September weather forecast
Mussolo, Angola

September

Weather in September

September, the first month of the spring in Mussolo, is a tropical month, with an average temperature ranging between min 15.4°C (59.7°F) and max 30.1°C (86.2°F).

Temperature

With average high and low temperatures of 30.1°C (86.2°F) and 15.4°C (59.7°F) respectively, September is Mussolo's warmest month.

Humidity

In Mussolo, the average relative humidity in September is 37%.

Rainfall

In Mussolo, in September, during 5.4 rainfall days, 13mm (0.51") of precipitation is typically accumulated. In Mussolo, during the entire year, the rain falls for 193.2 days and collects up to 1451mm (57.13") of precipitation.

Daylight

In Mussolo, the average length of the day in September is 12h and 3min.
On the first day of September in Mussolo, sunrise is at 05:52 and sunset at 17:48. On the last day of the month, sunrise is at 05:34 and sunset at 17:46 WAT.

Sunshine

With an average of 9.9h of sunshine, September has the most sunshine of the year.

UV index

August through October, 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 unsafe exposure to UV radiation for the ordinary person.
Note: In September, the maximum UV index of 6 suggests this advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn 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. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

What part of the year is the hottest?
The warmest period is September, when temperatures fluctuate between an average high of 30.1°C (86.2°F) and a low of 15.4°C (59.7°F).
How hot is it in September?
The average high-temperature and low-temperature during September are 30.1°C (86.2°F) and 15.4°C (59.7°F) respectively.
What is the average humidity in September?
The average relative humidity in September is 37%.
How many days does it rain in September?
In Mussolo, in September, it is raining for 5.4 days, with typically 13mm (0.51") of accumulated precipitation.
How many hours of daylight does Mussolo have in September?
In Mussolo, Angola, the average day length in September is 12h and 3min.
When is the sunrise / sunset in September?
On the first day of September, sunrise is at 05:52 and sunset at 17:48. On the last day of the month, sunrise is at 05:34 and sunset at 17:46 WAT.
What month has the most sunshine?
The month with the most sunshine is September, with an average of 9.9h of sunshine.
How long on average sun shines in September?
In Mussolo, the average sunshine duration in September is 9.9h.
When is the highest UV index?
The months with the highest UV index are August through October, with an average maximum UV index of 6.
What is the UV index reading in September?
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Mussolo, 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
Mussolo, 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
Mussolo, 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
Mussolo, 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
Mussolo, 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
Mussolo, 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
Mussolo, Angola
  • Average daylight in September: 12h and 1min

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).

  • Average sunshine in September: 9h and 5min

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
Mussolo, 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
Mussolo, 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
Mussolo, 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
Mussolo, 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).

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