September weather forecast
Luanda, Angola

September sees a silver lining with a rise in temperature, peaking at 24.4°C (75.9°F). Rainfall remains minimal, with Luanda receiving a scanty 3mm (0.12") amount. Sunshine remains consistent, making outdoor activities a viable choice for locals and tourists alike. The sea temperature sees a slight uptick, hinting at the forthcoming rising trend. As the month proceeds, slight weather changes paint a picture of the ensuing seasons in Luanda.

Temperature

September's onset in Luanda records an average high-temperature of a still warm 24.4°C (75.9°F), a near match to August's 23.3°C (73.9°F). Luanda sustains a near constant temperature throughout September, with nighttime averages of 19.4°C (66.9°F).

Humidity

The average relative humidity in September in Luanda is 80%.

Rainfall

In Luanda, Angola, in September, it is raining for 1 days, with typically 3mm (0.12") of accumulated precipitation. Throughout the year, there are 32 rainfall days, and 325mm (12.8") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature in Luanda is 22.3°C (72.1°F).
Note: For someone sensitive to cold, swimming in 22.3°C (72.1°F) waters can be invigorating, especially when considering elements like sunshine, wind, and current air temperature. (As a reference, Olympic swimming waters are kept between 25°C (77°F) and 28°C (82.4°F).)

Daylight

In Luanda, the average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 06:08 and sunset at 18:05. On the last day of September, in Luanda, sunrise is at 05:51 and sunset at 18:02 WAT.

Sunshine

The months with the least sunshine are July through October, with an average of 5h of sunshine.

UV index

January through April, September through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index value of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 12 in September interprets into the following recommendations:
Put into effect every precaution of importance, unprotected skin and eyes may get burns swiftly. 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. Before heading out, apply sunscreen with 30 SPF or more to avoid sunburn and harmful radiation effects. Attention! UV strength is notably upped by the reflection of sand and water.