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

What does the weather outlook for Spokane Valley look like in September? Wondering about the weather this month? Our guide has all the details you need.

Temperatures

The weather in Spokane Valley is usually perfect in September, characterized by high temperatures and low rainfall. September is known for being in the summer season. As the day progresses, temperatures can peak at 24°C. Luckily at nightfall, they typically drop to 8°C.

Precipitation

Spokane Valley in September usually receives low rainfall, averaging around 19 mm for the month. Rain is expected on roughly 7 days.

Average sunshine

Expect sunny days throughout the month, with an estimated 272 hours of sunshine. Making it a pleasant time to visit Spokane Valley.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Spokane Valley. May, 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 Spokane Valley climate page with graphs.

 

Spokane Valley, monthly averages in September

Min Temperature 8°C  

Max Temperature 24°C  

Chance of Rain 23%  

Precipitation 19 mm  

Rainy days 7 days  

Humidity 54% *  

Sunshine 272 hours *  

Percentage Sunshine 72% *  

Data from: Spokane, the United States of America (14 KM, 8 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 Spokane Valley, 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.

What To Do

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

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

5/10

Outdoor sports

10/10

Interested in more climate information?

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

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.