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Hourly Forecast
Daylight Hours
08:16
Sunrise
19:52
Sunset
Moon
Waning Gibbous
19:59
Moonrise
09:02
Moonset
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View stargazing scoreWeather in Lannion today, September 27, 2026
Expect a muted, overcast feel in Lannion on September 27, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief.
The day peaks near 20°C and cools toward 12°C. The air stays humid, with relative humidity between 78% and 94% and the peak around 23:00. A lighter breeze peaks around 14:00 near 5.2 km/h.
Afternoon skies stay clogged, peaking close to 100% near 15:00. The grey theme continues rather than clearing out. Visibility holds near 26.2 km, though it can fall to 12.8 km. Daylight runs from 08:16 to 19:52, lasting 11 hours 36 minutes of sunlight today.
The practical takeaway for Lannion on September 27, 2026 is a cloudy day that stays usable, just not particularly bright, around 20°C.
Frequently asked questions about weather in Lannion
How warm does it get in Lannion?
The warmest month in Lannion is August, with average high temperatures of 19°C. The average temperature during this period is around 17°C.
How cold does it get in Lannion?
The coldest month in Lannion is January, with average low temperatures of 7°C. The average temperature during this period is around 8°C.
What is the wettest time of year in Lannion?
The wettest month in Lannion is December, with an average of 131mm of precipitation.
What is the driest time of year in Lannion?
The driest month in Lannion is July, with an average of 41mm of precipitation.
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