Weather in Lahti in September
Lahti, Finland averages a high of 14.4°C (57.9°F) and low of 8.6°C (47.5°F) in September, with 10 rain days and 7.2 hours of daily sunshine. Travel score: 63/100 (Good). The best time to visit Lahti is July.
High
14°C58°F
Low
9°C47°F
🌧️
10
rain days
☀️
7.2
hrs/day sunshine
💧
82%
humidity
63— Good
September in Lahti is cool and occasionally wet — good for most activities.
What are the average temperatures in Lahti?
How much does it rain in Lahti in September?
Lahti receives an average of 53mm of rainfall across 10 rainy days in September. The annual total is 627.5mm.
What should I pack for Lahti in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 14°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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Data based on 1994–2024 averages · Last updated: 2024-12-31