Climate almanac
Windham
Connecticut, United States · 41.70°, -72.16°
What is the weather like in Windham in September?
In September, Windham is typically 74°F (24°C) during the day and 57°F (14°C) at night. The month brings about 4.2 in (106 mm) of precipitation in total.
- Average high74°F (24°C)
- Average low57°F (14°C)
- Precipitation4.2 in (106 mm)
- Clear or mostly clear days10
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)