Landerneau Weather in September

With daytime temperatures of 20°C (68°F) and nighttime lows of 12°C (54°F), September in Landerneau brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 65 mm (2.6 in) falls on average.

Rainfall in Landerneau in September

On average, there are about 15 days with rain during this month, averaging 65 mm (2.6 in). With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Landerneau in September

September is one of the better months to visit Landerneau. Expect 20°C (68°F) during the day and 12°C (54°F) at night. The summer season takes place during September. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Landerneau in September

You can expect a moderate amount of sunlight, with approximately 168 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Landerneau 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

The water temperature is 15°C (59°F), chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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• 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 Landerneau's climate page.

Landerneau Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 20°C (68°F)  

Water Temperature 15°C (59°F) *  

Chance of Rain 50%  

Precipitation 65 mm (2.6 in)  

Rainy days 15 days  

Humidity 85% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 168 hours *  

Percentage Sunshine 45% *  

* Data from: Brest, France (11 KM, 7 Miles).

What to Wear in Landerneau 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. 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Landerneau 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 Landerneau's climate page.

More climate data for Landerneau

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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