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Hourly Forecast
Daylight Hours
07:38
Sunrise
19:40
Sunset
Moon
Waxing Gibbous
17:31
Moonrise
00:59
Moonset
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View stargazing scoreWeather in Roubaix tomorrow, September 21, 2026
Cloud cover dominates in Roubaix on September 21, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. The first half of the day looks overcast, as cloud amounts reach about 100% around 01:00. Brighter weather, if it comes, waits until later.
The day peaks near 20°C and cools toward 11°C. Expect humidity between 52% and 85%, most humid near 07:00. Expect gentle winds, highest near 18:00 at 2.5 km/h.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 35.5 km on average, though it can drop toward 29.2 km in thicker cloud or showers. Daylight runs from 07:40 to 19:38, lasting 11 hours 58 minutes of sunlight today.
The practical takeaway for Roubaix on September 21, 2026 is a cloudy day that stays usable, just not particularly bright, around 20°C.
Frequently asked questions about weather in Roubaix
How warm does it get in Roubaix?
The warmest month in Roubaix is August, with average high temperatures of 23°C. The average temperature during this period is around 19°C.
How cold does it get in Roubaix?
The coldest month in Roubaix is January, with average low temperatures of 2°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Roubaix?
The wettest month in Roubaix is January, with an average of 82mm of precipitation.
What is the driest time of year in Roubaix?
The driest month in Roubaix is April, with an average of 48mm of precipitation.
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