Mild
Average highs are around 22°C, so days are mild rather than hot.
September verdict
Rainier (Oregon), United States in September
Weather score46Mixed
Mixed for holiday weather
Average highs are around 22°C, so days are mild rather than hot. Sunshine averages 7.4h per day, enough for a balanced month. Rainfall averages 56mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
22°C
Rain
56mm
Sun
7.4h
Sea
14°C
Weather score
46
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 56mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Weather map
Compare Rainier (Oregon), United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September22°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September56mm average rain
September sits on the drier side of Rainier (Oregon)'s year, which helps with sightseeing and transfers.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September7.4 hours average sun
September sits close to Rainier (Oregon)'s yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September14°C average sea
September is one of Rainier (Oregon)'s warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to September
Sea temperatures are usually near 14°C in this stretch, so swimming comfort is at its strongest.
Weather score
September46 weather score
September scores above Rainier (Oregon)'s yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
Hotels near Rainier (Oregon), United States
Marriott
AC Hotel Vancouver WaterfrontVancouver, Washington, USA
Residence Inn Portland NorthPortland, Oregon, USA
Courtyard Portland NorthPortland, Oregon, USA
Fairfield Inn & Suites Portland NorthPortland, Oregon, USA
Residence Inn Portland Hillsboro/BrookwoodHillsboro, Oregon, USA
Residence Inn Portland VancouverVancouver, Washington, USA