Saint-Brieuc Weather in September

September in Saint-Brieuc averages 21°C (70°F) during the day and 12°C (54°F) at night. The perfect conditions and moderate rainfall make it a solid month to visit.

Rainfall in Saint-Brieuc in September

Expect around 14 days of rain based on historical data, with 56 mm (2.2 in) average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Saint-Brieuc in September

September is a good time to be in Saint-Brieuc. Days are perfect, reaching 21°C (70°F), with nights around 12°C (54°F). September is typically considered a summer month. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows of 12°C (54°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Saint-Brieuc in September

With about 169 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Saint-Brieuc.

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

Saint-Brieuc Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 45%  

Precipitation 56 mm (2.2 in)  

Rainy days 14 days  

Humidity 82% *  

Sunshine 169 hours *  

Percentage Sunshine *  

* Data from: Saint Malo, France (56 KM, 35 Miles).

What to Wear in Saint-Brieuc 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. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Saint-Brieuc 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

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 Saint-Brieuc's climate page.

More climate data for Saint-Brieuc

Temperature Rainfall Sunshine Humidity

See the full Saint-Brieuc climate overview or explore weather in France.