Oregon weather in September 2025

Expect daytime maximum temperatures of 75°F in Oregon, USA in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 1.6 inches of rainfall in the month.

  • 75°F maximum daytime temperature in September in Oregon (Salem)75
    75°F max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in September in Oregon (Salem)7
    7 days with some rainfall
  • 46°F minimum night-time temperature in September in Oregon (Salem)46
    46°F min night temperature
  • 12 hours of daylight per day in September in Oregon (Salem)12
    12 hours of daylight per day
  • No heat & humidity in September in Oregon (Salem)0
    No heat & humidity
  • 1.6 inches monthly rainfall in September in Oregon (Salem)1.6
    1.6 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Oregon (Salem)5
    5 (Moderate) UV index

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The September weather guide for Oregon (Salem) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Oregon destinations

Below are average maximum temperatures at popular countries, regions and places in Oregon in September. Select a holiday destination to see more weather parameters.

All Oregon destinations

Metric (°C)  |  Imperial (°F)

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More about the USA

How hot is it in Oregon in September?

Daytime temperatures usually reach 75°F in Salem, Oregon in September, falling to 46°F at night.

How sunny is it in Oregon in September?

There are normally 8 hours of bright sunshine each day in Salem, Oregon in September - that's 66% of daylight hours.

Does it rain in Oregon in September?

There are usually 7 days with some rain in Salem, Oregon in September and the average monthly rainfall is 1.6 inches.

Oregon September sunrise & sunset times

Browse the sunrise and sunset times for Oregon in September 2025. Select a month to view Oregon sunrise and sunset times for the next 12 months. The Oregon sunrise and sunset times shown below are for Salem.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:35 18:48
Monday, 15th September 2025 05:51 18:22
Tuesday, 30th September 2025 06:09 17:54

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