Roscoff Weather in September

September in Roscoff brings pleasant temperatures, with highs of 18°C (64°F) and nights dropping to 14°C (57°F). Expect some rainfall, with around 60 mm (2.4 in) typical for the month.

Rainfall in Roscoff in September

Typically, about 15 days will experience rainfall, with an average of 60 mm (2.4 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Roscoff in September

If you're visiting Roscoff in September, expect highs of 18°C (64°F) and overnight lows around 14°C (57°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Roscoff in September

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

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Roscoff.

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

Roscoff Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 48%  

Precipitation 60 mm (2.4 in)  

Rainy days 15 days  

Humidity 85% *  

Sunshine 168 hours *  

Percentage Sunshine 45% *  

* Data from: Brest, France (44 KM, 27 Miles).

What to Wear in Roscoff in September

For Roscoff in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Roscoff 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 Roscoff's climate page.

More climate data for Roscoff

Temperature Rainfall Sunshine Humidity

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