Climate almanac
Lebanon
New Hampshire, United States · 43.64°, -72.25°
What is the weather like in Lebanon in September?
In September, Lebanon is typically 71°F (22°C) during the day and 51°F (11°C) at night. The month brings about 2.8 in (71 mm) of precipitation in total.
- Average high71°F (22°C)
- Average low51°F (11°C)
- Precipitation2.8 in (71 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)