Climate almanac
Cortland
New York, United States · 42.60°, -76.18°
What is the weather like in Cortland in September?
In September, Cortland is typically 71°F (22°C) during the day and 54°F (12°C) at night. The month brings about 3.9 in (98 mm) of precipitation in total.
- Average high71°F (22°C)
- Average low54°F (12°C)
- Precipitation3.9 in (98 mm)
- Clear or mostly clear days10
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)