Llandudno
United Kingdom
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Llandudno, United Kingdom

Sea temperature

In Llandudno, United Kingdom, in September, the average water temperature is 16°C (60.8°F).
Note: For swimming, a surface water temperature of 16°C (60.8°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).

Daylight

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

How cold is the water in September in Llandudno?

In September, the average sea temperature in Llandudno, United Kingdom, is 16°C (60.8°F). For most, swimming in 16°C (60.8°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).

How many hours of daylight does Llandudno have in September?

In September, the average length of the day is 12.7h.
Average sea temperature in September - Llandudno, United Kingdom
  • Average sea temperature in September: 16°C

The best month for swimming (with the highest average sea temperature) is August (16.3°C).
Coldest months (with the lowest average sea temperature) are February and March (7.7°C).

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

The month with the longest days is June (Average daylight: 16.9h).
The month with shortest days is December (Average daylight: 7.6h).