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Hourly Forecast
Daylight Hours
07:20
Sunrise
19:38
Sunset
Moon
Waxing Crescent
13:47
Moonrise
21:20
Moonset
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Weather in Aachen today, September 16, 2026
Rain features in Aachen on September 16, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Morning plans should assume damp conditions, as rain chances climb toward 74% around 10:00. Cloud cover is also at its densest near 11:00 at roughly 84%.
Expect highs of 18°C and cooler readings close to 14°C. Relative humidity sits between 73% and 91%, reaching its peak around 21:00. Airflow remains manageable, reaching about 4.9 km/h around 14:00.
The second half of the day still looks unsettled, with rain probability around 90% by 15:00. Dense cloud near 80% at 14:00 keeps the feel grey. Expect visibility near 27.9 km, with poorer spells close to 20.0 km. Sunrise is at 07:20 and sunset at 19:38, giving 12 hours 17 minutes of sunlight today.
In short, treat September 16, 2026 in Aachen as a damp day: pack covers, watch the wetter hours, and expect a high near 18°C.
Frequently asked questions about weather in Aachen
How warm does it get in Aachen?
The warmest month in Aachen 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 Aachen?
The coldest month in Aachen is January, with average low temperatures of 1°C. The average temperature during this period is around 3°C.
What is the wettest time of year in Aachen?
The wettest month in Aachen is January, with an average of 99mm of precipitation.
What is the driest time of year in Aachen?
The driest month in Aachen is April, with an average of 60mm of precipitation.
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