North Cascades National Park weather in September (Washington State, United States of America)
Can you expect sunny skies in North Cascades National Park in September? Our guide gives you the essential weather details for this month.
Temperatures
The month of September in North Cascades National Park typically brings moderate temperatures and high rainfall. Enjoy the summer season during this month. As the day progresses, temperatures can peak at 17°C. Luckily at nightfall, they typically drop to 7°C.
Precipitation
North Cascades National Park in September usually receives high rainfall, averaging around 134 mm for the month. When we look at the climate data from the last 30 years, you can expect around 14 days of rain.In case you lean more towards enjoying temperate temperatures and rain-free days July and August typically offer the most optimal weather. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized North Cascades National Park climate page with graphs.
North Cascades National Park, monthly averages in September
Min Temperature
7°C
Max Temperature
17°C
Chance of Rain
45%
Precipitation
134 mm
Rainy days
14 days
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.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
For visitors traveling to North Cascades National Park, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.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 North Cascades 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.
