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Hourly Forecast
Daylight Hours
07:05
Sunrise
18:37
Sunset
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Waxing Gibbous
18:22
Moonrise
04:49
Moonset
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View stargazing scoreWeather in Joensuu today, September 25, 2026
Expect a muted, overcast feel in Joensuu on September 25, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. Cloud leads the morning, peaking close to 70% near 11:00. Sunshine has little room until later in the day.
Expect highs of 15°C and cooler readings close to 11°C. Expect humidity between 72% and 91%, most humid near 23:00. Airflow remains manageable, reaching about 5.0 km/h around 16:00.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 15:00. Outdoor plans may still want a flexible backup. Expect visibility near 30.0 km, with poorer spells close to 21.9 km. Daylight runs from 07:05 to 18:37, lasting 11 hours 31 minutes of sunlight today.
The practical takeaway for Joensuu on September 25, 2026 is a cloudy day that stays usable, just not particularly bright, around 15°C.
Frequently asked questions about weather in Joensuu
How warm does it get in Joensuu?
The warmest month in Joensuu 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 Joensuu?
The coldest month in Joensuu is January, with average low temperatures of -10°C. The average temperature during this period is around -8°C.
What is the wettest time of year in Joensuu?
The wettest month in Joensuu is July, with an average of 105mm of precipitation.
What is the driest time of year in Joensuu?
The driest month in Joensuu is April, with an average of 40mm of precipitation.
