September weather forecast
Mbumbua, Angola

September

Weather in September

September, the first month of the spring in Mbumbua, is a hot month, with an average temperature varying between 14.5°C (58.1°F) and 30.5°C (86.9°F).

Temperature

Mbumbua's warmest month, September, registers temperatures that range from a high of 30.5°C (86.9°F) to a low of 14.5°C (58.1°F).

Humidity

The average relative humidity in September is 39%.

Rainfall

January through May, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 5.7 rainfall days, it receives 11mm (0.43") of precipitation. Throughout the year, there are 194 rainfall days, and 1462mm (57.56") of precipitation is accumulated.

Daylight

In Mbumbua, the average length of the day in September is 12h and 2min.
On the first day of September, sunrise is at 06:01 and sunset at 17:53. On the last day of the month, sunrise is at 05:41 and sunset at 17:53 WAT.

Sunshine

September and November, with an average of 9.6h of sunshine, are months with the most sunshine in Mbumbua.

UV index

August and September, 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 hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index, 6 during September, leads to the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

What time of the year is the hottest?
In Mbumbua, temperatures reach their average annual highs in September, measuring 30.5°C (86.9°F) and a minimum average of 14.5°C (58.1°F).
Is it hot during September?
Mbumbua in September has an average high-temperature of 30.5°C (86.9°F) and an average low-temperature of 14.5°C (58.1°F).
What is the average humidity in September?
In Mbumbua, the average relative humidity in September is 39%.
When does it start raining?
September is the first month it rains. Throughout September, in the average 5.7 rainfall days, it receives 11mm (0.43") of precipitation.
How many hours of daylight does Mbumbua have in September?
In Mbumbua, the average day length in September is 12h and 2min.
When is the sunrise / sunset in September?
In September, on the first day of the month, sunrise is at 06:01 and sunset at 17:53. On the last day of the month, sunrise is at 05:41 and sunset at 17:53 WAT.
What is the month with the most sunshine in Mbumbua?
The months with the most sunshine are September and November, with an average of 9.6h of sunshine.
How many hours of sunshine does Mbumbua have in September?
In Mbumbua, the average sunshine duration in September is 9.6h.
What are the months with the highest UV index?
August and September, with an average maximum UV index of 6, are months with the highest UV index.
What is the UV index reading in September?
In Mbumbua, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Mbumbua, Angola
Average temperature in September
Mbumbua, Angola
  • Average high temperature in September: 30.5°C

The warmest month (with the highest average high temperature) is September (30.5°C).
The month with the lowest average high temperature is December (22.9°C).

  • Average low temperature in September: 14.5°C

The month with the highest average low temperature is October (15.9°C).
The coldest month (with the lowest average low temperature) is June (8.9°C).

Average pressure in September - Mbumbua, Angola
Average pressure in September
Mbumbua, Angola
  • Average pressure in September: 1013.3mbar

The month with the highest atmospheric pressure is June (1017.5mbar).
The month with the lowest atmospheric pressure is October (1012.5mbar).

Average wind speed in September - Mbumbua, Angola
Average wind speed in September
Mbumbua, Angola
  • Average wind speed in September: 6.4km/h

The windiest month (with the highest average wind speed) is August (6.9km/h).
The calmest month (with the lowest average wind speed) is December (4.8km/h).

Average humidity in September - Mbumbua, Angola
Average humidity in September
Mbumbua, Angola
  • Average humidity in September: 39%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (30%).

Average rainfall in September - Mbumbua, Angola
Average rainfall in September
Mbumbua, Angola
  • Average rainfall in September: 11mm

The wettest month (with the highest rainfall) is December (281mm).
The driest months (with the least rainfall) are June, July and August (0mm).

Average rainfall days in September - Mbumbua, Angola
Average rainfall days in September
Mbumbua, Angola
  • Average rainfall days in September: 5.7 days

The month with the highest number of rainy days is December (30 days).
The months with the least rainy days are June and July (0.1 days).

Average daylight in September / Average sunshine in September - Mbumbua, Angola
Average daylight in September /
Average sunshine in September
Mbumbua, 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: 9h and 4min

The months with the most sunshine are September and November (Average sunshine: 9h and 36min).
The month with the least sunshine is April (Average sunshine: 6h and 42min).

Average sunshine days in September - Mbumbua, Angola
Average sunshine days in September
Mbumbua, Angola
  • Average sunshine days in September: 21.1 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 - Mbumbua, Angola
Average UV index in September
Mbumbua, Angola
  • Average UV index in September: 6

The months with the highest UV index are August and September (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, October, November and December (UV index 5).

Average cloud cover in September - Mbumbua, Angola
Average cloud cover in September
Mbumbua, Angola
  • Average cloud cover in September: 7

The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 1).

Average visibility in September - Mbumbua, Angola
Average visibility in September
Mbumbua, Angola
  • Average visibility in September: 10km

The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (7km).

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