Ballywalter
United Kingdom
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Ballywalter, United Kingdom

Sea temperature

August and September, with an average sea temperature of 14.3°C (57.7°F), are months with the warmest seawater in Ballywalter, United Kingdom.
Note: Swimming in 14.3°C (57.7°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in September in Ballywalter is 12.7h.

What are the months with the warmest sea water in Ballywalter?

Months with the warmest seawater in Ballywalter, United Kingdom, are August and September, with an average sea temperature of 14.3°C (57.7°F).

How cold is the water in September in Ballywalter?

In Ballywalter, United Kingdom, in September, the average water temperature is 14.3°C (57.7°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

How many hours of daylight does Ballywalter have in September?

The average length of the day in September in Ballywalter is 12.7h.
Average sea temperature in September - Ballywalter, United Kingdom
  • Average sea temperature in September: 14.3°C

Best months for swimming (with the highest average sea temperature) are August and September (14.3°C).
The coldest month (with the lowest average sea temperature) is March (7.8°C).

Average daylight in September - Ballywalter, United Kingdom
  • Average daylight in September: 12.7h

The month with the longest days is June (Average daylight: 17.2h).
The month with shortest days is December (Average daylight: 7.4h).