September Weather in Walvis Bay, Namibia

Last updated: August 31, 2025

In September, Walvis Bay, Namibia experiences a delightful transition into spring, characterized by mild temperatures that range from a pleasant minimum of 8°C (48°F) to a warm maximum of 28°C (82°F). The average temperature hovers around 14°C (58°F), providing a comfortable climate for outdoor activities. Interestingly, the month sees a low precipitation level of just 2 mm (0.1 in), with zero rainy days, making it an ideal time for exploration. With humidity levels at 64%, visitors can expect a refreshing atmosphere, perfect for enjoying the stunning landscapes and unique attractions of this coastal gem.

September Temperature in Walvis Bay

As September rolls into Walvis Bay, Namibia, the coastal climate begins to show subtle shifts, signaling the transition into spring. This month, temperatures range from a cool 8°C (48°F) at night to a comfortable 28°C (82°F) during the day, with an average temperature of 14°C (58°F). It’s a time when the warmth starts to creep in, yet the evenings still invite a light jacket. Compared to the chillier August, September offers an uplift, with daily highs mirroring those of previous months while the nights remain relatively cool. Overall, the changing temperatures create a refreshing atmosphere, perfect for exploration and enjoying the region's stunning landscapes.

September Weather in Walvis Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Walvis Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Walvis Bay, 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).
JanFebMarAprMayJunJulAugSepOctNovDec656666656563635957606163
Data source: Temperature data for Walvis Bay 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 Walvis Bay

In September, Walvis Bay continues its prevalent dry spell, receiving a modest 2 mm (0.1 in) of precipitation, mirroring the amounts recorded in October, November, and December. This slight uptick is typical for the region, which remains predominantly arid with no recorded precipitation days throughout the month. The gradual shifts from the more parched winter months of June through August, where rainfall barely registered, hint at a subtle transition as the city approaches its rainy season. Nonetheless, the overall trend of minimal rainfall underscores Walvis Bay's reputation as a dry yet captivating coastal destination.

September Precipitation Trends in Walvis Bay

The chart displays monthly precipitation patterns in Walvis Bay, 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 Walvis Bay, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec744221112222
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Walvis Bay

In Walvis Bay, Namibia, September marks a noticeable dip in humidity levels, dropping to 64%—the lowest recorded in the year. This gradual decline from a high of 80% in March signals the transition from the wet season to drier months. Following a peak in early spring, where humidity begins to wane, September sets the stage for the more arid conditions that characterize the upcoming season. This trend highlights Walvis Bay's climate evolution, with humidity generally decreasing from mid-year until the end of summer, offering a refreshing contrast to the typically higher levels in the early months. As October approaches, a slight uptick in humidity is anticipated, hinting at the seasonal shifts that define this coastal region's unique weather patterns.

September Average Humidity in Walvis Bay

This chart illustrates the average monthly humidity levels in Walvis Bay, 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 Walvis Bay is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%77%80%78%77%71%67%66%64%66%67%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Walvis Bay

In September, Walvis Bay experiences a UV Index of 11, placing it in the extreme exposure category with a burn time of just 10 minutes. As winter gives way to spring, UV levels begin to rise, mirroring the patterns established in prior months. This trend of increasing UV intensity is consistent, with the UV Index peaking at 14 in January and February, before gradually tapering down to 8 in May and August. However, as September rolls in, residents and visitors alike should remain vigilant, as caution is necessary with such high levels of UV radiation. For detailed monthly insights, check out the full report on Walvis Bay UV Index.

Maximum UV Index Levels in Walvis Bay for September

The chart shows the monthly maximum UV Index (UVI) for Walvis Bay 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 Walvis Bay typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14141211866811121314
Data source: Walvis Bay 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 Walvis Bay

As September dawns in Walvis Bay, Namibia, the coastal town basks in an impressive 332 hours of sunshine, encapsulating the joyful transition from winter to spring. This month reflects a delightful consistency in sunshine hours, slightly trailing behind August's 333 hours, yet perfectly aligning with the upward trend toward summer. The steady increase witnessed during the latter half of the year is clear, showing a marked rise from the 310 hours recorded in June to 392 hours in December. As daylight hours lengthen, the vibrant atmosphere of Walvis Bay is invigorated, inviting both locals and visitors to embrace the beauty and warmth that the sun brings.

