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Hourly Forecast
Daylight Hours
07:38
Sunrise
19:12
Sunset
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Waxing Gibbous
18:54
Moonrise
05:28
Moonset
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View stargazing scoreWeather in Uusikaupunki today, September 25, 2026
Uusikaupunki looks damp on September 25, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Expect a grey start, with morning cloud around 99% by 11:00. Outdoor plans early on should not rely on bright skies.
Expect highs of 15°C and cooler readings close to 11°C. The air stays humid, with relative humidity between 78% and 94% and the peak around 09:00. Airflow remains manageable, reaching about 5.0 km/h around 12:00.
Through the afternoon cloud remains the main feature, with cover near 100% around 18:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 23.1 km, briefly nearer 12.3 km. Daylight runs from 07:38 to 19:12, lasting 11 hours 34 minutes of sunlight today.
Overall, Uusikaupunki on September 25, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 18% and the high sits around 15°C.
Frequently asked questions about weather in Uusikaupunki
How warm does it get in Uusikaupunki?
The warmest month in Uusikaupunki is July, with average high temperatures of 20°C. The average temperature during this period is around 18°C.
How cold does it get in Uusikaupunki?
The coldest month in Uusikaupunki is February, with average low temperatures of -4°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Uusikaupunki?
The wettest month in Uusikaupunki is August, with an average of 86mm of precipitation.
What is the driest time of year in Uusikaupunki?
The driest month in Uusikaupunki is May, with an average of 34mm of precipitation.
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