September Weather in Luanda, Angola

Last updated: August 21, 2025

September in Luanda, Angola, offers a pleasant climate characterized by mild temperatures and moderate humidity. With daily highs reaching a comfortable 29°C (84°F) and lows around 19°C (67°F), residents and visitors alike can enjoy the warm weather without the oppressive heat. Rainfall is minimal, with an average precipitation of just 6 mm (0.2 in) spread over a mere day, allowing for plenty of opportunities to explore the city’s vibrant culture. Humidity levels hover around 72%, adding a subtle tropical touch to the air, making September an ideal time to experience Luanda’s unique charm.

September Temperature in Luanda

In September, Luanda experiences a gentle transition as temperatures begin to cool slightly from the winter months. The minimum temperature hovers around 19°C (67°F), providing a comfortable start to the mornings, while the average daytime temperature reaches 23°C (74°F), ideal for outdoor activities. With a maximum of 29°C (84°F), the afternoons remain pleasantly warm, making this month a delightful time for exploration. Comparatively, September's temperatures mark a gradual rise from the cooler air of July and August, signaling the approach of warmer months ahead. Overall, this period invites both residents and visitors to enjoy the city’s vibrant culture under a mostly sunny sky.

September Weather in Luanda: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Luanda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Luanda, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec818282818075727274778080
Data source: Temperature data for Luanda generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Luanda

In September, Luanda experiences a continuation of its dry spell, with precipitation amounting to only 6 mm (0.2 inches), mirroring the minimal rainfall of August. This month remains largely arid, characterized by just one day of rain, reflecting a trend that begins in the dry season from June onwards. As the city transitions into October, residents can anticipate a slight uptick in rainfall, with precipitation expected to rise to 20 mm (0.8 inches). Overall, September serves as a bridge between the stark dryness of winter and the emerging rains of spring, offering a brief respite before the wetter months return.

September Precipitation Trends in Luanda

The chart displays monthly precipitation patterns in Luanda, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Luanda, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5351799392266204627
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Luanda

In September, Luanda experiences a notable dip in humidity, dropping to 72%, a refreshing change from the consistently high levels throughout the year. This month marks a transition, where humidity levels begin to decline from the peak of 87% in June and remain significantly lower than the 86% observed from January to April. The downward trend continues into October, with humidity decreasing further to 71%, indicating the onset of a drier season. Overall, September serves as a pivotal month, bridging the humid peak of winter with the drier conditions of the upcoming months, providing a more comfortable atmosphere for residents and visitors alike.

September Average Humidity in Luanda

This chart illustrates the average monthly humidity levels in Luanda, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Luanda is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%86%86%87%85%82%72%71%81%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Luanda

September in Luanda, Angola, sees a notable UV Index of 10, placing it in the very high exposure category with a burn time of just 15 minutes. This continuation of elevated UV levels highlights the region's persistent exposure to intense sunlight, especially following peaks in earlier months like January through April, where the index frequently reached 14. As the year transitions, September represents a slight decrease from the extreme conditions earlier in the year, but caution is still advised when enjoying outdoor activities. Staying informed and protected is essential to safely bask in Luanda's vibrant outdoor scenes. For more detailed information, visit Luanda UV Index.

Maximum UV Index Levels in Luanda for September

The chart shows the monthly maximum UV Index (UVI) for Luanda in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Luanda typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141314131198810121313
Data source: Luanda September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Luanda

As the warmth of September settles over Luanda, the city basks in approximately 287 hours of sunshine, marking a gentle transition from the sun-drenched months of earlier in the year. Following the peak brightness of May, which boasts a dazzling 331 hours, September shows a slight dip, yet remains comfortably vibrant. This trend suggests that while the intensity of sunlight may be easing, the allure of Luanda's warm climate continues to make it a haven for outdoor enthusiasts. The consistent sunshine from January to August lays the groundwork for a promising October, as the hours gradually rise again to 310, rekindling the vibrant energy that characterizes this lively coastal city. Each month paints a picture of Luanda's climatic rhythm, inviting both residents and visitors to enjoy its sunlit charm.

Monthly Sunshine Duration in Luanda: September Highlighted

The September sunshine duration represents the total number of hours Luanda experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec270h299h319h307h331h314h304h282h287h310h313h332h
Data source: Luanda September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Luanda During September

As September rolls into Luanda, Angola, residents and visitors can expect a notable 50% chance of sunny weather, signaling a shift towards more enjoyable conditions as the city transitions out of winter. This month marks a slight increase compared to the previous months in which sunshine was less frequent, especially evident from the low percentages seen in winter months like July and August. September’s outlook aligns with the broader trend of increasing chances of sun leading into the warmer months, offering a pleasant balance that appeals to both locals and tourists alike. With this improved likelihood of sunshine, September becomes an inviting bridge to the vibrant and warmer days of the upcoming months.

