Weather in Kotka in September
Kotka, Finland averages a high of 14.7°C (58.5°F) and low of 9.8°C (49.6°F) in September, with 10 rain days and 8.3 hours of daily sunshine. Travel score: 65.4/100 (Good). The best time to visit Kotka is July.
High
15°C58°F
Low
10°C50°F
🌧️
10
rain days
☀️
8.3
hrs/day sunshine
💧
80%
humidity
65— Good
September in Kotka is cool and occasionally wet — good for most activities.
What are the average temperatures in Kotka?
How much does it rain in Kotka in September?
Kotka receives an average of 58.6mm of rainfall across 10 rainy days in September. The annual total is 644.1mm.
What should I pack for Kotka in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 15°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