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Saint-Sébastien-sur-Loire Weather in September
With daytime temperatures of 23°C (73°F) and nighttime lows of 12°C (54°F), September in Saint-Sébastien-sur-Loire brings high temperatures during the day. The excellent weather makes it an appealing time to visit.
Rainfall in Saint-Sébastien-sur-Loire in September
Records from the past 30 years suggest around 12 days of rain, with 56 mm (2.2 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-Sébastien-sur-Loire in September
September is a excellent month in Saint-Sébastien-sur-Loire, with 23°C (73°F) during the day and 12°C (54°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 12°C (54°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-Sébastien-sur-Loire in September
There are approximately 195 hours of sunshine this month, resulting in mostly clear days.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Saint-Sébastien-sur-Loire.
Saint-Sébastien-sur-Loire Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
23°C (73°F)
Chance of Rain
40%
Precipitation
56 mm (2.2 in)
Rainy days
12 days
Humidity
80% *
Sunshine
195 hours *
Percentage Sunshine
51% *
* Data from: Nantes, France (4 KM, 2 Miles).
Saint-Sébastien-sur-Loire Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Sébastien-sur-Loire - 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-Sébastien-sur-Loire 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Saint-Sébastien-sur-Loire in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Camping8/10 -
Outdoor sports10/10
Saint-Sébastien-sur-Loire 3-Day Forecast
More climate data for Saint-Sébastien-sur-Loire
Temperature Rainfall Sunshine Humidity
See the full Saint-Sébastien-sur-Loire 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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