Weather in September
The end of summer and the onset of autumn is signaled by the weather in Dungarvan's September. As the month progresses, the sea temperature sees a significant drop to 15.5°C (59.9°F). This change from August's warmer days is a clear indication of the changing season. Corresponding with the dip in temperature, daylight hours begin to shrink, with the sun setting earlier each day. September's weather stages the twilight of summer and ushers in the crispness of October.
Note: Most people find swimming in 15.5°C (59.9°F) unenjoyable. As the water temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes harder.
On the first day of the month, sunrise is at 6:43 am and sunset at 8:17 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:09 pm IST.
[Resources]Sea temperature
In September, the average sea temperature in Dungarvan, Ireland, is 15.5°C (59.9°F).Note: Most people find swimming in 15.5°C (59.9°F) unenjoyable. As the water temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes harder.
Daylight
In September, the average length of the day is 12h and 39min.On the first day of the month, sunrise is at 6:43 am and sunset at 8:17 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:09 pm IST.
Frequently asked questions
How cold is the water in September in Dungarvan?
In September, the average sea temperature in Dungarvan, Ireland, is 15.5°C (59.9°F). For swimming, a surface water temperature of 15.5°C (59.9°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).
How many hours of daylight does Dungarvan have in September?
In September, the average day length is 12h and 39min.
When are sunrise and sunset in September in Dungarvan?
On the first day of September in Dungarvan, sunrise is at 6:43 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:09 pm IST.
Average sea temperature in September
Dungarvan, Ireland
- Average sea temperature in September: 15.5°C
The best month for swimming (with the highest average sea temperature) is August (16.3°C).
The coldest month (with the lowest average sea temperature) is March (9.3°C).
Average daylight in September
Dungarvan, Ireland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
Dungarvan, Ireland
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