Climate almanac
Rumia
Pomerania, Poland · 54.57°, 18.39°
What is the weather like in Rumia in September?
In September, Rumia is typically 65°F (18°C) during the day and 54°F (12°C) at night. The month brings about 2.5 in (64 mm) of precipitation in total.
- Average high65°F (18°C)
- Average low54°F (12°C)
- Precipitation2.5 in (64 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)