Climate almanac
Hartford
Connecticut, United States · 41.76°, -72.69°
What is the weather like in Hartford in September?
In September, Hartford is typically 76°F (24°C) during the day and 58°F (14°C) at night. The month brings about 4.6 in (117 mm) of precipitation in total.
- Average high76°F (24°C)
- Average low58°F (14°C)
- Precipitation4.6 in (117 mm)
- Clear or mostly clear days10
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)