ClimateAverages

Portland Weather in September

JanFebMarAprMayJunJulAugSepOctNovDec
Right now
13°C
Clear · feels like 13°C
Humidity
72%
Wind
4 kph NE
UV
0
Rain
0%
Updated Jul 9, 04:45 AMWeather data by WeatherAPI.com
September daytime high
23.8°C
September overnight low
10.0°C
September average
16.8°C

In September, Portland typically sees daytime highs of 23.8°C and overnight lows around 10.0°C. Compared to the annual average high of 16.7°C, September runs +7.2°C.

vs. annual avg high
+7.2°C
Rank among 12 months
#3 warmest
Hottest year overall
2014

Where September ranks in Portland

JanFebMarAprMayJunJulAugSep24°OctNovDec

FAQ

What is the average temperature in Portland in September?

September in Portland averages a daytime high of 23.8°C and an overnight low of 10.0°C.

Is September warm or cold in Portland?

September runs +7.2°C compared to Portland's annual average high of 16.7°C, ranking #3 of 12 months by warmth.

What should I pack for Portland in September?

Plan for daytime highs near 23.8°C and cooler evenings around 10.0°C.

Other months for Portland

JanuaryFebruaryMarchAprilMayJuneJulyAugustOctoberNovemberDecember

September in nearby cities

SalemEugeneGreshamHillsboroBeavertonBendMedfordSpringfieldCorvallisAlbanyTigard