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Sea
21°
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21°
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20°
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18°
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18°
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16°
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16°
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16°
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16°
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17°
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18°
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20°
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The weather in September is marginally warmer than the previous month and temperatures continue to rise slightly 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 60% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.1 hours of sunshine per day. It is not a good time for sunbathing in Hermanus.
September has total rainfall of 4.5cm (1.8inches) making it mostly dry but with short lived occasional showers. There are only 10.2 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 Hermanus for any length of time, unless you have a wetsuit. The sea temperature in September is slightly cooler than the previous month.
Consider visiting Hermanus in the months of January, February, March, 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 Hermanus.
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 60% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.1 hours of sunshine per day. September has total rainfall of 4.5cm (1.8inches) making it mostly dry but with short lived occasional showers. There are only 10.2 days with some rainfall so you can still enjoy the beach on the majority of days.
More about September temperature and sunshine.
No, September is too cold for swimming in Hermanus for any length of time, with the sea water at 16°C (60°F), unless you have a wetsuit.
More about September sea temperatures.
Yes, September is a good time for a holiday in Hermanus.
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 60% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.1 hours of sunshine per day. September has total rainfall of 4.5cm (1.8inches) making it mostly dry but with short lived occasional showers. There are only 10.2 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 Hermanus. Sea temperatures are a cold 16°C (60°F). September is too cold for swimming in Hermanus for any length of time, unless you have a wetsuit.
More about the September temperatures and sunshine.
Yes, Hermanus is not that warm but sunbathing may be possible on some clear days in September.
The average maximum temperature in Hermanus in September is 19°C (66°F). The average maximum temperature is 18°C (65°) in the previous month and 21°C (70°F) in the next month.
The average temperature in Hermanus in September is 14°C (57°F). The average temperature is 13°C (55°F) in the previous month and 16°C (61°F) in the next month.
More info about the September temperatures and sunshine.
The average day light hours per day in Hermanus in September are 11.9. The sunshine percentage is 60% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.1 hours of sunshine per day.
More about September sunshine.
The weather in September is marginally warmer than the previous month and temperatures continue to rise slightly into October. The average maximum temperature in Hermanus in September is 19°C (66°F). The average maximum temperature is 18°C (65°F) in the previous month and 21°C (70°F) in the next month.
The average temperature in Hermanus in September is 14°C (57°F). The average temperature is 13°C (55°F) in the previous month and 16°C (61°F) in the next month.
The average minimum temperature in Hermanus in September is 9°C (49°F). The minimum temperature is 8°C (47°F) in the previous month and 12°C (53°F) in the next month.
The days in September are 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 Hermanus. The sunshine percentage is 60% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.1 hours of sunshine per day.
The ultraviolet index in Hermanus in September is typically 7.4 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 Hermanus in September is 15.8°C (60.4°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.
September weather is much drier than the previous month and rainfall continues to drop slightly into October. September has fewer days of rain than the previous month. The average total rainfall in Hermanus in September is 4.5cm (1.8inches) and on average there are 10.2 rainy days in September making it a pretty wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Hermanus in September is 12°C (53°F) which is very comfortable. The dew point is 11°C (51°F) in the previous month and 13°C (13°F) in the next month.
The average maximum relative humidity in Hermanus in September is typically 93.2%. The maximum relative humidity is 93.4% in the previous month and 92.8% in the next month.
The average relative humidity in Hermanus in September is typically 73.9%. The average relative humidity is 74.2% in the previous month and 73.8% in the next month.
The average maximum wind speed in Hermanus in September is typically 27KM/H (17MPH). The average maximum wind speed is 26KM/H (16MPH) in the previous month and 29KM/H (18MPH) in the next month.
The average wind speed in Hermanus in September is typically 13KM/H (8MPH). The average wind speed is 13KM/H (8MPH) in the previous month and 15KM/H (9MPH) in the next month.
The average wind direction in Hermanus 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.
