Climate almanac
Rio Vista
California, United States · 38.16°, -121.70°
What is the weather like in Rio Vista in September?
In September, Rio Vista is typically 88°F (31°C) during the day and 59°F (15°C) at night. The month brings about 0.1 in (3 mm) of precipitation in total.
- Average high88°F (31°C)
- Average low59°F (15°C)
- Precipitation0.1 in (3 mm)
- Clear or mostly clear days25
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)