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

Wondering what the weather is like in Lynnwood during September? Use this page to get an overview of the month’s weather conditions.

Temperatures

The weather in Lynnwood is usually perfect in September, characterized by pleasant temperatures and moderate rainfall. September is part of summer. Daytime temperatures hover around 21°C, while nights can cool down to about 11°C.

Precipitation

Lynnwood in September usually receives moderate rainfall, averaging around 51 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 10 days of the month will see rainfall.

Average sunshine

With around 220 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

So this is a great month to visit if you prefer dry days with pleasant temperatures. June, July, August and September typically offer the most optimal weather. In contrast, January, February, March, November and December tend to have less optimal conditions.

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

 

Lynnwood, monthly averages in September

Min Temperature 11°C  

Max Temperature 21°C  

Chance of Rain 34%  

Precipitation 51 mm  

Rainy days 10 days  

Humidity 73% *  

Sunshine 220 hours *  

Percentage Sunshine 59% *  

Data from: Seattle, the United States of America (42 KM, 26 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 Lynnwood, 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 Lynnwood.

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.