Châteaulin Weather in September

Châteaulin in September sees pleasant daytime temperatures of 20°C (68°F) and nighttime lows of 12°C (54°F). Rainfall is fairly high this month at around 69 mm (2.7 in), so pack a rain jacket to stay dry.

Rainfall in Châteaulin in September

Past climate data indicates that roughly 15 days will see rain, totalling around 69 mm (2.7 in) 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 Châteaulin in September

If you're visiting Châteaulin in September, expect perfect temperatures with highs of 20°C (68°F) and overnight lows of 12°C (54°F). The summer season takes place during September. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 12°C (54°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 Châteaulin in September

The month experiences a moderate amount of sunlight, with 168 hours of sunshine. This provides a nice balance between sunshine and clouds.

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

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

Châteaulin Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 50%  

Precipitation 69 mm (2.7 in)  

Rainy days 15 days  

Humidity 85% *  

Sunshine 168 hours *  

Percentage Sunshine 45% *  

* Data from: Brest, France (37 KM, 23 Miles).

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

What To Do in Châteaulin 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 Châteaulin's climate page.

More climate data for Châteaulin

Temperature Rainfall Sunshine Humidity

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