Last updated: August 31, 2025
In September, Windhoek, Namibia experiences a delightful transition into spring with maximum temperatures reaching up to 33°C (92°F) and an average of 20°C (68°F), providing a warm and inviting atmosphere. The nights can be surprisingly cool, with minimum temperatures dipping to 1°C (34°F). This month boasts a remarkably dry climate, with only 2 mm (0.1 in) of precipitation recorded and no rainy days, contributing to the city’s low humidity level of 32%. Ideal for outdoor activities, September showcases Windhoek’s vibrant charm under clear, sunny skies, making it a perfect time to explore this captivating destination.
In September, Windhoek, Namibia, begins to shake off the chill of winter, welcoming the dawn of warmer days. With temperatures ranging from a crisp 1°C (34°F) at night to a pleasant average of 20°C (68°F) during the day, this month serves as a beautiful transition into spring. The maximum temperature soars to 33°C (92°F), hinting at the hotter months ahead. Compared to the preceding winter months, September shows a remarkable increase in warmth, encouraging outdoor activities and exploration of the vibrant city. As the days grow longer and the air warms, Windhoek becomes a delightful haven for both locals and visitors alike.
In September, Windhoek experiences a noteworthy shift in its precipitation patterns as the dry winter season comes to a close. This month records a modest 2 mm of rain, marking the transition towards the wetter months ahead. After months of virtually no rainfall, September stands out with its first hint of moisture, albeit spread over no precipitation days. Historically, this gradual uptick in precipitation foreshadows the upcoming peaks of the rainy season in January and February, when the city typically experiences significantly higher rainfall. This subtle change in September signals the end of the dry spell, offering a glimpse of the revitalizing downpours that are sure to follow in the months to come.
September in Windhoek, Namibia, marks a transition into the dry season, with humidity levels dropping to a notably low 32%. This is a continuation of the declining trend seen from August, where humidity reached only 38%. The arid conditions are a stark contrast to the more humid months of early year, with January starting at 54% and peaking in March at 70%. As the year progresses, the consistent decrease in humidity levels demonstrates Windhoek's aridity, fostering a warm yet comfortable environment ideal for outdoor activities. This shift invites residents and visitors alike to enjoy the serene beauty of the city against a backdrop of clear skies and golden landscapes.
As September rolls into Windhoek, Namibia, the UV Index reaches 12, signaling an extreme exposure category with a burn time of just 10 minutes. This marks a slight rebound from the more moderate levels experienced in the winter months of June and July, where the UV Index dipped to 7, categorized as high. The trend indicates a gradual intensification of solar radiation as the city transitions from winter to spring, following a pattern of elevated UV levels that consistently characterize the latter part of the year. It's a reminder for locals and visitors alike to be vigilant with sun protection, especially as we approach the summer months where the Index spikes to even higher extremes. To learn more about UV precautions in Windhoek, check out the detailed information available at Windhoek UV Index.
UV Risk Categories
As summer approaches in Namibia, September welcomes visitors with an impressive 341 sunlight hours, fostering a warm and vibrant atmosphere. This month continues the upward trajectory of sunshine seen throughout the year, with a notable trend where daylight hours have been steadily increasing since the chill of winter. Following a peak of 390 hours in December, September offers a delightful prelude to the sun-drenched months ahead, outshining the earlier winter months like June at 314 hours and July at 328 hours. Such consistent sunshine makes Windhoek a captivating destination for those seeking to bask in the brilliance of the Namibian sun, inviting exploration and adventure as nature comes alive with vibrant colors and life.
In September, Windhoek, Namibia enjoys a sunny reprieve as the winter months wind down, with a remarkable 90% chance of sunshine. This trend highlights a gradual transition from the cooler winter days, where sunshine levels peak in July at an impressive 99%. As the seasons shift towards its warmer months, September maintains a high likelihood of clear skies, following closely behind August's 95%. With this sunny forecast, it's an ideal time for outdoor activities and exploring the vibrant landscapes that Namibia has to offer, making September a perfect blend of comfortable temperatures and brilliant sunshine.
