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Hourly Forecast
Daylight Hours
07:41
Sunrise
19:43
Sunset
Moon
Waxing Gibbous
17:23
Moonrise
01:13
Moonset
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View stargazing scoreWeather in Fontenay-sous-Bois tomorrow, September 21, 2026
Expect a mostly clear day in Fontenay-sous-Bois on September 21, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. Cloud leads the morning, peaking close to 100% near 03:00. Sunshine has little room until later in the day.
Expect highs of 23°C and cooler readings close to 12°C. The air stays humid, with relative humidity between 35% and 90% and the peak around 05:00. A lighter breeze peaks around 16:00 near 2.7 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 85% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility near 33.7 km, with poorer spells close to 22.4 km. Expect sunrise at 07:43, sunset at 19:41, and 11 hours 58 minutes of sunlight today overall.
The practical takeaway for Fontenay-sous-Bois is a bright September 21, 2026, ideal for outdoor errands before temperatures ease from about 23°C.
Frequently asked questions about weather in Fontenay-sous-Bois
How warm does it get in Fontenay-sous-Bois?
The warmest month in Fontenay-sous-Bois is July, with average high temperatures of 26°C. The average temperature during this period is around 21°C.
How cold does it get in Fontenay-sous-Bois?
The coldest month in Fontenay-sous-Bois is January, with average low temperatures of 2°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Fontenay-sous-Bois?
The wettest month in Fontenay-sous-Bois is October, with an average of 82mm of precipitation.
What is the driest time of year in Fontenay-sous-Bois?
The driest month in Fontenay-sous-Bois is April, with an average of 51mm of precipitation.
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