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Hourly Forecast
Daylight Hours
07:36
Sunrise
19:53
Sunset
Moon
Waxing Crescent
13:53
Moonrise
21:47
Moonset
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Weather in Boulogne-Billancourt today, September 16, 2026
Expect a muted, overcast feel in Boulogne-Billancourt on September 16, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief.
Temperatures climb from an overnight low near 14°C toward a daytime high of about 22°C. The air stays humid, with relative humidity between 44% and 77% and the peak around 23:00. A lighter breeze peaks around 14:00 near 4.1 km/h.
Expect persistent cloud later on, with amounts around 100% by 22:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 40.1 km on average, though it can drop toward 34.5 km in thicker cloud or showers. Daylight runs from 07:36 to 19:53, lasting 12 hours 16 minutes of sunlight today.
In short, cloud leads the story in Boulogne-Billancourt on September 16, 2026; expect limited sun and a peak around 22°C.
Frequently asked questions about weather in Boulogne-Billancourt
How warm does it get in Boulogne-Billancourt?
The warmest month in Boulogne-Billancourt is July, with average high temperatures of 26°C. The average temperature during this period is around 20°C.
How cold does it get in Boulogne-Billancourt?
The coldest month in Boulogne-Billancourt 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 Boulogne-Billancourt?
The wettest month in Boulogne-Billancourt is October, with an average of 81mm of precipitation.
What is the driest time of year in Boulogne-Billancourt?
The driest month in Boulogne-Billancourt is August, with an average of 52mm of precipitation.
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