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07:21
Sunrise
19:20
Sunset
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Waxing Gibbous
17:29
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View stargazing scoreWeather in Altenheim today, September 21, 2026
Altenheim looks cloudy on September 21, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. The first half of the day looks overcast, as cloud amounts reach about 98% around 11:00. Brighter weather, if it comes, waits until later.
The day peaks near 21°C and cools toward 12°C. Moisture in the air spans 30%-71%, with the highest values around 23:00. Winds stay light, near 4.1 km/h by 17:00, so the day feels still more than breezy.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 13:00. Outdoor plans may still want a flexible backup. Expect visibility near 42.0 km, with poorer spells close to 37.1 km. The sun rises at 07:21 and sets at 19:20, for a total of 11 hours 58 minutes of sunlight today.
The practical takeaway for Altenheim on September 21, 2026 is a cloudy day that stays usable, just not particularly bright, around 21°C.
Frequently asked questions about weather in Altenheim
How warm does it get in Altenheim?
The warmest month in Altenheim 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 Altenheim?
The coldest month in Altenheim 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 Altenheim?
The wettest month in Altenheim is January, with an average of 92mm of precipitation.
What is the driest time of year in Altenheim?
The driest month in Altenheim is April, with an average of 67mm of precipitation.
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