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.

---

• Windhoek - September »
  The months with the lowest humidity are September and October, with an average relative humidity of 19%. September and October, with an average relative humidity of 19%, are the least humid months in Windhoek.
• Swakopmund - September »
  September and October, with an average high-temperature of 20°C (68°F), are marked as the coldest months in Swakopmund. Months with rainfall in Swakopmund are January through May, September through December.
• Walvis Bay - September »
  September brings a noticeable change in Walvis Bay as the city welcomes spring with an increase in high temperatures to 15.7°C (60.3°F). On the first day of September in Walvis Bay sunrise is at 07:11 and sunset at 18:51.
• Oshakati - September »
  With an average relative humidity of 18%, September is the least humid month in Oshakati. January, September through December, with an average maximum UV index of 7, are months with the highest UV index in Oshakati.
• 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). September is the least humid month in Rundu, with an average relative humidity of 19%.
• Otjiwarongo - September »
  On the first day of September in Otjiwarongo sunrise is at 07:01 and sunset at 18:44. On the first day of September in Otjiwarongo, sunrise is at 07:01 and sunset at 18:44.
• Luderitz - September »
  On the last day of September, in Luderitz sunrise is at 06:39 and sunset at 18:59 CAT. In Luderitz, Namibia, the average seawater temperature in September is 14.1°C (57.4°F).
• Tsumeb - September »
  September is the least humid month in Tsumeb, Namibia, with an average relative humidity of 20%. With no rainfall recorded for the fourth consecutive month, Tsumeb enjoys a dry and sunny weather in September.
• Katima Mulilo - September »
  The least humid month in Katima Mulilo is September, with an average relative humidity of 42%. In Katima Mulilo, during September, the rain falls for 1 days and regularly aggregates up to 3mm (0.12") of precipitation.
• Gobabis - September »
  September is the first month it rains in Gobabis, Namibia. The least humid month in Gobabis is September, with an average relative humidity of 20%.
• Keetmanshoop - September »
  In Keetmanshoop, Namibia, during September, the rain falls for 2.2 days and regularly aggregates up to 2mm (0.08") of precipitation. On the first day of September in Keetmanshoop, sunrise is at 06:59 and sunset at 18:35.