Weather in Lappeenranta in September
Lappeenranta, Finland averages a high of 14.3°C (57.7°F) and low of 8.8°C (47.8°F) in September, with 10 rain days and 7.9 hours of daily sunshine. Travel score: 63.2/100 (Good). The best time to visit Lappeenranta is July.
High
14°C58°F
Low
9°C48°F
🌧️
10
rain days
☀️
7.9
hrs/day sunshine
💧
82%
humidity
63— Good
September in Lappeenranta is cool and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Lappeenranta?
How much does it rain in Lappeenranta in September?
Lappeenranta receives an average of 56.7mm of rainfall across 10 rainy days in September. The annual total is 631.8mm.
What should I pack for Lappeenranta 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