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Hourly Forecast
Daylight Hours
07:50
Sunrise
20:10
Sunset
Moon
Waxing Crescent
12:50
Moonrise
21:41
Moonset
Daily Forecast
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Weather in Saint-Sébastien-sur-Loire today, September 15, 2026
Saint-Sébastien-sur-Loire is set for a fine, sunny day on September 15, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. The morning looks comparatively open, with cloud near 3% around 08:00. Early outdoor plans have a better chance of staying dry and bright.
The temperature range runs from about 14°C up to 29°C. The air stays humid, with relative humidity between 32% and 84% and the peak around 08:00. Winds stay light, near 5.9 km/h by 19:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 100% by 19:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 34.8 km on average, though it can drop toward 21.3 km in thicker cloud or showers. The sun rises at 07:50 and sets at 20:10, for a total of 12 hours 19 minutes of sunlight today.
The practical takeaway for Saint-Sébastien-sur-Loire is a bright September 15, 2026, ideal for outdoor errands before temperatures ease from about 29°C.
Frequently asked questions about weather in Saint-Sébastien-sur-Loire
How warm does it get in Saint-Sébastien-sur-Loire?
The warmest month in Saint-Sébastien-sur-Loire is August, with average high temperatures of 25°C. The average temperature during this period is around 20°C.
How cold does it get in Saint-Sébastien-sur-Loire?
The coldest month in Saint-Sébastien-sur-Loire is January, with average low temperatures of 4°C. The average temperature during this period is around 6°C.
What is the wettest time of year in Saint-Sébastien-sur-Loire?
The wettest month in Saint-Sébastien-sur-Loire is October, with an average of 83mm of precipitation.
What is the driest time of year in Saint-Sébastien-sur-Loire?
The driest month in Saint-Sébastien-sur-Loire is August, with an average of 33mm of precipitation.
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