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September is one of the best months to visit St Martins for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.
The weather in September is marginally cooler than the previous month and temperatures continue to drop into October. September has average maximum temperatures of 17°C (63°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 50% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.3 hours of sunshine per day.
September has total rainfall of 0.7cm (0.3inches) making it predominantly dry with occasional light showers on very few days. There are just 9.9 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.
Sea temperatures are a cold 16°C (60°F). September is too cold for swimming in St Martins for any length of time, unless you have a wetsuit. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop slightly into October.
September is a pleasant month, with mild temperatures and sunny days. Swimming, sunbathing, and snorkeling are still enjoyable, although the sea temperature starts to drop slightly. Windsurfing and kitesurfing are also popular during this month, with consistent wind conditions for experienced enthusiasts. Also consider visiting St Martins in one of the other best months of June, July, August, for the best beach weather. Also consider one of our other suggestions for September.
No, September is not a good time for sunbathing in St Martins.
September has average maximum temperatures of 17°C (63°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 50% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.3 hours of sunshine per day. September has total rainfall of 0.7cm (0.3inches) making it predominantly dry with occasional light showers on very few days. There are just 9.9 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.
More about September temperature and sunshine.
No, September is too cold for swimming in St Martins 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 slightly cool time for a holiday in St Martins.
September has average maximum temperatures of 17°C (63°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 50% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.3 hours of sunshine per day. September has total rainfall of 0.7cm (0.3inches) making it predominantly dry with occasional light showers on very few days. There are just 9.9 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. Sea temperatures are a cold 16°C (60°F). September is too cold for swimming in St Martins for any length of time, unless you have a wetsuit.
More about the September temperatures and sunshine.
No, St Martins is not that warm but sunbathing may be possible on some clear days in September.
The average maximum temperature in St Martins in September is 17°C (63°F). The average maximum temperature is 19°C (65°) in the previous month and 15°C (59°F) in the next month.
The average temperature in St Martins in September is 16°C (60°F). The average temperature is 17°C (62°F) in the previous month and 14°C (56°F) in the next month.
More info about the September temperatures and sunshine.
The average day light hours per day in St Martins in September are 12.6. The sunshine percentage is 50% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.3 hours of sunshine per day.
More about September sunshine.
In September, the beach at St Martins sees a decrease in visitors, as the summer holidays come to an end and the weather starts to cool down. While it is still relatively busy, it is not as crowded as during the peak summer months.
The weather in September is marginally cooler than the previous month and temperatures continue to drop into October. The average maximum temperature in St Martins in September is 17°C (63°F). The average maximum temperature is 19°C (65°F) in the previous month and 15°C (59°F) in the next month.
The average temperature in St Martins in September is 16°C (60°F). The average temperature is 17°C (62°F) in the previous month and 14°C (56°F) in the next month.
The average minimum temperature in St Martins in September is 14°C (58°F). The minimum temperature is 15°C (59°F) in the previous month and 13°C (55°F) in the next month.
The days in September are shorter than the previous month and days continue to get shorter into October. September has far fewer hours of sunshine than the previous month and hours of sunshine continue to drop quickly into October. During September the average day light hours are 12.6 per day in St Martins. The sunshine percentage is 50% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.3 hours of sunshine per day.
The ultraviolet index in St Martins 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 Martins 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 marginally cooler than the previous month and temperatures continue to drop slightly into October.
September weather is slightly drier than the previous month. September has fewer days of rain than the previous month. The average total rainfall in St Martins in September is 0.7cm (0.3inches) and on average there are 9.9 rainy days in September making it a quite rainy time to visit the beach.
The maximum dew point (an indicator of humidity) in St Martins 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 12°C (12°F) in the next month.
The average maximum relative humidity in St Martins in September is typically 91.5%. The maximum relative humidity is 91.7% in the previous month and 91% in the next month.
The average relative humidity in St Martins in September is typically 82.6%. The average relative humidity is 80.9% in the previous month and 82.5% in the next month.
The average maximum wind speed in St Martins in September is typically 31KM/H (19MPH). The average maximum wind speed is 30KM/H (18MPH) in the previous month and 36KM/H (22MPH) in the next month.
The average wind speed in St Martins in September is typically 22KM/H (14MPH). The average wind speed is 21KM/H (13MPH) in the previous month and 27KM/H (17MPH) in the next month.
The average wind direction in St Martins in September is from the West-Northwest.
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.
