September weather forecastBelas, Angola

September

Weather in September

The first month of the spring, September, is also a moderately hot month in Belas, Angola, with an average temperature fluctuating between 21.7°C (71.1°F) and 26.2°C (79.2°F).

Temperature

Belas's weather, upon September's arrival, documents an average high-temperature of a still warm 26.2°C (79.2°F), nearly identical to the prior month. Belas maintains an average low-temperature of 21.7°C (71.1°F) throughout September's nights.

Humidity

The average relative humidity in September is 78%.

Rainfall

In September, the rain falls for 12.3 days. Throughout September, 12mm (0.47") of precipitation is accumulated. In Belas, during the entire year, the rain falls for 158.7 days and collects up to 456mm (17.95") of precipitation.

Daylight

In Belas, the average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 06:09 and sunset at 18:05. On the last day of September, sunrise is at 05:51 and sunset at 18:02 WAT.

Sunshine

In September, the average sunshine in Belas is 9h.

UV index

The months with the lowest UV index in Belas are June through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

In Belas, 26.2°C (79.2°F) is the average high-temperature and 21.7°C (71.1°F) is the average low-temperature during September. In June, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is appraised at 31°C (87.8°F).

In Belas, Angola, the average relative humidity in September is 78%.

In September, in Belas, the rain falls for 12.3 days. Throughout September, 12mm (0.47") of precipitation is accumulated.

In Belas, the average day length in September is 12h and 4min.

In September, on the first day of the month, sunrise is at 06:09 and sunset at 18:05. On the last day of the month, sunrise is at 05:51 and sunset at 18:02 WAT.

In September, the average sunshine duration is 9h.

The months with the lowest UV index in Belas are June through September, with an average maximum UV index of 6.

In Belas, Angola, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Belas, Angola

  • Average high temperature in September: 26.2°C

The warmest month (with the highest average high temperature) is March (30.8°C).
The month with the lowest average high temperature is August (25.3°C).

  • Average low temperature in September: 21.7°C

The month with the highest average low temperature is March (26°C).
The coldest month (with the lowest average low temperature) is July (20.2°C).

Average pressure in September
Belas, Angola

  • Average pressure in September: 1013.5mbar

The month with the highest atmospheric pressure is July (1014.6mbar).
The month with the lowest atmospheric pressure is February (1010.1mbar).

Average wind speed in September
Belas, Angola

  • Average wind speed in September: 11.8km/h

The windiest month (with the highest average wind speed) is October (12.7km/h).
The calmest months (with the lowest average wind speed) are April and May (10.4km/h).

Average humidity in September
Belas, Angola

  • Average humidity in September: 78%

The months with the highest relative humidity are April and May (80%).
The month with the lowest relative humidity is February (75%).

Average rainfall in September
Belas, Angola

  • Average rainfall in September: 12mm

The wettest month (with the highest rainfall) is April (89mm).
The driest months (with the least rainfall) are June and July (2mm).

Average rainfall days in September
Belas, Angola

  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is April (22 days).
The month with the least rainy days is June (2.4 days).

Average daylight in September /
Average sunshine in September
Belas, Angola

  • Average daylight in September: 12h and 6min

The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 36min).

  • Average sunshine in September: 9h and 0min

The months with the most sunshine are January and December (Average sunshine: 9h and 18min).
The month with the least sunshine is June (Average sunshine: 7h and 6min).

Average sunshine days in September
Belas, Angola

  • Average sunshine days in September: 9.3 days

The month with the most sunshine days is June (22.2 days).
The month with the least sunshine days is October (3.5 days).

Average UV index in September
Belas, Angola

  • Average UV index in September: 6

The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The months with the lowest UV index are June, July, August and September (UV index 6).

Average cloud cover in September
Belas, Angola

  • Average cloud cover in September: 44

The month with the most cloud cover is October (Cloud cover 52).
The month with the least cloud cover is May (Cloud cover 24).

Average visibility in September
Belas, Angola

  • Average visibility in September: 10km

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