Climate almanac
New Canaan
Connecticut, United States · 41.15°, -73.49°
What is the weather like in New Canaan in September?
In September, New Canaan is typically 75°F (24°C) during the day and 61°F (16°C) at night. The month brings about 4.4 in (111 mm) of precipitation in total.
- Average high75°F (24°C)
- Average low61°F (16°C)
- Precipitation4.4 in (111 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)