Climate almanac

Portland

Victoria, Australia · -38.35°, 141.60°

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What is the weather like in Portland in September?

In September, Portland is typically 58°F (14°C) during the day and 50°F (10°C) at night. The month brings about 3.6 in (90 mm) of precipitation in total.

  • Average high58°F (14°C)
  • Average low50°F (10°C)
  • Precipitation3.6 in (90 mm)
  • Clear or mostly clear days2
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)