Climate almanac
Lappeenranta
South Karelia, Finland · 61.06°, 28.19°
What is the weather like in Lappeenranta in September?
In September, Lappeenranta is typically 59°F (15°C) during the day and 48°F (9°C) at night. The month brings about 2.6 in (66 mm) of precipitation in total.
- Average high59°F (15°C)
- Average low48°F (9°C)
- Precipitation2.6 in (66 mm)
- Clear or mostly clear days3
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)