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Hourly Forecast
Daylight Hours
07:52
Sunrise
20:08
Sunset
Moon
Waxing Crescent
14:01
Moonrise
22:11
Moonset
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Weather in Saint-Herblain today, September 16, 2026
Saint-Herblain stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The morning sky stays heavily clouded, with cover near 75% around 11:00. Grey conditions set the early tone before any later change.
The day peaks near 23°C and cools toward 11°C. Relative humidity sits between 40% and 84%, reaching its peak around 23:00. Expect gentle winds, highest near 19:00 at 4.3 km/h.
Through the afternoon cloud remains the main feature, with cover near 96% around 23:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 37.9 km, briefly nearer 25.6 km. The sun rises at 07:52 and sets at 20:08, for a total of 12 hours 15 minutes of sunlight today.
The practical takeaway for Saint-Herblain on September 16, 2026 is a cloudy day that stays usable, just not particularly bright, around 23°C.
Frequently asked questions about weather in Saint-Herblain
How warm does it get in Saint-Herblain?
The warmest month in Saint-Herblain 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-Herblain?
The coldest month in Saint-Herblain is January, with average low temperatures of 4°C. The average temperature during this period is around 7°C.
What is the wettest time of year in Saint-Herblain?
The wettest month in Saint-Herblain is October, with an average of 81mm of precipitation.
What is the driest time of year in Saint-Herblain?
The driest month in Saint-Herblain is August, with an average of 34mm of precipitation.
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