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Portland weather in September
Check the Portland, Oregon weather in September before you book your next holiday. This gives the best indication of the weather in September and includes figures for temperature, sunshine and rainfall.
- 2323°C max day temperature
- 88 hours of sunshine per day
- 88 days with some rainfall
- 99°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 4747 mm of monthly rainfall
- 55 (Moderate) UV index
Metric (°C / mm) | Imperial (°F / inches)
Portland weather map
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Portland weather by month
Check the weather in Portland for a particular month by selecting from the list below.
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