Monthly Sunshine Duration in Walvis Bay: September Highlighted

The September sunshine duration represents the total number of hours Walvis Bay 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.
JanFebMarAprMayJunJulAugSepOctNovDec308h330h354h329h326h310h321h333h332h366h372h392h
Data source: Walvis Bay September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Walvis Bay During September

In Walvis Bay, Namibia, the prospects for sunny weather in September are quite favorable, with a 77% chance of sunshine. This month follows a peak in sunny days during the winter months, specifically July and June, where the chances soar to 95% and 88%, respectively. As spring approaches in September, the likelihood of sunny weather slightly dips from the vibrant summer months but remains comfortably above the historical averages seen earlier in the year. This steady trend suggests that visitors can still expect plenty of bright days in September, making it an excellent time to enjoy Walvis Bay's stunning coastal landscapes.

Percentage of Sunny Days in September in Walvis Bay

The chart illustrates the percentage of sunny days in Walvis Bay 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 Walvis Bay experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%58%72%82%88%88%95%79%77%69%72%83%
Data source: Walvis Bay September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Walvis Bay in September

As September arrives in Walvis Bay, Namibia, daylight begins to stabilize after a gradual transition through the winter months. With 11 hours of daylight, this month marks a subtle upswing in brightness, echoing the increasing light that characterizes the approaching summer. Following several months of shorter days, September offers a refreshing balance that paves the way for a return to the more extended days of October and November, both boasting 12 and 13 hours of daylight, respectively. This trend not only enhances outdoor experiences but also highlights the region's unique climatic rhythm, making September a delightful time to enjoy the coastal beauty before the summer sun fully takes hold.

Average Daylight Hours in Walvis Bay for September

The chart illustrates the variation in daylight duration in Walvis Bay throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 20m12h 50m12h 11m11h 31m10h 59m10h 44m10h 52m11h 20m11h 57m12h 37m13h 12m13h 30m
Data source: Walvis Bay daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Walvis Bay

As September arrives in Walvis Bay, Namibia, the winds present a gentle yet invigorating breath of fresh air, averaging 4.7 m/s (10 mph). This steady wind speed marks a slight increase from the preceding months, reflecting an overall pattern of increasing breeze as the year transitions toward the energetic summer months. Following a peak in July at 5.5 m/s (12 mph), September maintains a consistent flow of winds, allowing for comfortable outdoor activities while hinting at the promise of more dynamic breezes to come in the following months. As autumn whispers through the coastal town, the tides of wind play a vital role in shaping the vibrant atmosphere of Walvis Bay, inviting both locals and travelers to embrace the refreshing coastal charm.

Average September Wind Speed in Walvis Bay

The chart displays monthly wind speed patterns in Walvis Bay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.94.35.14.74.55.54.64.7 m/s4.44.74.4
Data source: Walvis Bay September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Walvis Bay Compares to Other Months

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

In September, the weather in Walvis Bay features a mild range of temperatures, with a minimum of 8°C (48°F), an average of 14°C (58°F), and a maximum of 28°C (82°F). The month is characterized by low precipitation, with only 2 mm (0.1 in) recorded and 0 days of rainfall, resulting in humidity levels around 64%. In contrast, January offers slightly warmer conditions, starting at a minimum of 14°C (57°F) and peaking at 28°C (83°F), with an average temperature of 18°C (66°F). Precipitation increases to 7 mm (0.3 in), though still with no rainy days, and humidity rises to 75%. For more details about January weather, check out Walvis Bay weather in January.

In comparing the weather of September and February, it’s clear that February tends to be warmer and more humid. September experiences a minimum temperature of 8°C (48°F) and an average of 14°C (58°F), with a maximum reaching 28°C (82°F). In contrast, February offers a milder minimum temperature of 14°C (58°F) and a slightly higher average of 19°C (67°F), peaking at 26°C (78°F). Additionally, while both months see minimal precipitation, February has slightly more at 4 mm (0.2 in) compared to September's mere 2 mm (0.1 in), and February also boasts a higher humidity level at 77% versus September's 64%. For more detailed information about February weather, you can visit Walvis Bay weather in February.

In comparing the weather of September and March, September offers cooler temperatures with a minimum of 8°C (48°F) and an average of 14°C (58°F), while March begins with a milder minimum of 14°C (57°F) and an average of 19°C (66°F). Although both months experience low precipitation, March sees slightly higher rainfall at 4 mm (0.2 in) compared to September's 2 mm (0.1 in). Humidity levels are also higher in March at 80%, compared to September's 64%. For a detailed look at March conditions, you can visit Walvis Bay weather in March.

When comparing the weather in September and April, a noticeable difference in temperature and humidity can be observed. September typically features a more moderate temperature range, with a minimum of 8°C (48°F), an average of 14°C (58°F), and a maximum of 28°C (82°F). In contrast, April brings significantly warmer conditions, characterized by a minimum of 11°C (53°F), an average of 18°C (65°F), and a high that can reach up to 36°C (96°F). While both months experience minimal precipitation of just 2 mm (0.1 in) and zero rainy days, April has higher humidity levels at 78% compared to September's 64%. For more details on April's climate, you can check Walvis Bay weather in April.

