Roscanvel Weather in September

Roscanvel in September averages 18°C (64°F) during the day and 14°C (57°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Roscanvel in September

You can expect rain on around 15 days based on historical patterns, with 70 mm (2.8 in) average for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Roscanvel in September

Daytime temperatures in Roscanvel reach 18°C (64°F) in September, dropping to 14°C (57°F) at night. Conditions are often most pleasant around the middle of the day. 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.

Sunshine in Roscanvel in September

The area experiences a moderate amount of sunshine, with approximately 168 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Roscanvel in September

Wind speeds average 4 m/s (8 knots) during September. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

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 your ideal day consists of dry skies and pleasant temperatures, July, August and September typically offer the best circumstances for Roscanvel.

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

Roscanvel Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 18°C (64°F)  

Water Temperature 15°C (59°F) *  

Chance of Rain 51%  

Precipitation 70 mm (2.8 in)  

Rainy days 15 days  

Humidity 85% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 168 hours *  

Percentage Sunshine 45% *  

* Data from: Brest, France (17 KM, 11 Miles).

What to Wear in Roscanvel 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. With water temperatures around 15°C (59°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Roscanvel in September

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

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 Roscanvel's climate page.

More climate data for Roscanvel

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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