September weather forecastCarrigaline, Ireland

September

Weather in September

In Carrigaline, September begins to witness a decline in warmth as sea temperatures drop to 15.7°C (60.3°F). The initial signs of autumn gradually start to reveal themselves. Fading summer blooms and lengthening shadows add a mystic charm to the cityscape. Despite the noticeable change of seasons, September can still boast relatively pleasant weather, inviting residents to enjoy the outdoors. As October approaches, citizens anticipate a further decrease in temperature, marking a clear transition towards autumn.

Sea temperature

In September, the average sea temperature is 15.7°C (60.3°F).
Note: Most people do not enjoy swimming in water that is 15.7°C (60.3°F). Breathing becomes increasingly challenging as the water temperature dips under 21°C (69.8°F).

Daylight

The average length of the day in September in Carrigaline is 12h and 38min.
On the first day of the month, sunrise is at 6:46 am and sunset at 8:20 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:13 pm IST.

Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Carrigaline, in September, the average water temperature is 15.7°C (60.3°F). For swimming, a surface water temperature of 15.7°C (60.3°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

In September, the average day length in Carrigaline, Ireland, is 12h and 38min.

In September, on the first day of the month, sunrise is at 6:46 am and sunset at 8:20 pm. On the last day of the month, in Carrigaline, sunrise is at 7:33 am and sunset at 7:13 pm IST.

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Average sea temperature

Average daylight

Average sea temperature in September
Carrigaline, Ireland

Average sea temperature in September: 15.7°C

The best month for swimming (with the highest average sea temperature) is August (16.4°C).
The coldest month (with the lowest average sea temperature) is March (9.4°C).

Average daylight in September
Carrigaline, Ireland

Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).