Llandudno Weather in September

Llandudno in September sees moderate temperatures, with highs around 17°C (63°F) and overnight lows of 13°C (55°F). Around 49 mm (1.9 in) of rainfall is typical, so a light rain jacket is a sensible addition to your bag.

Rainfall in Llandudno in September

The climate data from previous years indicates about 11 days of rain, averaging 49 mm (1.9 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Llandudno in September

Llandudno in September gets highs of 17°C (63°F) during the day and drops to 13°C (55°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Llandudno in September

With approximately 225 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Wind Speed in Llandudno in September

Average wind conditions reach 5 m/s (10 knots) in September. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in September

With water at 15°C (59°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

Should you favor a climate that's both dry and comfortably warm, January, February, March, November and December typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.