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> Usa > Portland, Oregon >September
Weather in September in Portland, Oregon
| < September > | ||
|---|---|---|
| Normal Max/ High Temperature | 24°C (75°F) | |
| Average Temperature | 17°C (63°F) | |
| Min/ Low Temperature | 11°C (52°F) | |
| Normal Precipitation | 44mm (1.7in) | |
| Number of Wet Days (probability of rain on a day) | 6 (20%) | |
| Average Sunlight per day | 06h 54' | |
| Average Daylight per day | 12h 29' | |
| Sunny (Cloudy) Daylight Hours | 56% (44%) | |
| Sun altitude at solar noon on the 21st day. | 44.9° | |
- The average temperature in Portland, Oregon in September is very mild at 17.4 °C (63.32 °F).
- Afternoons can be fairly hot with average high temperatures reaching 23.7 °C (74.7 °F).
- Overnight temperatures are generally quite mild with an average low of 11.1 °C (52 °F).
- The range/ variation of daily average temperatures in September is 12.6 °C (22.7 °F).
- Precipitation averages for September are moderate with 44.4mm (1.7 in) recorded across 6 days.
- In September the blue above Portland, Oregon is fine with on average a measurable 6h 54' of bright sunshine per day.
- The shortest day is 11h 41' long and the longest day is 13h 16' long with an average length of 12h 29'.
- There are approximately 5h 23' per day when the sun is occluded by cloud, haze, fog etc.
- It is sunny approximately 56.1% of daylight hours and cloudy 43.9% of daylight hours.
Weather Trend Graph for September in Portland, Oregon, Usa
