Climate almanac
Porsgrunn
Telemark, Norway · 59.14°, 9.66°
What is the weather like in Porsgrunn in September?
In September, Porsgrunn is typically 61°F (16°C) during the day and 48°F (9°C) at night. The month brings about 5.0 in (127 mm) of precipitation in total.
- Average high61°F (16°C)
- Average low48°F (9°C)
- Precipitation5.0 in (127 mm)
- Clear or mostly clear days6
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)