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Hourly Forecast
Daylight Hours
07:21
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18:55
Sunset
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Waxing Gibbous
18:37
Moonrise
05:10
Moonset
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View stargazing scoreWeather in Lahti today, September 25, 2026
Rain features in Lahti on September 25, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Morning plans should assume damp conditions, as rain chances climb toward 62% around 10:00. Cloud cover is also at its densest near 07:00 at roughly 100%.
Expect highs of 13°C and cooler readings close to 11°C. Relative humidity sits between 77% and 93%, reaching its peak around 08:00. Winds stay light, near 6.7 km/h by 15:00, so the day feels still more than breezy.
Afternoon showers stay in play, peaking near 96% around 16:00. Skies remain cluttered, with cover about 100% by 12:00. Visibility holds near 22.7 km, though it can fall to 14.1 km. Daylight runs from 07:21 to 18:55, lasting 11 hours 33 minutes of sunlight today.
Taken together, Lahti looks wet enough on September 25, 2026 that flexible outdoor plans work best, with temperatures peaking near 13°C.
Frequently asked questions about weather in Lahti
How warm does it get in Lahti?
The warmest month in Lahti is July, with average high temperatures of 21°C. The average temperature during this period is around 18°C.
How cold does it get in Lahti?
The coldest month in Lahti is January, with average low temperatures of -8°C. The average temperature during this period is around -5°C.
What is the wettest time of year in Lahti?
The wettest month in Lahti is July, with an average of 88mm of precipitation.
What is the driest time of year in Lahti?
The driest month in Lahti is March, with an average of 39mm of precipitation.