Mount Rainier National Park weather in September (Washington State, United States of America)
How does the September weather in Mount Rainier National Park compare to other months? Check out this detailed guide to the month’s weather conditions.
Temperatures
In September, Mount Rainier National Park tends to experience low temperatures and high snow/rainfall. The summer season is characteristic of September. During the day, temperatures can climb to about 8°C. At night, they may fall to a cooler -3°C.
Precipitation
Mount Rainier National Park in September usually receives high snow/rainfall, averaging around 122 mm for the month. Typically around 12 days of snow/rainfall are expected.Average sunshine
There are approximately 209 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Mount Rainier National Park . July and August typically offer the most optimal weather. In contrast, January, February, March, April, May, June, September, October, November and December tend to have less optimal conditions.
Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.
Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Mount Rainier National Park 's climate page.
Mount Rainier National Park , monthly averages in September
Where to go in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month.
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Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Mount Rainier National Park 's climate page.
So, what should you wear in this month?
Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Mount Rainier National Park .
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.