Cool
Average highs are around 12°C, so pack for cooler days.
September verdict
Mount Rainier National Park, United States in September
Weather score34Poor
Poor for holiday weather
Average highs are around 12°C, so pack for cooler days. Sunshine averages 6.9h per day, enough for a balanced month. Rainfall averages 106mm, so some wet days are possible.
September weather
Monthly averages
Temp
12°C
Rain
106mm
Sun
6.9h
Weather score
34
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 106mm, so some wet days are possible.
Some sun
Sunshine averages 6.9h per day, enough for a balanced month.
Map
Weather map
Compare Mount Rainier National Park, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September12°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
September106mm average rain
September sits on the drier side of Mount Rainier National Park'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
September6.9 hours average sun
September sits close to Mount Rainier National Park's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
September34 weather score
September scores above Mount Rainier National Park'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 Mount Rainier National Park, United States
Marriott
Fairfield Inn & Suites Tacoma PuyallupPuyallup, Washington, USA
Courtyard Seattle Federal WayFederal Way, Washington, USA
TownePlace Suites by Marriott Tacoma LakewoodLakewood, Washington, USA
Courtyard Tacoma DowntownTacoma, Washington, USA
Marriott Tacoma DowntownTacoma, Washington, USA
Four Points by Sheraton Seattle Airport SouthDes Moines, Washington, USA