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

What's the typical weather in Olympia for September? Check out our in-depth weather guide for this month.

Temperatures

Experience perfect weather in Olympia in September, characterized by high temperatures and moderate rainfall. During September, the summer season is in full swing. Anticipate daytime highs near 22°C, and cooler nights with temperatures around 8°C.

Precipitation

Olympia in September usually receives moderate rainfall, averaging around 68 mm for the month. Records from the past 30 years suggest that around 10 days will experience rain.

Average sunshine

Expect sunny days throughout the month, with an estimated 209 hours of sunshine. Making it a pleasant time to visit Olympia.

If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Olympia. 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 Olympia climate page with graphs.

 

Olympia, monthly averages in September

Min Temperature 8°C  

Max Temperature 22°C  

Chance of Rain 33%  

Precipitation 68 mm  

Rainy days 10 days  

Sunshine 209 hours *  

Percentage Sunshine 55% *  

Data from: Tacoma, the United States of America (41 KM, 25 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 Olympia, 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

8/10

Camping

4/10

Outdoor sports

10/10

Interested in more climate information?

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

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.