Climate almanac
Grand Lake
New Brunswick, Canada · 46.11°, -65.96°
What is the weather like in Grand Lake in September?
In September, Grand Lake is typically 68°F (20°C) during the day and 52°F (11°C) at night. The month brings about 3.2 in (82 mm) of precipitation in total.
- Average high68°F (20°C)
- Average low52°F (11°C)
- Precipitation3.2 in (82 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)