Salem weather in September 2025

Expect 24°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Salem in September. Check more long-term weather averages for Salem in September before you book your next holiday to Oregon in 2025/2026.

  • 24°C maximum daytime temperature in September in Salem24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in September in Salem7
    7 days with some rainfall
  • 8°C minimum night-time temperature in September in Salem8
    8°C min night temperature
  • 12 hours of daylight per day in September in Salem12
    12 hours of daylight per day
  • No heat & humidity in September in Salem0
    No heat & humidity
  • 41 mm monthly rainfall in September in Salem41
    41 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Salem5
    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.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Salem in September?

Daytime temperatures usually reach 24°C in Salem in September, falling to 8°C at night.

How sunny is it in Salem in September?

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

Does it rain in Salem in September?

There are usually 7 days with some rain in Salem in September and the average monthly rainfall is 41mm.

Salem September sunrise & sunset times

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

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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