Weather in Windhoek in September 2025
- September is usually the driest month of the year in Windhoek
Average weather
Average temperature in Windhoek in September
The expected average maximum temperature in September is +30°C with a maximum of +34°C and a minimum of +4°C.
The average maximum temperature goes up 20% by the end of the month, compared with the beginning of the month, from +28°C to +34°C.
Is Windhoek warm or cold in September?
Windhoek is typically warm in September.
Maximum temperatures go up compared to the previous month from +25°C to +29°C. The minimum temperature also goes up from +9°C to +13°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Windhoek:
Climate in Windhoek in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +25°C | +29°C | +31°C | ||||
| Min. temperature | ||||||
| -2°C | +2°C | +3°C | ||||
| Max. temperature | ||||||
| +31°C | +36°C | +37°C | ||||
| Rainfall | ||||||
| 1 mm | 5 mm | 15 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 31% | 28% | 30% | ||||
| Air pressure | ||||||
| 1018 HPa | 1015 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 27 | 24 | 18 | ||||
| Cloudy days | ||||||
| 3 | 4 | 6 | ||||
| Rainy days | ||||||
| 1 | 2 | 6 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September typically has worse weather conditions compared to August. It’s getting warmer as September arrives. The average maximum temperature goes up from +25°C to +29°C during the day. Prepare for more rain. Average rainfall goes from 1 mm to 5 mm. It feels drier, as humidity decreases from 31% to 28%. The average wind speed doesn’t change much during September, staying around 2 m/s. The days becoming less sunny, going from 27 sunny days in August to 24 in September.
October brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Windhoek is gradually decreasing during September, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Windhoek?
Climate Change over Years
The climate in Windhoek in September has not changed much over the last 43 years.
The average temperature was the lowest in 2006 (+26°C) and the highest in 2019 (+30°C). The driest year was 1981 with only 127 mm of rainfall, and the wettest year was 2006 with 1332 mm.
FAQ
Is September a good time to visit Windhoek?
Can you sunbathe in Windhoek in September?
Is Windhoek rainy in September?
Is it sunny in Windhoek in September?
Monthly weather in Windhoek
Source of the data
For this page, we’ve looked at the typical weather in Windhoek, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.