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Saint-Jean-le-Thomas Weather in September
During September, Saint-Jean-le-Thomas experiences pleasant daytime temperatures of 20°C (68°F) and cooler nights around 14°C (57°F). As part of the summer season, expect quite a bit of rainfall. Around 98 mm (3.9 in) is typical.
Rainfall in Saint-Jean-le-Thomas in September
You can expect rain on roughly 13 days based on historical data, averaging 98 mm (3.9 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Saint-Jean-le-Thomas in September
Weather in Saint-Jean-le-Thomas is at its excellent in September. Highs reach 20°C (68°F), while nights settle around 14°C (57°F). During September, the summer season is in full swing. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 14°C (57°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 Saint-Jean-le-Thomas in September
The month brings about 169 hours of sunlight, offering a comfortable mix of sun and overcast.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Saint-Jean-le-Thomas Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
20°C (68°F)
Chance of Rain
42%
Precipitation
98 mm (3.9 in)
Rainy days
13 days
Humidity
82% *
Sunshine
169 hours *
Percentage Sunshine
*
* Data from: Saint Malo, France (37 KM, 23 Miles).
Saint-Jean-le-Thomas Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Jean-le-Thomas - 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-le-Thomas in September
For Saint-Jean-le-Thomas 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Saint-Jean-le-Thomas in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Saint-Jean-le-Thomas 3-Day Forecast
More climate data for Saint-Jean-le-Thomas
Temperature Rainfall Sunshine Humidity
See the full Saint-Jean-le-Thomas climate overview or explore weather in France.
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Where to go in September - average daytime high across popular destinations.
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The 10 most charming villages in France
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