Saint-Jean-Trolimon
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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.

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).

Saint-Jean-Trolimon Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Saint-Jean-Trolimon - and find the best time to visit.

Best Places in France in September

Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

Saint-Jean-Trolimon 3-Day Forecast

More climate data for Saint-Jean-Trolimon

Popular in September

Where to go in September - average daytime high across popular destinations.

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