Climate almanac
Sayville
New York, United States · 40.74°, -73.08°
What is the weather like in Sayville in September?
In September, Sayville is typically 72°F (22°C) during the day and 66°F (19°C) at night. The month brings about 4.0 in (103 mm) of precipitation in total.
- Average high72°F (22°C)
- Average low66°F (19°C)
- Precipitation4.0 in (103 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)