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Hourly Forecast
Daylight Hours
06:29
Sunrise
18:49
Sunset
Moon
Waxing Crescent
13:18
Moonrise
20:04
Moonset
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Weather in Siedlce today, September 16, 2026
Expect unsettled, showery conditions in Siedlce on September 16, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Expect a grey start, with morning cloud around 100% by 07:00. Outdoor plans early on should not rely on bright skies.
Expect highs of 20°C and cooler readings close to 13°C. Relative humidity sits between 69% and 87%, reaching its peak around 23:00. Airflow remains manageable, reaching about 3.8 km/h around 11:00.
The second half of the day still looks unsettled, with rain probability around 100% by 16:00. Dense cloud near 100% at 12:00 keeps the feel grey. Visibility stays generally good near 30.0 km on average, though it can drop toward 17.7 km in thicker cloud or showers. Expect sunrise at 06:29, sunset at 18:49, and 12 hours 20 minutes of sunlight today overall.
In short, treat September 16, 2026 in Siedlce as a damp day: pack covers, watch the wetter hours, and expect a high near 20°C.
Frequently asked questions about weather in Siedlce
How warm does it get in Siedlce?
The warmest month in Siedlce 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 Siedlce?
The coldest month in Siedlce is January, with average low temperatures of -2°C. The average temperature during this period is around 0°C.
What is the wettest time of year in Siedlce?
The wettest month in Siedlce is July, with an average of 110mm of precipitation.
What is the driest time of year in Siedlce?
The driest month in Siedlce is March, with an average of 36mm of precipitation.
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