Weather in Western Cape, South Africa in September

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Visiting Western Cape, South Africa in September

The weather in September is marginally warmer than the previous month and temperatures continue to rise into October. September has average maximum temperatures of 19°C (66°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 61.2% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright. It is not a good time for sunbathing in Western Cape.

September has total rainfall of 5.9cm (2.3inches) making it mostly dry with only intermittent light showers. There are only 10.3 days with some rainfall so you can still enjoy the beach on the majority of days.

Sea temperatures are a cold 16°C (60°F). September is too cold for swimming in Western Cape for any length of time, unless you have a wetsuit. The sea temperature in September is slightly cooler than the previous month.

Consider visiting Western Cape in the months of January, February, March, December, for the best beach weather. Also consider one of our other suggestions for September.

Can you sunbathe in Western Cape in September?

No, September is not a good time for sunbathing in Western Cape.

September has average maximum temperatures of 19°C (66°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 61.2% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright. September has total rainfall of 5.9cm (2.3inches) making it mostly dry with only intermittent light showers. There are only 10.3 days with some rainfall so you can still enjoy the beach on the majority of days.

More about September temperature and sunshine.

Can you swim in Western Cape in September?

No, September is too cold for swimming in Western Cape for any length of time, with the sea water at 16°C (60°F), unless you have a wetsuit.

More about September sea temperatures.

Is September a good time to holiday in Western Cape?

Yes, September is a good time for a holiday in Western Cape.

September has average maximum temperatures of 19°C (66°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 61.2% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright. September has total rainfall of 5.9cm (2.3inches) making it mostly dry with only intermittent light showers. There are only 10.3 days with some rainfall so you can still enjoy the beach on the majority of days. It is not a good time for sunbathing in Western Cape. Sea temperatures are a cold 16°C (60°F). September is too cold for swimming in Western Cape for any length of time, unless you have a wetsuit.

More about the September temperatures and sunshine.

Is Western Cape warm in September?

Yes, Western Cape is not that warm but sunbathing may be possible on some clear days in September.

The average maximum temperature in Western Cape in September is 19°C (66°F). The average maximum temperature is 18°C (64°) in the previous month and 21°C (70°F) in the next month.

The average temperature in Western Cape in September is 14°C (57°F). The average temperature is 13°C (55°F) in the previous month and 17°C (62°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Western Cape in September?

The average day light hours per day in Western Cape in September are 11.9. The sunshine percentage is 61.2% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright.

More about September sunshine.

Temperature in Western Cape in September

The weather in September is marginally warmer than the previous month and temperatures continue to rise into October. The average maximum temperature in Western Cape in September is 19°C (66°F). The average maximum temperature is 18°C (64°F) in the previous month and 21°C (70°F) in the next month.

The average temperature in Western Cape in September is 14°C (57°F). The average temperature is 13°C (55°F) in the previous month and 17°C (62°F) in the next month.

The average minimum temperature in Western Cape in September is 10°C (49°F). The minimum temperature is 8°C (47°F) in the previous month and 12°C (53°F) in the next month.

Sunshine in Western Cape in September

The days in September are much longer than the previous month and the days continue to get slightly longer into October. September has slightly more hours of sunshine than the previous month and hours of sunshine continue to rise quickly into October. During September the average day light hours are 11.9 per day in Western Cape. The sunshine percentage is 61.2% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright.

The ultraviolet index in Western Cape in September is typically 7.3 during September. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Western Cape in September

The average sea water temperature in Western Cape in September is 15.5°C (59.9°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea. The sea temperature in September is slightly cooler than the previous month.

Rainfall in Western Cape in September

September weather is much drier than the previous month and rainfall continues to drop into October. September has a couple of less days of rain than the previous month and rainy days continue to drop slightly into October. The average total rainfall in Western Cape in September is 5.9cm (2.3inches) and on average there are 10.3 rainy days in September making it a pretty wet time to visit the beach.

Humidity in Western Cape in September

The maximum dew point (an indicator of humidity) in Western Cape in September is 12°C (53°F) which is very comfortable. The dew point is 11°C (52°F) in the previous month and 13°C (13°F) in the next month.

The average maximum relative humidity in Western Cape in September is typically 92.6%. The maximum relative humidity is 94% in the previous month and 91.1% in the next month.

The average relative humidity in Western Cape in September is typically 73.4%. The average relative humidity is 75.5% in the previous month and 71.7% in the next month.

Wind Speed in Western Cape in September

The average maximum wind speed in Western Cape in September is typically 28KM/H (18MPH). The average maximum wind speed is 27KM/H (17MPH) in the previous month and 31KM/H (19MPH) in the next month.

The average wind speed in Western Cape in September is typically 14KM/H (9MPH). The average wind speed is 14KM/H (9MPH) in the previous month and 16KM/H (10MPH) in the next month.

The average wind direction in Western Cape in September is from the West-Southwest.

Monthly Averages

Suggested Beaches in September

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.