September weather forecast
Namibia

September in Namibia is characterized by the onset of spring, with temperatures across the country continuing to rise, typically ranging from 13°C (55.4°F) to 29°C (84.2°F). Rainfall remains low with the average precipitation less than 10mm (0.39"), but there is a slight increase compared to the preceding winter months, signalling the early stages of the forthcoming rainy season.

In Windhoek, situated on the Central Plateau, September temperatures typically fluctuate between 14°C (57.2°F) to 31°C (87.8°F). The city continues to experience mostly sunny days, but the slight increase in rainfall hints at the approaching summer rainy season.

Coastal cities such as Swakopmund and Walvis Bay, influenced by the Benguela Current, maintain cooler temperatures compared to the rest of the country. In these regions, September temperatures generally fall between 13°C (55.4°F) to 23°C (73.4°F). The familiar morning fog remains a constant, albeit gradually reducing as the spring season progresses.

Compared to August, September in Namibia experiences a more significant rise in temperatures, moving further away from the cool winter season and embracing the warmer spring conditions. As the country advances into October, these warmer temperatures persist, setting the stage for the imminent rainy season.

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• Windhoek - September »
  September and October, with an average relative humidity of 19%, are the least humid months in Windhoek, Namibia. The months with the lowest humidity in Windhoek are September and October, with an average relative humidity of 19%.
• Swakopmund - September »
  January through May, September through December are months with rainfall in Swakopmund, Namibia. The temperature in Swakopmund hits its lowest levels in September and October, recording an average high-temperature of 20°C (68°F).
• Walvis Bay - September »
  The month of September sees the average lowest temperatures in Walvis Bay, reaching 15.7°C (60.3°F) at the peak and 10.4°C (50.7°F) at the low. Walvis Bay's coldest month, September, registers temperatures that range from a high of 15.7°C (60.3°F) to a low of 10.4°C (50.7°F).
• Oshakati - September »
  With an average relative humidity of 18%, September is the least humid month in Oshakati. The least humid month in Oshakati is September, with an average relative humidity of 18%.
• Rundu - September »
  In September, Rundu witnesses the first signs of change in the weather pattern, with temperatures reaching a peak of 34.3°C (93.7°F) and wind speed accelerating to 11.1km/h (6.9mph). On the first day of September in Rundu, Namibia, sunrise is at 06:48 and sunset at 18:33.
• Otjiwarongo - September »
  On the first day of September in Otjiwarongo, Namibia, sunrise is at 07:02 and sunset at 18:44. As September arrives, Otjiwarongo's weather shows a minor increase in high-temperatures, edging from August's warm 27°C (80.6°F) to a tropical 31°C (87.8°F).
• Luderitz - September »
  September is the last month it rains in Luderitz, Namibia. On the first day of September in Luderitz, sunrise is at 07:12 and sunset at 18:46.
• Tsumeb - September »
  With no rainfall recorded for the fourth consecutive month, Tsumeb enjoys a dry and sunny weather in September. September is the first month it rains in Tsumeb, Namibia.
• Katima Mulilo - September »
  September is the least humid month in Katima Mulilo, Namibia, with an average relative humidity of 42%. On the first day of September in Katima Mulilo sunrise is at 06:29 and sunset at 18:16.
• Gobabis - September »
  With an average relative humidity of 20%, September is the least humid month in Gobabis, Namibia. September is the first month it rains in Gobabis.
• Keetmanshoop - September »
  On the first day of September in Keetmanshoop sunrise is at 07:00 and sunset at 18:34. In Keetmanshoop, Namibia, in September, during 2.2 rainfall days, 2mm (0.08") of precipitation is typically accumulated.