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Lannion Weather in September
In Lannion, September brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 14°C (57°F). Expect quite a bit of rainfall this month.
Rainfall in Lannion in September
You can typically expect 14 days of rain this month, averaging around 63 mm (2.5 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Lannion in September
September in Lannion brings pleasant temperatures, with highs of 19°C (66°F) and nights around 14°C (57°F). September is part of the summer season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 14°C (57°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.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Lannion.
Lannion Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
19°C (66°F)
Chance of Rain
46%
Precipitation
63 mm (2.5 in)
Rainy days
14 days
Lannion Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Lannion - and find the best time to visit.
Best Places in France in September
Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Lannion in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days.
What To Do in Lannion in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Camping8/10 -
Outdoor sports10/10
Lannion 3-Day Forecast
More climate data for Lannion
See the full Lannion climate overview or explore weather in France.
Popular in September
Where to go in September - average daytime high across popular destinations.
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