Windhoek Weather in September
September in Windhoek brings high temperatures, with daytime highs of 28°C (82°F) and nights around 11°C (52°F). Only 6.1 mm (0.2 in) of rainfall is typical, making it a largely dry month.
Rainfall in Windhoek in September
Typically, about 2 days will experience rainfall, with an average of 6.1 mm (0.2 in) for the month. If rain does fall, it tends to be very light and barely worth getting out an umbrella for.
Temperature in Windhoek in September
The perfect temperature in Windhoek in September makes it a solid month to visit, with 28°C (82°F) during the day and 11°C (52°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Windhoek in September
The days are predominantly sunny, with an estimated total of around 321 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Windhoek in September
September sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Namibia, check out our Windhoek's climate page.
Windhoek Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
28°C (82°F)
Chance of Rain
6%
Precipitation
6.1 mm (0.2 in)
Rainy days
2 days
Humidity
17%
Windspeed
2 m/s (4 knots)
Sunshine
321 hours
Percentage Sunshine
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Windhoek typically stay consistent throughout September, with daily highs averaging around 28°C (82°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 14°C (57°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Windhoek in September
Browse day-by-day weather records for Windhoek spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Windhoek historical weather extremes in September
Based on weather observations in Windhoek between 2004 and 2025, these are the recorded extremes during September.
- Windhoek recorded its highest September temperature of 40°C (104°F) on September 10, 2013.
- The coldest September day was on September 8, 2018, with a maximum of 18°C (64°F).
- The coldest night in September in Windhoek was on September 7, 2018, with a minimum of 1°C (34°F).
Best Places in Namibia in September
Find out more about the weather in Namibia and which places have the best travel conditions in this month. See all of Namibia in September →
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What to Wear in Windhoek in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Windhoek in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Namibia, check out our Windhoek's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Windhoek climate overview or explore weather in Namibia.
