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20°
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21°
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18°
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19°
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17°
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16°
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15°
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15°
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15°
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16°
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18°
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20°
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The weather in September is warmer than the previous month and temperatures continue to rise into October. September has average maximum temperatures of 18°C (64°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 8.2hrs making the days long and bright. It is not a good time for sunbathing in Arniston Beach.
Sea temperatures are a cold 15°C (60°F). September is too cold for swimming in Arniston Beach for any length of time, unless you have a wetsuit.
September marks the beginning of spring, with warmer weather and a decrease in rainfall. Swimming, sunbathing, snorkeling, and diving become more popular as the temperatures rise. Surfing, windsurfing, and kitesurfing continue to be enjoyed, with consistent winds and swells. Consider visiting Arniston Beach in the months of January, February, November, December, for the best beach weather. Also consider one of our other suggestions for September.
No, September is not a good time for sunbathing in Arniston Beach.
September has average maximum temperatures of 18°C (64°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 8.2hrs making the days long and bright.
More about September temperature and sunshine.
No, September is too cold for swimming in Arniston Beach for any length of time, with the sea water at 15°C (60°F), unless you have a wetsuit.
More about September sea temperatures.
Yes, September is a slightly cool time for a holiday in Arniston Beach.
September has average maximum temperatures of 18°C (64°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 8.2hrs making the days long and bright. It is not a good time for sunbathing in Arniston Beach. Sea temperatures are a cold 15°C (60°F). September is too cold for swimming in Arniston Beach for any length of time, unless you have a wetsuit.
More about the September temperatures and sunshine.
No, Arniston Beach is not that warm but sunbathing may be possible on some clear days in September.
The average maximum temperature in Arniston Beach in September is 18°C (64°F). The average maximum temperature is 15°C (60°) in the previous month and 20°C (68°F) in the next month.
The average temperature in Arniston Beach in September is 14°C (57°F). The average temperature is 11°C (52°F) in the previous month and 18°C (64°F) in the next month.
More info about the September temperatures and sunshine.
The average day light hours per day in Arniston Beach in September are 11.9. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 8.2hrs making the days long and bright.
More about September sunshine.
As spring arrives, the weather becomes warmer and the beach starts to attract more visitors. The Heritage Day public holiday may bring some additional crowds, but overall, the beach is not too crowded during this month.
The weather in September is warmer than the previous month and temperatures continue to rise into October. The average maximum temperature in Arniston Beach in September is 18°C (64°F). The average maximum temperature is 15°C (60°F) in the previous month and 20°C (68°F) in the next month.
The average temperature in Arniston Beach in September is 14°C (57°F). The average temperature is 11°C (52°F) in the previous month and 18°C (64°F) in the next month.
The average minimum temperature in Arniston Beach in September is 11°C (52°F). The minimum temperature is 7°C (45°F) in the previous month and 16°C (60°F) in the next month.
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 into October. During September the average day light hours are 11.9 per day in Arniston Beach. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 8.2hrs making the days long and bright.
The ultraviolet index in Arniston Beach in September is typically 7 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.
The average sea water temperature in Arniston Beach in September is 15.3°C (59.5°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.
The maximum dew point (an indicator of humidity) in Arniston Beach in September is 11°C (51°F) which is very comfortable. The dew point is 10°C (50°F) in the previous month and 13°C (13°F) in the next month.
The average maximum relative humidity in Arniston Beach in September is typically 86.1%. The maximum relative humidity is 96.7% in the previous month and 80.8% in the next month.
The average relative humidity in Arniston Beach in September is typically 70.1%. The average relative humidity is 79.9% in the previous month and 68.9% in the next month.
The average maximum wind speed in Arniston Beach in September is typically 29KM/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 Arniston Beach in September is typically 19KM/H (12MPH). The average wind speed is 17KM/H (11MPH) in the previous month and 20KM/H (12MPH) in the next month.
The average wind direction in Arniston Beach in September is from the West.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
