September weather forecastUssito, Angola

September

Weather in September

The first month of the spring, September, is a hot month in Ussito, Angola, with an average temperature ranging between min 14.5°C (58.1°F) and max 30.5°C (86.9°F).

Temperature

The highest temperatures are recorded in September, with averages reaching a high of 30.5°C (86.9°F) and a low of 14.5°C (58.1°F).

Humidity

The average relative humidity in September in Ussito is 39%.

Rainfall

Months with rainfall are January through May, September through December. September is the first month it rains. Throughout September, in the average 5.7 rainfall days, it receives 11mm (0.43") of precipitation. In Ussito, during the entire year, the rain falls for 194 days and collects up to 1462mm (57.56") of precipitation.

Daylight

In September, the average length of the day is 12h and 2min.
On the first day of the month, sunrise is at 06:01 and sunset at 17:54. On the last day of September, 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.

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 average individuals.
Note: The daily high UV index of 6 during September translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

September is the month when Ussito experiences its warmest temperatures, averaging a high of 30.5°C (86.9°F) and a low of 14.5°C (58.1°F).

September temperatures in Ussito vary between a high-temperature of 30.5°C (86.9°F) and a low-temperature of 14.5°C (58.1°F).

The average relative humidity in September is 39%.

September is the first month it rains. Throughout September, in the average 5.7 rainfall days, it receives 11mm (0.43") of precipitation.

In Ussito, the average day length in September is 12h and 2min.

On the first day of September, sunrise is at 06:01 and sunset at 17:54. On the last day of the month, sunrise is at 05:41 and sunset at 17:53 WAT.

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

The average sunshine duration in September is 9.6h.

August and September, with an average maximum UV index of 6, are months with the highest UV index.

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ussito, 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
Ussito, 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
Ussito, 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
Ussito, 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
Ussito, 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
Ussito, 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
Ussito, 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 24min).

  • Average sunshine in September: 9h and 36min

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
Ussito, 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
Ussito, 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
Ussito, 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
Ussito, 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).