September Weather in Swakopmund, Namibia

Last updated: August 31, 2025

Swakopmund, Namibia in September boasts warm temperatures with a maximum of 34°C (93°F) and a comfortable average of 15°C (58°F), making it an ideal time for outdoor exploration. The minimum temperature drops to a brisk 8°C (46°F), so layering is advisable for those cooler evenings. Remarkably, the month experiences practically no rainfall, with only 1 mm (0.0 in) recorded across zero precipitation days, ensuring plenty of sunshine. The humidity level hovers around 64%, adding a pleasant feel to the coastal air. Overall, September in Swakopmund is characterized by dry, warm weather, perfect for enjoying the scenic landscapes and vibrant local culture.

September Temperature in Swakopmund

In September, Swakopmund experiences a gentle transition as winter wanes, with temperatures becoming noticeably milder. The month opens with minimums around 8°C (46°F), providing a crisp start to the days, while average highs reach up to 34°C (93°F), offering the warmth that characterizes early spring. This shift from the cooler, harsher winter months to a more temperate climate hints at the approaching summer, with average temperatures settling at a comfortable 15°C (58°F). As the days lengthen and the sun grows increasingly warm, September sets the stage for the vibrant outdoor activities that this coastal town is known for, making it an inviting time to soak in Swakopmund's natural beauty.

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

The chart illustrates September temperature patterns in Swakopmund, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Swakopmund, 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).
JanFebMarAprMayJunJulAugSepOctNovDec676867666665656058616364
Data source: Temperature data for Swakopmund 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 Swakopmund

In Swakopmund, Namibia, the month of September continues the trend of minimal precipitation that characterizes the region's coastal climate. With only 1 mm of rainfall recorded, September's contributions to the annual water supply are negligible, marking yet another month with zero precipitation days. This dry spell is consistent with the preceding months, where rain is scarce, typically accumulating only in the first months of the year. The pattern of very low rainfall persists into October and November, suggesting a predominantly arid environment where the coastal atmosphere remains largely unaffected by significant weather changes. As such, September exemplifies the overall trend of drought-like conditions, reinforcing Swakopmund's reputation as a dry, picturesque destination.

September Precipitation Trends in Swakopmund

The chart displays monthly precipitation patterns in Swakopmund, 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 Swakopmund, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec734120011112
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Swakopmund

As September arrives in Swakopmund, Namibia, the coastal air takes on a refreshing quality, with humidity levels dipping to 64%. This marks a continuation of the gradual decline in humidity experienced over the preceding months, as the region transitions from the peak wetter months of January through March, where humidity averages between 75% and 80%. Following this peak, a steady decrease is observed, hitting its lowest point in September before a slight uptick as the year progresses towards October. This cooling trend not only makes for more comfortable conditions but also encapsulates the region's unique coastal climate, which balances humidity with refreshing ocean breezes. Overall, September serves as a turning point, hinting at the more temperate seasons ahead.

September Average Humidity in Swakopmund

This chart illustrates the average monthly humidity levels in Swakopmund, 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 Swakopmund 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 Swakopmund

In September, Swakopmund continues to experience an extreme UV Index of 11, requiring only 10 minutes of unprotected exposure before risks of sunburn set in. This trend aligns with the months preceding it, where the UV Index remains high throughout the year, ranging from 14 in January and February to 11 in April, indicating that sun safety is a priority even as temperatures begin to cool. With the UV Index dipping slightly in May and June to 8 and 6, respectively, there’s a brief respite, but it quickly escalates again, underscoring the importance of protective measures. As the year progresses, maintaining awareness of the Swakopmund UV Index is crucial for enjoying the outdoors safely.

Maximum UV Index Levels in Swakopmund for September

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

As September unfolds in Swakopmund, Namibia, the coastal town basks in 332 hours of brilliant sunshine, continuing the trend of abundant light that characterizes the region. After a steady increase from the cooler, cloudier months of winter, this vibrant month maintains the warmth established in August, emphasizing a delightful transition to spring. Notably, this surge in sunshine is a precursor to the record-breaking hours that October and November promise, with 366 and 372 hours respectively. With the sun shining bright, September sets the stage for outdoor adventures and the renewal of coastal life, embodying the essence of Namibian spring.

Monthly Sunshine Duration in Swakopmund: September Highlighted

The September sunshine duration represents the total number of hours Swakopmund 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: Swakopmund September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Swakopmund During September

In Swakopmund, Namibia, the likelihood of sunny weather sees a notable progression as the year unfolds, peaking in the winter months. January starts off with a modest 24% chance of sun, but by March, this figure rises sharply to 75%, signaling the onset of more consistent sunny days. The trend continues upward, reaching its pinnacle in July at an impressive 94%. As summer approaches, August retains a robust 81%, but September experiences a slight dip to 78%. Despite this minor decrease, the overall trend throughout the year emphasizes the growing prevalence of sunshine, making Swakopmund a tantalizing destination for sun seekers going into the second half of the year.

