Climate almanac

Grand Forks

North Dakota, United States · 47.93°, -97.03°

+ Compare

What is the weather like in Grand Forks in September?

In September, Grand Forks is typically 72°F (22°C) during the day and 52°F (11°C) at night. The month brings about 2.6 in (65 mm) of precipitation in total.

  • Average high72°F (22°C)
  • Average low52°F (11°C)
  • Precipitation2.6 in (65 mm)
  • Clear or mostly clear days12
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)