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September is one of the best months to visit St Ives Bay for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.
Also consider one of our other suggestions for September.
No, September is not a good time for sunbathing in St Ives Bay. September is slightly too cold, and too cloudy or overcast to enjoy sunbathing and there is a high chance of rain showers.
The average maximum temperature in St Ives Bay in September is 17°C (63°F).
More about September temperature and sunshine.
No, September is too cold for swimming in St Ives Bay for any length of time, with the sea water at 16°C (61°F), unless you have a wetsuit.
More about September sea temperatures.
Yes, September is a slightly cool time for a holiday in St Ives Bay.
September is slightly cool and quite sunny but with occasional periods of cloudy and overcast skies. It is rainy with occasional dry periods but many rainy days.
It's a bit chilly for sunbathing and swimming but you can still enjoy the beach scenery with walks along the beach and other activities.
The average maximum temperature in St Ives Bay in September is 17°C (63°F).
More about the September temperatures and sunshine.
The average minimum temperature in St Ives Bay in September is 12°C (53°F). The minimum temperature is 13°C (56°F) in the previous month and 10°C (50°F) in the next month.
More about the September temperatures and sunshine.
The average day light hours per day in St Ives Bay in September are 12.6 and there are 5.3 hours of sunshine per day on average during September, making it quite sunny but with occasional periods of cloudy and overcast skies.
More about September sunshine.
No, September is too cold for swimming in St Ives Bay for any length of time, with the sea water at 16°C (61°F), unless you have a wetsuit.
More about September sea temperatures.
No, St Ives Bay is slightly cool in September.
The average maximum temperature in St Ives Bay in September is 17°C (63°F). The average maximum temperature is 18°C (65°) in the previous month and 15°C (59°F) in the next month.
The average temperature in St Ives Bay in September is 14°C (58°F). The average temperature ranges is 16°C (60°F) in the previous month and 12°C (54°F) in the next month.
More info about the September temperatures and sunshine.
The average maximum temperature in St Ives Bay in September is 17°C (63°F). The average maximum temperature is 18°C (65°F) in the previous month and 15°C (59°F) in the next month.
The average temperature in St Ives Bay in September is 14°C (58°F). The average temperature ranges is 16°C (60°F) in the previous month and 12°C (54°F) in the next month.
The average minimum temperature in St Ives Bay in September is 12°C (53°F). The minimum temperature is 13°C (56°F) in the previous month and 10°C (50°F) in the next month.
The average day light hours per day in St Ives Bay in September are 12.6 and there are 5.3 hours of sunshine per day on average during September making it quite sunny but with occasional periods of cloudy and overcast skies
The ultraviolet index in St Ives Bay in September is typically 4.4 during September. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive 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, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in St Ives Bay in September is 16.1°C (61.0°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.
The average total rainfall in St Ives Bay in September is 0.4cm (0.2inches) and on average there are 15.2 rainy days in September making it a wet time to visit the beach.
The maximum dew point (an indicator of humidity) in St Ives Bay in September is 14°C (58°F) which is comfortable for everyone. The dew point is 15°C (59°F) in the previous month and 13°C (13°F) in the next month.
The average maximum relative humidity in St Ives Bay in September is typically 96.9%. The maximum relative humidity is 97.6% in the previous month and 97.2% in the next month.
The average relative humidity in St Ives Bay in September is typically 86.4%. The average relative humidity is 86.4% in the previous month and 87.2% in the next month.
The average maximum wind speed in St Ives Bay in September is typically 27KM/H (17MPH). The average maximum wind speed is 26KM/H (16MPH) in the previous month and 30KM/H (19MPH) in the next month.
The average wind speed in St Ives Bay in September is typically 17KM/H (11MPH). The average wind speed is 16KM/H (10MPH) in the previous month and 20KM/H (12MPH) in the next month.
The average wind direction in St Ives Bay in September is from the West.
