Climate almanac
Trosa
Södermanland, Sweden · 58.90°, 17.55°
What is the weather like in Trosa in September?
In September, Trosa is typically 62°F (17°C) during the day and 49°F (9°C) at night. The month brings about 2.0 in (51 mm) of precipitation in total.
- Average high62°F (17°C)
- Average low49°F (9°C)
- Precipitation2.0 in (51 mm)
- Clear or mostly clear days5
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)