As September rolls into Windhoek, Namibia, the city enjoys a pleasant 11 hours of daylight, consistent with the gradually shortening days of late winter. Following the peak daylight hours of 13 in January and November and the steady decline to 10 hours in June and July, September marks a transitional period where daylight begins to lengthen again. This gentle increase hints at the approaching warmer months, as the city moves towards the vibrant days of spring, ultimately culminating in longer daylight hours by October. September, with its balanced daylight, provides an ideal backdrop for outdoor activities, making it a perfect time to explore the beauty of this unique region.
As September rolls into Windhoek, Namibia, the city experiences a gentle increase in wind activity, with average speeds reaching 3.3 m/s (7 mph). This slight uptick follows the trend set in August, where winds were also brisk at 3.4 m/s (8 mph). The month's breezy conditions are a refreshing transition from the milder gusts of earlier months like March, which saw an average of only 2.2 m/s (5 mph). Overall, September's winds hint at the invigorating change of seasons, leading into the more robust gusts of spring, as evidenced by the steady climb from the winter months into October, which anticipates even stronger breezes. This evolving pattern not only enhances the city's vibrant atmosphere but also encourages outdoor activities and exploration of the stunning Namibian landscape.
Weather in Windhoek varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Windhoek, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present quite a contrast in weather. In September, temperatures range from a cool 1°C (34°F) at night to a warm 33°C (92°F) during the day, with an average of 20°C (68°F). This month is notably dry, with minimal precipitation of just 2 mm (0.1 inches) and only 0 days of rain, resulting in a low humidity level of 32%. In contrast, January brings warmer nights with temperatures starting at a minimum of 11°C (51°F) and soaring to a maximum of 35°C (95°F), averaging around 23°C (74°F). This month experiences significantly higher rainfall, totaling 122 mm (4.8 inches) over 9 days, leading to a higher humidity level of 54%. For more detailed weather information, you can visit Windhoek weather in January.
September typically brings mild to warm weather, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 33°C (92°F) and an average of 20°C (68°F). The month is quite dry, with negligible precipitation and a low humidity of 32%. In stark contrast, February experiences significantly warmer temperatures, with a minimum of 12°C (54°F), an average of 22°C (72°F), and a peak reaching 35°C (95°F). Moreover, February is much wetter, featuring 133 mm (5.2 in) of rainfall spread over 11 days, accompanied by increased humidity at 60%. This transition from the dry mildness of September to the hot and wetter February illustrates the varied climate experienced during these months. For more details, visit Windhoek weather in February.
In comparing the weather of September and March, September offers a cooler and drier climate, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 33°C (92°F) and very little rainfall, averaging only 2 mm. In contrast, March brings warmer temperatures, with a minimum of 8°C (47°F) and a peak of 36°C (96°F), but it also has significantly higher precipitation of 94 mm spread over 11 days, leading to a much more humid atmosphere at 70%. For a detailed look at the weather patterns during March, you can check out Windhoek weather in March.
In comparing the weather of September and April, we find notable differences in temperature and precipitation patterns. September experiences a wider range of temperatures, with a minimum of 1°C (34°F) and a maximum of 33°C (92°F), averaging around 20°C (68°F). In contrast, April has milder minimum temperatures starting at 7°C (45°F) and a maximum of 30°C (85°F), with an average of 18°C (65°F). Furthermore, September boasts a dry climate with negligible precipitation of just 2 mm (0.1 in) and zero rain days, while April sees a significant increase in rainfall with 31 mm (1.2 in) spread over five days, resulting in much higher humidity at 72%. For more detailed insights, you can refer to Windhoek weather in April.
In comparing the weather of September and May, we can observe some notable differences. September features a wider temperature range, with lows of 1°C (34°F) and highs reaching up to 33°C (92°F), averaging around 20°C (68°F). In contrast, May has a milder temperature profile, with minimums at 0°C (32°F) and maximums only up to 28°C (83°F), averaging 16°C (61°F). While both months experience minimal precipitation—with September recording just 2 mm and May merely 1 mm—the humidity levels vary significantly; September boasts a dry 32%, while May has a much more humid environment at 66%. For those interested in learning more about the conditions during this time, you can check Windhoek weather in May.
