Climate almanac
Hamden
Connecticut, United States · 41.40°, -72.90°
What is the weather like in Hamden in September?
In September, Hamden is typically 75°F (24°C) during the day and 59°F (15°C) at night. The month brings about 4.6 in (116 mm) of precipitation in total.
- Average high75°F (24°C)
- Average low59°F (15°C)
- Precipitation4.6 in (116 mm)
- Clear or mostly clear days10
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)