Climate almanac
Southampton
England, United Kingdom · 50.90°, -1.40°
What is the weather like in Southampton in September?
In September, Southampton is typically 66°F (19°C) during the day and 52°F (11°C) at night. The month brings about 2.9 in (73 mm) of precipitation in total.
- Average high66°F (19°C)
- Average low52°F (11°C)
- Precipitation2.9 in (73 mm)
- Clear or mostly clear days5
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)