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Hourly Forecast
Daylight Hours
06:52
Sunrise
19:18
Sunset
Moon
Waxing Crescent
12:33
Moonrise
20:01
Moonset
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Weather in Ishøj today, September 15, 2026
Ishøj starts September 15, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Cloud leads the morning, peaking close to 90% near 10:00. Sunshine has little room until later in the day.
Expect highs of 19°C and cooler readings close to 12°C. Moisture in the air spans 78%-95%, with the highest values around 23:00. Winds stay light, near 4.0 km/h by 15:00, so the day feels still more than breezy.
Through the afternoon wet weather remains a factor, with rain chances near 86% around 21:00. Cloud also stays substantial, close to 100% near 17:00. Visibility holds near 24.0 km, though it can fall to 12.6 km. The sun rises at 06:52 and sets at 19:18, for a total of 12 hours 25 minutes of sunlight today.
The practical takeaway for Ishøj on September 15, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 19°C.
Frequently asked questions about weather in Ishøj
How warm does it get in Ishøj?
The warmest month in Ishøj is August, with average high temperatures of 20°C. The average temperature during this period is around 18°C.
How cold does it get in Ishøj?
The coldest month in Ishøj is January, with average low temperatures of 1°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Ishøj?
The wettest month in Ishøj is July, with an average of 83mm of precipitation.
What is the driest time of year in Ishøj?
The driest month in Ishøj is April, with an average of 45mm of precipitation.
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