September weather forecastDungarvan, Ireland

September

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.

Sea temperature

In Dungarvan, in September, the average water temperature is 15.5°C (59.9°F).
Note: Swimming in water that is 15.5°C (59.9°F) is not enjoyable for most. Breathing becomes more challenging to manage as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in September is 12h and 39min.
On the first day of September, 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.

Frequently asked questions

In Dungarvan, Ireland, in September, the average water temperature is 15.5°C (59.9°F). For most, swimming in 15.5°C (59.9°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

In Dungarvan, Ireland, the average day length in September is 12h and 39min.

On the first day of September, 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 36min

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).