September generally features warmer temperatures compared to June, with average highs reaching up to 33°C (92°F), while June only sees a maximum of 26°C (80°F). The minimum temperatures also reflect this trend, with September starting at 1°C (34°F) compared to June's cooler -1°C (31°F). Additionally, September enjoys drier conditions, recording only 2 mm of precipitation over the month, contrasting sharply with June's low humidity of 59%. For more detailed information about June weather, you can visit Windhoek weather in June.
In comparison to July, September offers a significantly warmer climate, with average temperatures rising from a chilly 13°C (55°F) in July to a more comfortable 20°C (68°F) in September. The minimum temperature in September is noticeably higher, starting at 1°C (34°F), compared to July's brisk -2°C (28°F). Additionally, September experiences maximum temperatures that can reach up to 33°C (92°F), far exceeding the 26°C (80°F) peak of July. Precipitation remains minimal in both months, but September stands out with its zero days of rain and only 2 mm of precipitation, compared to July's slightly higher humidity level of 46%. For a detailed look at July's weather, visit Windhoek weather in July.
In September, the weather warms up significantly compared to August, with average temperatures rising from 15°C (60°F) in August to 20°C (68°F) in September. The maximum temperature in September reaches a hot 33°C (92°F), while August peaks at a milder 28°C (83°F). Humidity also decreases slightly from 38% in August to 32% in September, creating a drier atmosphere. Interestingly, while both months experience little to no precipitation, September records just 2 mm of rain, showcasing the transition towards hotter and drier conditions. For more detailed weather information, check out Windhoek weather in August.
In September, the weather features a comfortable average temperature of 20°C (68°F), with maximums reaching up to 33°C (92°F) and minimal drops to 1°C (34°F). With no recorded precipitation and a humidity level of 32%, September tends to be quite dry. In contrast, October experiences slightly warmer conditions, with an average temperature of 22°C (72°F) and maximum highs of 34°C (94°F). However, October is marked by a small increase in precipitation, totaling 9 mm (0.3 in) over two days, while maintaining the same humidity level of 32%. For more detailed information on the weather in October, you can check out Windhoek weather in October.
In September, the weather is quite warm, with average temperatures hovering around 20°C (68°F) and maximum highs reaching up to 33°C (92°F). The month is also characterized by very little precipitation—only 2 mm—and a dry atmosphere with humidity levels sitting at 32%. In contrast, November brings slightly cooler minimum temperatures of 8°C (46°F) and higher average temperatures of 24°C (75°F), with maximums peaking at 35°C (95°F). There is a slight increase in precipitation to 7 mm over just one day, while humidity remains the same at 32%. For more insights on November's weather, you can visit Windhoek weather in November.
In September, the weather is generally mild, with temperatures ranging from a cool 1°C (34°F) at night to a warm average of 20°C (68°F) during the day, peaking at 33°C (92°F). It experiences little to no rainfall, boasting only 2 mm (0.1 in) of precipitation over the month, which contributes to a low humidity level of 32%. In contrast, December brings warmer conditions, with minimum temperatures around 9°C (48°F) and average highs reaching 34°C (94°F). The month is significantly wetter, recording 66 mm (2.6 in) of rainfall over 7 days and higher humidity levels at 45%. For more detailed insights, check out Windhoek weather in December.
As September rolls in, Windhoek transforms into a delightful and inviting destination with its warm, sunny days and crisp nights. Unlike the rainier months ahead, this period boasts exceptionally low humidity and virtually no precipitation, making it ideal for outdoor activities and exploration. The temperature range is pleasantly moderate, balancing warm afternoons with cool evenings, creating a comfortable atmosphere for both residents and visitors alike. As you revel in the beautiful September weather, don't forget to explore more about the city's climate trends here: Windhoek Climate.