Weather in Mikkeli in September
Mikkeli, Finland averages a high of 13.8°C (56.8°F) and low of 8.7°C (47.7°F) in September, with 10 rain days and 7.3 hours of daily sunshine. Travel score: 61.9/100 (Good). The best time to visit Mikkeli is July.
High
14°C57°F
Low
9°C48°F
🌧️
10
rain days
☀️
7.3
hrs/day sunshine
💧
83%
humidity
62— Good
September in Mikkeli is cool and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Mikkeli?
How much does it rain in Mikkeli in September?
Mikkeli receives an average of 55mm of rainfall across 10 rainy days in September. The annual total is 636.5mm.
What should I pack for Mikkeli 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
Traveling to Finland in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31