Percentage of Sunny Days in September in Swakopmund

The chart illustrates the percentage of sunny days in Swakopmund 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 Swakopmund experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%59%75%82%89%90%94%81%78%70%72%83%
Data source: Swakopmund September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Swakopmund in September

As September unfolds in Swakopmund, Namibia, the daylight stretches to a comfortable 11 hours, a slight resurgence following the winter months of July and August, which offered just 10 hours of light. This gradual increase marks the transition from the shorter days of winter to the more generous daylight that characterizes the spring months ahead. Interestingly, as the year progresses, daylight durations typically rise until they peak at 13 hours during the summer months of November and December. Thus, September serves as a delightful bridge, hinting at the longer, sunnier days that await as the year moves forward.

Average Daylight Hours in Swakopmund for September

The chart illustrates the variation in daylight duration in Swakopmund throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 19m12h 49m12h 11m11h 32m11h10h 45m10h 53m11h 20m11h 57m12h 36m13h 11m13h 29m
Data source: Swakopmund daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Swakopmund

As September arrives in Swakopmund, Namibia, the coastal winds continue to maintain a steady rhythm, with an average speed of 4.0 m/s (9 mph). This reflects a slight dip from the breezy July peak of 4.9 m/s (11 mph), signaling the gradual transition into spring. Throughout the year, wind speeds have shown a natural ebb and flow, with early months like January through March starting gently before picking up momentum in April. By late summer, the winds stabilize, creating a consistent coastal environment ideal for outdoor adventures. As September unfolds, the moderated wind patterns offer a pleasant backdrop for visitors and locals alike, embodying the charm of this vibrant coastal town.

Average September Wind Speed in Swakopmund

The chart displays monthly wind speed patterns in Swakopmund, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.73.94.54.14.14.94.04.0 m/s4.04.24.0
Data source: Swakopmund September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Swakopmund Compares to Other Months

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

In September, Swakopmund experiences comfortable temperatures, with a minimum of 8°C (46°F), an average of 15°C (58°F), and a maximum of 34°C (93°F). The weather is quite dry, boasting only 1 mm of precipitation over no rainy days and a humidity level of 64%. In contrast, January brings a warmer climate with minimum temperatures of 13°C (55°F), an average of 20°C (68°F), and the same maximum of 34°C (93°F). Despite being warmer, January sees an increase in precipitation, totaling 7 mm over just one day, along with higher humidity at 75%. For a more detailed look at the weather during this month, check out Swakopmund weather in January.

In September, the weather tends to be warmer with maximum temperatures reaching up to 34°C (93°F), while the average temperature hovers around 15°C (58°F). The humidity during this month is relatively moderate at 64%, and there is minimal precipitation, with only 1 mm recorded over the month. In contrast, February enjoys milder temperatures, with a minimum of 14°C (57°F) and a maximum of 29°C (85°F), leading to a more comfortable average of 20°C (68°F). This month also experiences slightly higher humidity at 77% and a bit more precipitation at 3 mm, though still with no rainy days. For more detailed weather insights, visit Swakopmund weather in February.

In September, the weather in Swakopmund is characterized by milder temperatures, with a minimum of 8°C (46°F) and an average of 15°C (58°F), reaching up to a maximum of 34°C (93°F). This month sees very little precipitation, with only 1 mm recorded, while humidity levels average around 64%. In contrast, March experiences slightly warmer temperatures overall, with a minimum of 13°C (56°F), an average of 19°C (67°F), and a peak of 35°C (96°F). Although March has a higher humidity level of 80%, it also registers some precipitation, totaling 4 mm, but rain is still absent on any given day. For a more detailed breakdown of March's weather, you can check Swakopmund weather in March.

September and April present distinct weather characteristics. In September, temperatures range from a cool minimum of 8°C (46°F) to a comfortable average of 15°C (58°F), peaking at a warm 34°C (93°F). The month is dry, with no recorded precipitation and a humidity level of 64%. In contrast, April showcases warmer temperatures, with a minimum of 10°C (50°F) and an average of 19°C (66°F), soaring to a maximum of 39°C (102°F). Like September, April also experiences no precipitation, but it has higher humidity at 78%. For a detailed look at April weather, you can visit Swakopmund weather in April.

