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19°
Overcast
Feels Like: 19°
Min: 14°
Max: 22°
The next few hours will be foggy, with today reaching 22°C and dropping to 15°C. The coming days will be mostly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:59
Sunrise
20:01
Sunset
Moon
Waxing Gibbous
17:31
Moonrise
01:41
Moonset
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View stargazing scoreWeather in Challans tomorrow, September 21, 2026
Challans starts September 21, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. Cloud leads the morning, peaking close to 100% near 01:00. Sunshine has little room until later in the day.
Expect highs of 26°C and cooler readings close to 15°C. Moisture in the air spans 39%-96%, with the highest values around 05:00. Airflow remains manageable, reaching about 4.1 km/h around 17:00.
Afternoon conditions open up, holding cloud close to 29% near 12:00. The day finishes on a milder, brighter note. Expect visibility near 23.9 km, with poorer spells close to 6.6 km. The sun rises at 08:00 and sets at 19:58, for a total of 11 hours 58 minutes of sunlight today.
Overall, Challans on September 21, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 26°C.
Frequently asked questions about weather in Challans
How warm does it get in Challans?
The warmest month in Challans is August, with average high temperatures of 23°C. The average temperature during this period is around 20°C.
How cold does it get in Challans?
The coldest month in Challans is January, with average low temperatures of 6°C. The average temperature during this period is around 8°C.
What is the wettest time of year in Challans?
The wettest month in Challans is November, with an average of 92mm of precipitation.
What is the driest time of year in Challans?
The driest month in Challans is July, with an average of 33mm of precipitation.
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