Climate almanac
Ostashkov
Tver Oblast, Russia · 57.15°, 33.11°
What is the weather like in Ostashkov in September?
In September, Ostashkov is typically 60°F (16°C) during the day and 46°F (8°C) at night. The month brings about 2.9 in (73 mm) of precipitation in total.
- Average high60°F (16°C)
- Average low46°F (8°C)
- Precipitation2.9 in (73 mm)
- Clear or mostly clear days6
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)