Mount Rainier National Park weather in September (Washington State, United States of America)
Looking to travel to Mount Rainier National Park in September? Here's what the weather might have in store during this month.
In September, Mount Rainier National Park generally has low temperatures and high snow/rainfall. September is a summer month. Daytime temperatures hover around 8°C, while nights can cool down to about -3°C.
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 is expected.
With around 209 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.
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.
For an in-depth look at the yearly conditions, visit our specialized Mount Rainier National Park climate page with graphs.
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 in September and which places have the best weather conditions in this month.
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 in September.
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 climate conditions. Find out where to go with our weather planner.