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Hourly Forecast
Daylight Hours
07:24
Sunrise
19:18
Sunset
Moon
Waxing Gibbous
18:01
Moonrise
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View stargazing scoreWeather in Hamm (Sieg) today, September 22, 2026
Cloud cover dominates in Hamm (Sieg) on September 22, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. The first half of the day looks overcast, as cloud amounts reach about 89% around 02:00. Brighter weather, if it comes, waits until later.
The day peaks near 17°C and cools toward 9°C. Expect humidity between 61% and 96%, most humid near 08:00. Airflow remains manageable, reaching about 1.7 km/h around 16:00.
Through the afternoon cloud remains the main feature, with cover near 80% around 13:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 31.9 km, briefly nearer 11.3 km. Expect sunrise at 07:24, sunset at 19:18, and 11 hours 54 minutes of sunlight today overall.
Taken together, overcast skies in Hamm (Sieg) on September 22, 2026 favour indoor or covered options, with temperatures near 17°C.
Frequently asked questions about weather in Hamm (Sieg)
How warm does it get in Hamm (Sieg)?
The warmest month in Hamm (Sieg) is August, with average high temperatures of 23°C. The average temperature during this period is around 18°C.
How cold does it get in Hamm (Sieg)?
The coldest month in Hamm (Sieg) 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 Hamm (Sieg)?
The wettest month in Hamm (Sieg) is January, with an average of 130mm of precipitation.
What is the driest time of year in Hamm (Sieg)?
The driest month in Hamm (Sieg) is April, with an average of 65mm of precipitation.
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