Climate almanac
Lammi
Kanta-Häme, Finland · 61.08°, 25.02°
What is the weather like in Lammi in September?
In September, Lammi is typically 59°F (15°C) during the day and 46°F (8°C) at night. The month brings about 2.6 in (65 mm) of precipitation in total.
- Average high59°F (15°C)
- Average low46°F (8°C)
- Precipitation2.6 in (65 mm)
- Clear or mostly clear days3
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)