September weather forecastMutumbo, Angola

September

Weather in September

September, the first month of the spring in Mutumbo, is a tropical month, with temperature in the range of an average low of 15.4°C (59.7°F) and an average high of 30.1°C (86.2°F).

Temperature

September is the warmest month of the year, registering average temperatures as high as 30.1°C (86.2°F) and as low as 15.4°C (59.7°F).

Humidity

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

Rainfall

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

Daylight

The average length of the day in September is 12h and 2min.
On the first day of September, sunrise is at 05:54 and sunset at 17:46. On the last day of the month, sunrise is at 05:33 and sunset at 17:46 WAT.

Sunshine

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

UV index

The months with the highest UV index are August through October, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 6 during September translates into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Updated: Jun 10, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

September, with its average high-temperature of 30.1°C (86.2°F) and an average low-temperature of 15.4°C (59.7°F), holds the record as the warmest month.

The average high-temperature, in September, in Mutumbo, is 30.1°C (86.2°F), while the average low-temperature is 15.4°C (59.7°F).

In September, the average relative humidity is 37%.

In September, the rain falls for 5.4 days. Throughout September, 13mm (0.51") of precipitation is accumulated.

The average day length in September is 12h and 2min.

In September, on the first day of the month, sunrise is at 05:54 and sunset at 17:46. On the last day of the month, sunrise is at 05:33 and sunset at 17:46 WAT.

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

In Mutumbo, the average sunshine duration in September is 9.9h.

The months with the highest UV index are August through October, with an average maximum UV index of 6.

In Mutumbo, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

28.1°C

30.1°C

29.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.6km/h

9.1km/h

8.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

30.2

22.3

6.8

Average UV index

Average cloud cover

22%

Average visibility

10km

9km

Average temperature in September
Mutumbo, 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
Mutumbo, 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
Mutumbo, 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
Mutumbo, 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
Mutumbo, 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
Mutumbo, 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
Mutumbo, 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 54min

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
Mutumbo, 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
Mutumbo, 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).