Shoreline weather in September (Washington State, United States of America)

Is September a good time to explore Shoreline weather-wise? Use this page to get an overview of the month’s weather conditions.

Temperatures

During September, Shoreline experiences perfect weather, with pleasant temperatures and moderate rainfall. September is part of the summer season. Expect temperatures to climb to 21°C during the day, with nighttime readings dropping to 11°C.

Precipitation

Shoreline in September usually receives moderate rainfall, averaging around 50 mm for the month. On average, there are about 10 days with rain during this month.

Average sunshine

The days are predominantly sunny, with an estimated total of around 220 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.

If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Shoreline. June, July, August and September typically offer the most agreeable circumstances. On the other hand, January, February, March, 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 Shoreline climate page with graphs.

 

Shoreline, monthly averages in September

Min Temperature 11°C  

Max Temperature 21°C  

Chance of Rain 34%  

Precipitation 50 mm  

Rainy days 10 days  

Humidity 73% *  

Sunshine 220 hours *  

Percentage Sunshine 59% *  

Data from: Seattle, 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?

For visitors traveling to Shoreline, 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.

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

8/10

Outdoor sports

10/10

Interested in more climate information?

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

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.