Saint-Jean-Trolimon Weather in September

Saint-Jean-Trolimon in September averages 19°C (66°F) during the day and 15°C (59°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Saint-Jean-Trolimon in September

Climate statistics over the past 30 years suggest around 15 days of rain, with 64 mm (2.5 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Saint-Jean-Trolimon in September

Expect highs of 19°C (66°F) in Saint-Jean-Trolimon in September, with nights dropping to around 15°C (59°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 15°C (59°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 Saint-Jean-Trolimon in September

The city usually sees around 168 hours of sunlight, indicating a moderately sunny period.

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

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

Saint-Jean-Trolimon Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 50%  

Precipitation 64 mm (2.5 in)  

Rainy days 15 days  

Humidity 85% *  

Sunshine 168 hours *  

Percentage Sunshine 45% *  

* Data from: Brest, France (65 KM, 40 Miles).

What to Wear in Saint-Jean-Trolimon 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-Jean-Trolimon 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 Saint-Jean-Trolimon's climate page.

More climate data for Saint-Jean-Trolimon

Temperature Rainfall Sunshine Humidity

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