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

What's the typical weather in Arlington for September? Explore our page to find a thorough overview of this month's weather conditions.

Temperatures

The weather in Arlington during September is typically perfect, with pleasant temperatures and moderate rainfall. September is known for being in the summer season. Daytime temperatures generally peak at 21°C, but after sunset, they often decrease to around 9°C.

Precipitation

Arlington in September usually receives moderate rainfall, averaging around 73 mm for the month. Analyzing past climate data, one can expect approximately 13 days of rain.

Average sunshine

The area enjoys a moderate level of sunlight, with around 188 hours. It's a good balance between sunny and cloudy days.

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 Arlington climate page with graphs.

 

Arlington, monthly averages in September

Min Temperature 9°C  

Max Temperature 21°C  

Chance of Rain 44%  

Precipitation 73 mm  

Rainy days 13 days  

Sunshine 188 hours *  

Percentage Sunshine *  

Data from: Bellingham, the United States of America (68 KM, 42 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 Arlington, 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.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

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

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.