Percentage of Sunny Days in September in Luanda

The chart illustrates the percentage of sunny days in Luanda throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Luanda experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%30%20%20%53%57%63%46%50%38%31%29%
Data source: Luanda September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Luanda in September

In September, Luanda enjoys a rejuvenating return to 12 hours of daylight, a refreshing shift after several months of shorter days. This month marks a transition as the days lengthen again, echoing the consistent brightening that characterizes much of the year. From January to March, the city basks in the same abundant sunlight, while the middle months of April to August experience a slight dip to 11 hours. As we move into the fall, daylight durations stabilize once more at 12 hours for the remainder of the year, creating a harmonious rhythm that underlines Luanda's vibrant tropical climate. This cyclical pattern not only enhances the city's natural beauty but also invites residents and visitors alike to embrace outdoor experiences throughout the year.

Average Daylight Hours in Luanda for September

The chart illustrates the variation in daylight duration in Luanda throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 33m12h 22m12h 7m11h 53m11h 41m11h 36m11h 38m11h 49m12h 2m12h 17m12h 30m12h 37m
Data source: Luanda daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Luanda

In September, Luanda experiences a gentle breeze, with average wind speeds reaching 2.8 m/s (6 mph), matching the conditions of the preceding months. As the winter months give way to the warmer season, the wind remains fairly consistent, reflecting a slight uptick from the depths of April and May, where gusts dipped to 2.1 m/s (5 mph). The stability of wind patterns hints at the shifting seasonal influences, culminating in a transition that sets the stage for October's slightly stronger winds at 3.1 m/s (7 mph). This gradual increase not only enhances the coastal allure of the city but also signals a lively change in the air, as Luanda prepares to embrace the sunny days ahead with a refreshing touch of September’s wind.

Average September Wind Speed in Luanda

The chart displays monthly wind speed patterns in Luanda, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.92.62.12.32.42.42.62.8 m/s3.12.92.8
Data source: Luanda September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Luanda Compares to Other Months

Weather in Luanda varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Luanda, focusing on differences in temperature, rainfall, humidity, and UV levels.

In September, the weather is generally warm, with average temperatures around 23°C (74°F) and highs reaching up to 29°C (84°F). This month experiences relatively low precipitation, with only 6 mm (0.2 in) falling over just 1 day and humidity levels at 72%. In contrast, January sees even warmer temperatures, with an average of 27°C (81°F) and maximums climbing to 32°C (90°F). However, it is also a wetter month, with 53 mm (2.1 in) of rain over 9 days, and humidity increases to 86%. For more details, check out Luanda weather in January.

September and February present contrasting weather patterns. In September, temperatures typically range from a mild 19°C (67°F) at night to a comfortable 29°C (84°F) during the day, with an average of 23°C (74°F). The month experiences minimal precipitation, with only 6 mm (0.2 in) falling over just one day and humidity levels around 72%. In contrast, February is significantly warmer, with minimum temperatures starting at 23°C (73°F) and peaking at 33°C (92°F), resulting in an average of 28°C (82°F). This month sees a considerable increase in precipitation, totaling 51 mm (2.0 in) spread across seven days, and humidity rises to 86%. For more detailed insights, check Luanda weather in February.

In September, the weather features a mild temperature range with minimums around 19°C (67°F) and averages of 23°C (74°F), reaching a maximum of 29°C (84°F). The month is relatively dry, with only 6 mm (0.2 in) of precipitation occurring over just one day and humidity levels around 72%.

In contrast, March experiences warmer temperatures, with minimums at 23°C (74°F) and averages climbing to 28°C (82°F), peaking at 33°C (91°F). This month is significantly wetter, seeing 79 mm (3.1 in) of rain distributed across 12 days, and the humidity is higher at 86%.

For more detailed information, you can check Luanda weather in March.

When comparing the weather between September and April, there are notable differences in temperature and precipitation. September typically sees a minimum temperature of 19°C (67°F) and an average of 23°C (74°F), with a maximum reaching 29°C (84°F). In this month, precipitation tends to be light, averaging only 6 mm (0.2 in) over just one day and a relative humidity of 72%. In contrast, April experiences warmer temperatures, with a minimum of 21°C (71°F), an average of 27°C (81°F), and a maximum of 32°C (90°F). However, it is much wetter during this month, receiving an average of 93 mm (3.7 in) of rain over about 14 days, along with higher humidity levels at 86%. For more detailed insights into April's weather, you can check Luanda weather in April.

