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 6 in September translates into this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. 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. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest?
How hot is it in September?
What is the average humidity in September?
When does it start to rain in Biula?
How many hours of daylight does Biula have in September?
When are sunrise and sunset in September?
What are the months with the most sunshine?
How many hours of sunshine does Biula have in September?
What are the months with the highest UV index?
What is the UV index reading in September?
Average temperature in September
Biula, Angola
- Average high temperature in September: 32.9°C
The warmest month (with the highest average high temperature) is September (32.9°C).
The month with the lowest average high temperature is December (25.4°C).
- Average low temperature in September: 15.8°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 (10.4°C).
Average pressure in September
Biula, Angola
- Average pressure in September: 1012mbar
The months with the highest atmospheric pressure are June and July (1017.1mbar).
The month with the lowest atmospheric pressure is October (1010.8mbar).
Average wind speed in September
Biula, Angola
- Average wind speed in September: 7.9km/h
The windiest month (with the highest average wind speed) is July (9.5km/h).
The calmest month (with the lowest average wind speed) is March (6km/h).
Average humidity in September
Biula, Angola
- Average humidity in September: 36%
The month with the highest relative humidity is December (86%).
The month with the lowest relative humidity is August (31%).
Average rainfall in September
Biula, Angola
- Average rainfall in September: 7mm
The wettest month (with the highest rainfall) is December (228mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in September
Biula, Angola
- Average rainfall days in September: 5 days
The month with the highest number of rainy days is December (30 days).
The month with the least rainy days is July (0 days).
Average daylight in September /
Average sunshine in September
Biula, 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 30min).
- Average sunshine in September: 10h and 0min
The months with the most sunshine are May, August and September (Average sunshine: 10h and 0min).
The month with the least sunshine is March (Average sunshine: 7h and 42min).
Average sunshine days in September
Biula, Angola
- Average sunshine days in September: 23 days
The month with the most sunshine days is July (31 days).
The month with the least sunshine days is December (0.8 days).
Average UV index in September
Biula, Angola
- Average UV index in September: 6
The months with the highest UV index are March, April, August, September, October and November (UV index 6).
The months with the lowest UV index are January, February, May, June, July and December (UV index 5).
Average cloud cover in September
Biula, Angola
- Average cloud cover in September: 5
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 2).
Average visibility in September
Biula, 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, March and December (7km).
