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The weather in September is marginally cooler than the previous month and temperatures continue to drop into October. September has average maximum temperatures of 18°C (65°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 30.3% making it very cloudy and overcast with some periods of sunshine. There are 3.8 hours of sunshine per day. It is not a good time for sunbathing in Ireland.
September has total rainfall of 25.1cm (9.9inches) making it quite rainy but mostly with moderate showers. There are only 13.5 days with some rainfall so you can still enjoy the beach on the many clear days.
Sea temperatures are a cold 16°C (61°F). September is too cold for swimming in Ireland 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 into October.
Consider visiting Ireland in the months of May, 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 Ireland.
September has average maximum temperatures of 18°C (65°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 30.3% making it very cloudy and overcast with some periods of sunshine. There are 3.8 hours of sunshine per day. September has total rainfall of 25.1cm (9.9inches) making it quite rainy but mostly with moderate showers. There are only 13.5 days with some rainfall so you can still enjoy the beach on the many clear days.
More about September temperature and sunshine.
No, September is too cold for swimming in Ireland 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 good time for a holiday in Ireland.
September has average maximum temperatures of 18°C (65°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 30.3% making it very cloudy and overcast with some periods of sunshine. There are 3.8 hours of sunshine per day. September has total rainfall of 25.1cm (9.9inches) making it quite rainy but mostly with moderate showers. There are only 13.5 days with some rainfall so you can still enjoy the beach on the many clear days. It is not a good time for sunbathing in Ireland. Sea temperatures are a cold 16°C (61°F). September is too cold for swimming in Ireland for any length of time, unless you have a wetsuit.
More about the September temperatures and sunshine.
Yes, Ireland is not that warm but sunbathing may be possible on some clear days in September.
The average maximum temperature in Ireland in September is 18°C (65°F). The average maximum temperature is 19°C (65°) in the previous month and 15°C (60°F) in the next month.
The average temperature in Ireland in September is 15°C (58°F). The average temperature 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 day light hours per day in Ireland in September are 12.7. The sunshine percentage is 30.3% making it very cloudy and overcast with some periods of sunshine. There are 3.8 hours of sunshine per day.
More about September sunshine.
The weather in September is marginally cooler than the previous month and temperatures continue to drop into October. The average maximum temperature in Ireland in September is 18°C (65°F). The average maximum temperature is 19°C (65°F) in the previous month and 15°C (60°F) in the next month.
The average temperature in Ireland in September is 15°C (58°F). The average temperature is 16°C (60°F) in the previous month and 12°C (54°F) in the next month.
The average minimum temperature in Ireland in September is 12°C (53°F). The minimum temperature is 13°C (55°F) in the previous month and 10°C (49°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 into October. During September the average day light hours are 12.7 per day in Ireland. The sunshine percentage is 30.3% making it very cloudy and overcast with some periods of sunshine. There are 3.8 hours of sunshine per day.
The ultraviolet index in Ireland in September is typically 3.9 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 Ireland 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 sea temperature in September is marginally cooler than the previous month and temperatures continue to drop into October.
September weather is much wetter than the previous month. September has far fewer days of rain than the previous month. The average total rainfall in Ireland in September is 25.1cm (9.9inches) and on average there are 13.5 rainy days in September making it a pretty wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Ireland in September is 14°C (57°F) which is comfortable for everyone. The dew point is 14°C (57°F) in the previous month and 12°C (12°F) in the next month.
The average maximum relative humidity in Ireland in September is typically 96.2%. The maximum relative humidity is 94% in the previous month and 95.9% in the next month.
The average relative humidity in Ireland in September is typically 80.9%. The average relative humidity is 79.9% in the previous month and 84.6% in the next month.
The average maximum wind speed in Ireland in September is typically 23KM/H (14MPH). The average maximum wind speed is 24KM/H (15MPH) in the previous month and 26KM/H (16MPH) in the next month.
The average wind speed in Ireland in September is typically 12KM/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 Ireland in September is from the South-Southwest.
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.
