Guissény Weather in September

September in Guissény brings pleasant temperatures around 19°C (66°F) during the day, dropping to 14°C (57°F) at night, with some rainfall expected.

Rainfall in Guissény in September

The climate data from previous years indicates about 15 days of rain, averaging 58 mm (2.3 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Guissény in September

Expect highs of 19°C (66°F) in Guissény in September, with nights dropping to around 14°C (57°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Guissény in September

With about 168 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Wind Speed in Guissény in September

Wind speeds average 4 m/s (8 knots) during September. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

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.

For Guissény itself, August generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.