See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
16°
Partly Cloudy
Feels Like: 15°
Min: 16°
Max: 25°
The next few hours will be partly cloudy, with today reaching 25°C and dropping to 16°C. The coming days will be mostly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:12
Sunrise
19:34
Sunset
Moon
Waxing Crescent
12:29
Moonrise
20:44
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
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UV Index
Humidity
Weather in Hemer today, September 15, 2026
Hemer 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 61% near 06:00. Sunshine has little room until later in the day.
The day peaks near 25°C and cools toward 16°C. Moisture in the air spans 59%-96%, with the highest values around 04:00. A lighter breeze peaks around 13:00 near 3.5 km/h.
Expect persistent cloud later on, with amounts around 100% by 21:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 27.8 km on average, though it can drop toward 2.8 km in thicker cloud or showers. Expect sunrise at 07:12, sunset at 19:34, and 12 hours 22 minutes of sunlight today overall.
In short, treat September 15, 2026 in Hemer as a damp day: pack covers, watch the wetter hours, and expect a high near 25°C.
Frequently asked questions about weather in Hemer
How warm does it get in Hemer?
The warmest month in Hemer 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 Hemer?
The coldest month in Hemer 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 Hemer?
The wettest month in Hemer is January, with an average of 101mm of precipitation.
What is the driest time of year in Hemer?
The driest month in Hemer is April, with an average of 62mm of precipitation.
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