In comparing the weather between September and May, September tends to be slightly cooler with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (84°F), while May features warmer conditions, with temperatures ranging from a minimum of 21°C (69°F) to a maximum of 32°C (91°F). Precipitation levels are relatively low in both months, with September receiving just 6 mm (0.2 in) over one day, compared to May's 9 mm (0.4 in) over two days. Furthermore, humidity is higher in May at 86%, compared to September's 72%, making May feel noticeably more humid. For more detailed information, you can check Luanda weather in May.

In September, the weather features a minimum temperature of 19°C (67°F) and an average of 23°C (74°F), peaking at a maximum of 29°C (84°F). This month sees minimal precipitation, with just 6 mm (0.2 in) over 1 day and a humidity level of 72%. In contrast, June showcases similar minimum temperatures of 19°C (67°F) but boasts a slightly higher average of 24°C (75°F) and a maximum of 30°C (87°F). June is also marked by even lower precipitation, with only 2 mm (0.1 in) and no rainy days, although it experiences higher humidity at 87%. For more details about the weather in June, visit Luanda weather in June.

In comparing the weather of July and September, September tends to be slightly warmer, with average temperatures reaching around 23°C (74°F) compared to July's 22°C (72°F). The maximum temperatures also reflect this difference, peaking at 29°C (84°F) in September versus 27°C (81°F) in July. Additionally, while September sees minimal precipitation with only 6 mm (0.2 in) over one day, July experiences even drier conditions with just 2 mm (0.1 in) and no rainy days. However, July has a higher humidity level at 85%, compared to September's 72%. For more detailed insights on July weather, you can visit Luanda weather in July.

September weather shows a slight warming trend compared to August. The minimum temperature in September is 19°C (67°F), with an average of 23°C (74°F) and a maximum reaching 29°C (84°F), whereas in August, the temperatures range from a minimum of 18°C (65°F) to a maximum of 27°C (81°F) with an average of 22°C (72°F). Both months experience similar low levels of precipitation, with just 6 mm (0.2 in) falling on a single day in each month. However, September tends to be slightly less humid, averaging 72% compared to August's 82%. For more detailed information on August's weather, you can visit Luanda weather in August.

In September, the weather tends to be warm, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (84°F) and an average of 23°C (74°F). Precipitation is minimal, with only 6 mm (0.2 in) of rain falling over just one day, and humidity levels are relatively high at 72%.

In contrast, October brings slightly warmer temperatures, with a minimum of 21°C (70°F), an average of 25°C (78°F), and a peak of 31°C (88°F). However, this month also sees increased precipitation, totaling 20 mm (0.8 in) over four days, while humidity remains fairly stable at 71%.

For a more detailed look at October's weather conditions, you can refer to Luanda weather in October.

In September, the weather is generally warm and pleasant, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (84°F). The month sees little precipitation, averaging only 6 mm (0.2 in) over the course of just one day, and a humidity level of 72%. By contrast, November experiences slightly higher temperatures, with averages from 23°C (73°F) to a maximum of 32°C (89°F). However, November also brings increased rainfall, with a total of 46 mm (1.8 in) spread over 9 days, and humidity rises to 81%, making it feel more humid. For more details, check out Luanda weather in November.

September typically boasts warmer temperatures with a minimum of 19°C (67°F) and average highs around 29°C (84°F), while December sees a notable increase in warmth, with minimums rising to 23°C (74°F) and maximums reaching up to 32°C (90°F). Precipitation in September is quite low at just 6 mm (0.2 in) over one day, contrasting sharply with December's wetter conditions, where 27 mm (1.1 in) of rain falls across eight days. Additionally, humidity levels increase from 72% in September to 83% in December, making the latter month feel more oppressive. For more detailed insights, check out Luanda weather in December.

Compare Luanda's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Luanda

As September arrives in Luanda, the weather begins to shift subtly, providing a delightful transition from the dryness of winter. With an average temperature of 23°C (74°F) and maximums reaching 29°C (84°F), the climate remains pleasantly warm, perfect for outdoor activities. Unlike the earlier months, humidity levels at 72% add a touch of warmth to the air, making the atmosphere feel more tropical. Remarkably, there's only a hint of rain, with just one day of precipitation totaling 6 mm (0.2 in), making it one of the drier periods of the year. This makes September an ideal time for visitors to enjoy Luanda's vibrant atmosphere while experiencing its coastal charm. For more insights into the weather throughout the year, explore our detailed overview of the Luanda Climate.