Ketchikan weather in September (Alaska, United States of America)

What is the weather forecast for Ketchikan in September? Our guide gives you the essential weather details for this month.

Temperatures

September in Ketchikan generally includes moderate temperatures and heavy rainfall. September is typically considered a summer month. Anticipate daytime temperatures around 14°C, while night temperatures can drop to 11°C.

Precipitation

Ketchikan in September falls under the rainy season with heavy rainfall, averaging around 367 mm for the month. Expect around 18 days of rain based on historical data.

Average sunshine

With about 111 hours of sunshine, the area enjoys a nice balance of sun and clouds, creating a pleasant environment.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Ketchikan. June and July typically offer the most agreeable circumstances. On the other hand, January, February, March, April, May, August, September, October, November and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Ketchikan climate page with graphs.

 

Ketchikan, monthly averages in September

Min Temperature 11°C  

Max Temperature 14°C  

Chance of Rain 59%  

Precipitation 367 mm  

Rainy days 18 days  

Humidity 82% *  

Sunshine 111 hours *  

Percentage Sunshine *  

* Data from: Annette Island, the United States of America (34 KM, 21 Miles).

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.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

6/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Ketchikan.

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.