In comparing the weather of September and May, we see notable differences in temperature and humidity. September experiences a minimum temperature of 8°C (46°F) with an average of 15°C (58°F) and a maximum reaching 34°C (93°F), while May starts at a similar minimum of 8°C (47°F) but boasts a higher average of 19°C (66°F) and can soar up to 38°C (100°F). Both months record minimal precipitation, with September receiving just 1 mm and May slightly more at 2 mm, though both have zero days of rain. However, May tends to be more humid at 77%, compared to September's 64%. For more detailed information on May's weather, check out Swakopmund weather in May.

In comparing the weather between September and June, both months exhibit a similar range in temperatures, with June generally having a slightly higher average temperature of 18°C (65°F) compared to September's 15°C (58°F). Both months can experience maximum temperatures reaching up to 34°C (93°F), reflecting their warmest days. However, September enjoys notably low precipitation levels with just 1 mm compared to June's completely dry weather, as no rainfall is recorded in either month. Additionally, humidity tends to be higher in June at 71%, while September's humidity sits at 64%. For a closer look at June conditions, you can visit Swakopmund weather in June.

In comparing the weather between September and July, we observe a nuanced shift in temperatures and humidity levels. September boasts a minimum temperature of 8°C (46°F) and an average of 15°C (58°F), while July presents a slightly warmer average of 18°C (65°F), although it shares the same minimum temperature. Both months share maximum temperatures around 34°C (93°F in September and 94°F in July). Notably, September sees minimal precipitation with just 1 mm and 0 rainy days, mirroring the dry conditions of July, which recorded no precipitation at all. Humidity levels are also quite similar, with September at 64% and July slightly higher at 67%. For a detailed look into July's weather, you can refer to Swakopmund weather in July.

In comparing the weather of September and August, we find that both months exhibit similar patterns, though September marks a subtle cooling trend. September's minimum temperature of 8°C (46°F) is slightly warmer than August's 7°C (44°F), while the average temperature remains consistent at around 15°C (58°F). However, September boasts a lower maximum temperature of 34°C (93°F) compared to August's peak of 38°C (100°F), indicating a gradual transition into cooler days. Both months share identical precipitation levels of 1 mm with no rainy days, although September has a slightly lower humidity at 64% compared to August's 66%. For more insights on August weather, check out Swakopmund weather in August.

In comparing the weather between September and October, September boasts a wider temperature range with a minimum of 8°C (46°F) and a maximum of 34°C (93°F), while October sees slightly warmer temperatures overall, with a minimum of 9°C (48°F) and a maximum of 32°C (91°F). The average temperature in September is 15°C (58°F), compared to 16°C (61°F) in October, indicating a gradual warming trend. Both months experience minimal precipitation at just 1 mm (0.0 in) in September and 1 mm (0.1 in) in October, with no rainy days recorded. Humidity levels are fairly close as well, with September at 64% and October slightly higher at 66%. To explore more about the weather specifics for October, visit Swakopmund weather in October.

In September, temperatures can range from a cool 8°C (46°F) to a warm 34°C (93°F), with an average of 15°C (58°F). This month experiences minimal precipitation, recording just 1 mm, and the humidity hovers around 64%. In contrast, November brings slightly milder weather, with minimum temperatures rising to 11°C (51°F) and maximum temperatures reaching 32°C (89°F), averaging 17°C (63°F). While both months see little to no precipitation, November has a bit more humidity at 67%. This transition marks the shift to more comfortable late spring conditions. For more detailed information, check out Swakopmund weather in November.

In September, the weather typically showcases a wider temperature range, with minimums dropping to 8°C (46°F) and maximums peaking at a warm 34°C (93°F). In contrast, December offers a milder climate, with temperatures generally ranging from a minimum of 12°C (54°F) to a comfortable maximum of 25°C (77°F). While both months experience minimal precipitation—only 1 mm in September and slightly more at 2 mm in December—the humidity increases from 64% in September to 72% in December, adding to the overall warmth of the latter month. For more detailed insights, you can check the Swakopmund weather in December.

Compare Swakopmund's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Swakopmund

As September unfolds in Swakopmund, it presents a delightful transition into warmer conditions, boasting pleasantly mild temperatures with an average low of 15°C. Unlike the more humid summer months, you can expect minimal precipitation, with rainfall nearly nonexistent, ensuring that outdoor activities are enjoyable and uninterrupted. With humidity sitting at a manageable 64%, the weather feels refreshing rather than oppressive, making it a perfect time for exploration along the stunning coastline. For those looking to plan their visit, September’s temperate climate offers a delightful contrast to the summer’s heat, ideal for beach outings and adventure. For more insights, check out Swakopmund Climate.