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Climate almanac

Twin Falls

Idaho, United States · 42.56°, -114.46°

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What is the weather like in Twin Falls in September?

In September, Twin Falls is typically 82°F (28°C) during the day and 53°F (11°C) at night. The month brings about 0.7 in (18 mm) of precipitation in total.

  • Average high82°F (28°C)
  • Average low53°F (11°C)
  • Precipitation0.7 in (18 mm)
  • Clear or mostly clear days21
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)