Climate almanac
Saint Croix
Saint Croix Island, U.S. Virgin Islands · 17.73°, -64.75°
What is the weather like in Saint Croix in September?
In September, Saint Croix is typically 84°F (29°C) during the day and 81°F (27°C) at night. The month brings about 6.2 in (157 mm) of precipitation in total.
- Average high84°F (29°C)
- Average low81°F (27°C)
- Precipitation6.2 in (157 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)