Climate almanac

Klamath Falls

Oregon, United States · 42.22°, -121.78°

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What is the weather like in Klamath Falls in September?

In September, Klamath Falls is typically 78°F (25°C) during the day and 49°F (9°C) at night. The month brings about 0.9 in (23 mm) of precipitation in total.

  • Average high78°F (25°C)
  • Average low49°F (9°C)
  • Precipitation0.9 in (23 mm)
  • Clear or mostly clear days20
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)