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

Curious about the September weather in Kirkland? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In Kirkland, September is characterized by pleasant temperatures and moderate rainfall. September is a summer month. Throughout the day, temperatures typically settle at around 21°C. But by evening, they drop to around 11°C.

Kirkland in September usually receives moderate rainfall, averaging around 57 mm for the month. Rain is expected on roughly 11 days.

The city usually sees around 220 hours of sunlight, indicating many sunny days.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Kirkland. June, July, August and September typically offer the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

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

 

Kirkland, monthly averages in September

Min Temperature 11°C  

Max Temperature 21°C  

Chance of Rain 37%  

Precipitation 57 mm  

Rainy days 11 days  

Humidity 73% *  

Sunshine 220 hours *  

Percentage Sunshine 59% *  

* Data from: Seattle, the United States of America (27 KM, 17 Miles).

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.

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 Kirkland in September?

For visitors traveling to Kirkland, 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 in September.

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 Kirkland.

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.