Lanhouarneau Weather in September

In Lanhouarneau, September brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 13°C (55°F). Expect quite a bit of rainfall this month.

Rainfall in Lanhouarneau in September

This month experiences about 15 days of rain according to historical data, averaging 61 mm (2.4 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Lanhouarneau in September

In September, Lanhouarneau gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 13°C (55°F). Experience the summer season in September. Even when the weather is stable, mornings and evenings can still feel distinctly cool. 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 Lanhouarneau 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 Lanhouarneau in September

September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

Average water temperature in September

At 15°C (59°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

If you prefer dry days with pleasant temperatures, July and August typically offer 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.

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

Lanhouarneau Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 19°C (66°F)  

Water Temperature 15°C (59°F) *  

Chance of Rain 50%  

Precipitation 61 mm (2.4 in)  

Rainy days 15 days  

Humidity 85% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 168 hours *  

Percentage Sunshine 45% *  

* Data from: Brest, France (20 KM, 12 Miles).

What to Wear in Lanhouarneau in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. The water temperature sits at about 15°C (59°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Lanhouarneau in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

10/10

Walking

10/10

Barbeque

7/10

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 Lanhouarneau's climate page.

More climate data for Lanhouarneau

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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