Walvis Bay weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Fair
Best time to visit: February
What is the weather like in Walvis Bay in September?
In September, Walvis Bay is mild: daytime highs average 18 °C, and nights cool down to about 11 °C. The sea averages 13.3 °C – swimming is only for the hardy. With around 9 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, September is a so-so month for a holiday in Walvis Bay.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 39 | 40 | 40 |
| Day | 19° | 18° | 19° |
| Night | 11° | 11° | 12° |
| Sea | 13° | 13° | 14° |
| Sun | 9 h | 9 h | 10 h |
| Rain days | 0 | 0 | 0 |
More details for September
- Daylight
- 11 h 56 min06:59 – 18:55
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 23 km/haverage daily peakAll months
- Cloud cover
- 17 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+2Africa/Windhoek
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in September
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Walvis Bay in September: quick answers
Is Walvis Bay hot in September?
No. In September, Walvis Bay is mild: daytime highs average 18 °C and nights drop to about 11 °C.
Can you swim in Walvis Bay in September?
Only if you don't mind cold water: in September the sea averages just 13.3 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Walvis Bay in September?
It hardly ever rains.
Walvis Bay month by month
The whole year in Walvis BayAll destinations: NamibiaWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences