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Hourly Forecast
Daylight Hours
07:33
Sunrise
19:16
Sunset
Moon
Waxing Gibbous
18:48
Moonrise
05:47
Moonset
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View stargazing scoreWeather in Grevenmacher today, September 25, 2026
Grevenmacher starts September 25, 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. The first half of the day looks overcast, as cloud amounts reach about 100% around 11:00. Brighter weather, if it comes, waits until later.
Temperatures climb from an overnight low near 8°C toward a daytime high of about 23°C. The air stays humid, with relative humidity between 27% and 78% and the peak around 08:00. Expect gentle winds, highest near 13:00 at 1.8 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility near 43.0 km, with poorer spells close to 37.8 km. Expect sunrise at 07:33, sunset at 19:16, and 11 hours 42 minutes of sunlight today overall.
The practical takeaway for Grevenmacher is a bright September 25, 2026, ideal for outdoor errands before temperatures ease from about 23°C.
Frequently asked questions about weather in Grevenmacher
How warm does it get in Grevenmacher?
The warmest month in Grevenmacher is August, with average high temperatures of 24°C. The average temperature during this period is around 19°C.
How cold does it get in Grevenmacher?
The coldest month in Grevenmacher is January, with average low temperatures of 0°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Grevenmacher?
The wettest month in Grevenmacher is January, with an average of 102mm of precipitation.
What is the driest time of year in Grevenmacher?
The driest month in Grevenmacher is August, with an average of 61mm of precipitation.