Monthly climate guide

Windhoek weather in September

September in Windhoek is typically hot, with average daytime highs around 30°C (86°F) and night-time lows near 11°C (52°F). The month usually brings about 4 mm of rain (very dry) and is mostly sunny. Daytime highs are 4°C warmer than August and 2°C cooler than October.

What stands out in September

It's one of the drier stretches of the year in Windhoek.
Rain is well below Windhoek's usual level (around 90% less).
Evenings cool off sharply: the daily range is around 19°C, so pack a layer.
Just 260 km apart, but Windhoek runs about 11°C warmer than Swakopmund this month.

Avg high

30°C

86°F

Avg low

11°C

52°F

Rainfall

4 mm

very dry

Humidity

20%

relative

Sky

18%

cloud · mostly sunny

Live Windhoek forecast Where else to go in September

or share

Windhoek weather by month

Low → high °C Rain (mm)

Show the monthly averages as a table

Average monthly climate in Windhoek
Month	Avg high	Avg low	Rain	Humidity	Cloud cover
January	32°C / 90°F	17°C / 62°F	81 mm	43%	57%
February	31°C / 87°F	17°C / 62°F	77 mm	49%	60%
March	29°C / 84°F	15°C / 59°F	113 mm	54%	53%
April	26°C / 79°F	12°C / 54°F	65 mm	53%	35%
May	24°C / 76°F	9°C / 47°F	6 mm	42%	16%
June	22°C / 71°F	5°C / 41°F	3 mm	37%	11%
July	22°C / 71°F	5°C / 40°F	0 mm	33%	14%
August	26°C / 78°F	8°C / 46°F	1 mm	24%	13%
September	30°C / 86°F	11°C / 52°F	4 mm	20%	18%
October	32°C / 90°F	14°C / 57°F	20 mm	21%	32%
November	33°C / 91°F	16°C / 60°F	19 mm	25%	41%
December	32°C / 90°F	16°C / 62°F	73 mm	37%	56%

What to pack for September

Light, breathable clothing (cotton or linen)
A sun hat and high-SPF sunscreen
A refillable water bottle
An extra layer — evenings are noticeably cooler than afternoons
Sunglasses

Full season-by-season packing guide →

Is September a good time to visit Windhoek?

Compare the months in the chart above to find your ideal window.

Best time to visit Windhoek →

Other Namibia cities in September

Swakopmund

19° / 13°C · 2 mm

Lüderitz

18° / 12°C · 3 mm

Cite or embed this data

Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.

Citation

Windhoek weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/namibia/windhoek/september

HTML link

<a href="https://weathercompare.eu/weather/namibia/windhoek/september">Windhoek weather in September</a> (WeatherCompare)

Embed widget

<iframe src="https://weathercompare.eu/embed/namibia/windhoek" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Windhoek weather in September"></iframe>
<p style="font-size:12px"><a href="https://weathercompare.eu/weather/namibia/windhoek/september">Windhoek weather in September</a> – WeatherCompare</p>

Windhoek in September: quick answers

Is September a good time to visit Windhoek?

September is a reasonable time for Windhoek: highs around 30°C and about 4 mm of rain, though not one of the three best months.

How warm is Windhoek in September?

Average highs are about 30°C (86°F) and average lows about 11°C (52°F), based on 10 years of daily data.

Does it rain a lot in Windhoek in September?

Windhoek typically gets around 4 mm of rain in September — very dry.

Figures are long-term averages for the area around Windhoek (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.