Weather in Joensuu in September
Joensuu, Finland averages a high of 12.8°C (55°F) and low of 8.9°C (48°F) in September, with 11 rain days and 6.8 hours of daily sunshine. Travel score: 58.4/100 (Mixed). The best time to visit Joensuu is July.
High
13°C55°F
Low
9°C48°F
🌧️
11
rain days
☀️
6.8
hrs/day sunshine
💧
84%
humidity
58— Mixed
September in Joensuu is cool and occasionally wet — mixed conditions — plan indoor alternatives.
What are the average temperatures in Joensuu?
How much does it rain in Joensuu in September?
Joensuu receives an average of 67.2mm of rainfall across 11 rainy days in September. The annual total is 681.2mm.
What should I pack for Joensuu in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 13°C
🧶
Sweaters and warm layers
Layer up for comfort
🎉Visiting Finland in September?
Don't miss any public holidays — check before you book!
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What is the weather like in other months in Joensuu?
Data based on 1994–2024 averages · Last updated: 2024-12-31