In September, the weather tends to be cooler with temperatures ranging from a minimum of 8°C (48°F) to a maximum of 28°C (82°F), resulting in a pleasant average of 14°C (58°F) and moderate humidity at 64%. In contrast, May sees warmer temperatures, with minimums of 10°C (51°F) and maximums of 34°C (94°F), leading to a higher average of 18°C (65°F) and increased humidity at 77%. Both months experience minimal precipitation, with only 2 mm (0.1 in) and no rainy days recorded. For a closer look at the weather specifics in May, visit Walvis Bay weather in May.

When comparing the weather in September and June, we observe noticeable differences in temperature and humidity. September features a minimum temperature of 8°C (48°F) and an average of 14°C (58°F), peaking at 28°C (82°F). In contrast, June starts slightly warmer with a minimum of 10°C (51°F) and an average of 17°C (64°F), reaching up to 31°C (87°F). While both months have very low precipitation—September with 2 mm and June with just 1 mm—it's evident that June tends to be warmer overall. Additionally, June has a higher humidity level at 71% compared to September's 64%, contributing to a more humid feel during the early winter month. For more detailed insights into June weather, check out Walvis Bay weather in June.

In comparing the weather of September and July, we see that July tends to be slightly warmer overall, with average temperatures reaching 17°C (64°F) compared to September's 14°C (58°F). The maximum temperatures also reflect this trend, with July peaking at 31°C (88°F) versus September's 28°C (82°F). Both months experience minimal precipitation, but September has slightly higher humidity at 64%, compared to July's 67%. Interestingly, both months enjoy dry conditions, with no recorded precipitation days. For more details on July weather, you can visit Walvis Bay weather in July.

In comparing the weather of September and August, notable differences emerge. September experiences a slightly lower average temperature of 14°C (58°F), compared to August's average of 15°C (59°F). The maximum temperature in September peaks at 28°C (82°F), significantly cooler than August’s high of 34°C (94°F). Both months have minimal precipitation, with September receiving 2 mm (0.1 in) and August just 1 mm (0.0 in), and neither month sees any rainy days. Humidity levels are relatively consistent, with September at 64% and August at 66%. For more detailed insights into August's weather specifics, check Walvis Bay weather in August.

In September, the weather features a minimum temperature of 8°C (48°F) and an average of 14°C (58°F), peaking at a maximum of 28°C (82°F) with a low humidity of 64%. Meanwhile, October brings slightly milder temperatures, starting at a minimum of 9°C (49°F) and averaging 15°C (60°F), reaching a maximum of 29°C (84°F). Both months record minimal precipitation, with just 2 mm (0.1 in) and no rainy days. However, October experiences a slight increase in humidity to 66%. For more details, you can explore Walvis Bay weather in October.

In September, the weather is characterized by a wide temperature range, with minimums around 8°C (48°F) and maximums reaching up to 28°C (82°F), resulting in an average of 14°C (58°F). The humidity sits at 64%, and there is little to no precipitation during the month. In contrast, November experiences slightly warmer temperatures, with a minimum of 12°C (53°F) and an average of 16°C (61°F), while the maximums also hover around 27°C (81°F). The humidity increases marginally to 67%, but like September, November also sees negligible precipitation, totaling just 2 mm (0.1 in) over the month. For more detailed insights, you can check the Walvis Bay weather in November.

In September, the weather is characterized by a broader temperature range, with minimums as low as 8°C (48°F) and maximums reaching up to 28°C (82°F), while average temperatures settle around 14°C (58°F). The month remains quite dry, with no recorded precipitation and a humidity level of 64%. In contrast, December presents milder conditions, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 22°C (72°F), and a slightly warmer average of 17°C (63°F). Also dry with no precipitation, December sees a higher humidity level at 72%. Both months are dry, but December tends to be more temperate, making it an attractive time to visit. For more details about December weather in Walvis Bay, visit Walvis Bay weather in December.

Compare Walvis Bay's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Walvis Bay

As the winter months fade, September brings a delightful transition in Walvis Bay's weather, with pleasantly mild temperatures revitalizing the coastal landscape. This month stands out for its remarkably low precipitation, ensuring sun-filled days and clear skies; perfect for outdoor activities. With humidity at a comfortable 64%, visitors can enjoy the balmy climate without the extremes often experienced in other seasons. Whether you're exploring the vibrant surroundings or simply soaking in the sun, Walvis Bay in September offers an inviting escape unlike any other month. For more insights into the region's weather patterns, check out Walvis Bay Climate.