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.

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For a detailed overview over the year and the best time to visit France, check out our Lannion's climate page.

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  

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.

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our Lannion's climate page.

More climate data for Lannion

Temperature Rainfall

See the full Lannion climate overview or explore weather in France.