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
A minor escalation in the average high-temperature is seen with the onset of September, moving from a tropical 31.3°C (88.3°F) in August to a still hot 34.9°C (94.8°F). The nighttime temperature in Lumai during September displays a significant divergence from daily peaks, averaging at a refreshing 17.2°C (63°F).Humidity
The least humid month in Lumai, Angola, is September, with an average relative humidity of 26%.Rainfall
January through April, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 1.2 rainfall days, it receives 1mm (0.04") of precipitation. Throughout the year, in Lumai, there are 142.6 rainfall days, and 664mm (26.14") of precipitation is accumulated.Daylight
In Lumai, the average length of the day in September is 12h and 2min.On the first day of the month, sunrise is at 05:39 and sunset at 17:30. On the last day of September, sunrise is at 05:18 and sunset at 17:31 WAT.
Sunshine
In September, the average sunshine in Lumai is 10h.UV index
The months with the highest UV index are September and October, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: In September, an average UV index of 7 transforms into the following instructions:
Guard against overexposure. Protection from sun-induced harm is essential. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Lumai in September?
What is the least humid month in Lumai?
What is the average humidity in September in Lumai?
When does it start to rain in Lumai?
How many hours of daylight does Lumai have in September?
What time are sunrise and sunset in September in Lumai?
How many hours of sunshine does Lumai have in September?
What are the months with the highest UV index in Lumai?
What is the UV index intensity in September in Lumai?
Average temperature in September
Lumai, Angola
- Average high temperature in September: 34.9°C
The warmest month (with the highest average high temperature) is October (35°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 October (20.3°C).
The coldest month (with the lowest average low temperature) is July (11.3°C).
Average pressure in September
Lumai, Angola
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is July (1017.8mbar).
The month with the lowest atmospheric pressure is October (1009.7mbar).
Average wind speed in September
Lumai, Angola
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is August (11.1km/h).
The calmest month (with the lowest average wind speed) is March (7.1km/h).
Average humidity in September
Lumai, Angola
- Average humidity in September: 26%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is September (26%).
Average rainfall in September
Lumai, Angola
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is February (136mm).
The driest months (with the least rainfall) are May, June, July and August (0mm).
Average rainfall days in September
Lumai, Angola
- Average rainfall days in September: 1.2 days
The month with the highest number of rainy days is December (26.3 days).
The month with the least rainy days is June (0.2 days).
Average daylight in September /
Average sunshine in September
Lumai, Angola
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is November (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 7h and 48min).
Average sunshine days in September
Lumai, Angola
- Average sunshine days in September: 28.3 days
The month with the most sunshine days is July (30.9 days).
The month with the least sunshine days is December (3.7 days).
Average UV index in September
Lumai, Angola
- Average UV index in September: 7
The months with the highest UV index are September and October (UV index 7).
The month with the lowest UV index is June (UV index 5).
Average cloud cover in September
Lumai, Angola
- Average cloud cover in September: 3
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 2).
Average visibility in September
Lumai, 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).
