Weather in September
Temperature
Walvis Bay's coldest weather arrives in September, when temperatures average a high of 15.7°C (60.3°F) and a low of 10.4°C (50.7°F).Humidity
In Walvis Bay, Namibia, the average relative humidity in September is 79%.Rainfall
Throughout September, 0mm (0") of precipitation is accumulated. Throughout the year, 10mm (0.39") of rain is accumulated.Sea temperature
In Walvis Bay, the average seawater temperature in September is 13.8°C (56.8°F).Note: Without suitable protection, venturing into 13.8°C (56.8°F) waters cooler than 10°C (50°F) can lead to pronounced cold shock and rapid breaths.
Daylight
In September, the average length of the day is 11h and 58min.On the first day of September, sunrise is at 07:11 and sunset at 18:51. On the last day of the month, sunrise is at 06:42 and sunset at 19:00 CAT.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Walvis Bay?
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How much does it rain in September?
What is the sea water temperature in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
Average temperature in September
Walvis Bay, Namibia
- Average high temperature in September: 15.7°C
The warmest months (with the highest average high temperature) are January and March (20.4°C).
The month with the lowest average high temperature is September (15.7°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is January (15.1°C).
The coldest month (with the lowest average low temperature) is August (9.9°C).
Average humidity in September
Walvis Bay, Namibia
- Average humidity in September: 79%
The months with the highest relative humidity are January and March (81%).
The month with the lowest relative humidity is December (65%).
Average rainfall in September
Walvis Bay, Namibia
- Average rainfall in September: 0.1mm
The wettest month (with the highest rainfall) is March (4.4mm).
The driest month (with the least rainfall) is July (0mm).
Average sea temperature in September
Walvis Bay, Namibia
- Average sea temperature in September: 13.8°C
The best month for swimming (with the highest average sea temperature) is February (19.1°C).
The coldest month (with the lowest average sea temperature) is August (13.6°C).
Average daylight in September
Walvis Bay, Namibia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 42min).
Walvis Bay, Namibia
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