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

Wondering what the weather is like in Oak Harbor during September? Here's what you need to know about the weather for the month.

Temperatures

Typically, September in Oak Harbor includes moderate temperatures and moderate rainfall. September is typically considered a summer month. In the daytime, temperatures tend to hover near 18°C, cooling down at night to around 10°C.

Precipitation

Oak Harbor in September usually receives moderate rainfall, averaging around 36 mm for the month. Historically, the month has about 10 days of rain.

Average sunshine

There are approximately 202 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

Should you favor a climate that's both dry and comfortably warm July and August typically offer the most agreeable circumstances. On the other hand, January, February, November and December tend to be characterized by conditions that may not be as optimal.

Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the United States of America, check out our Oak Harbor's climate page.

Oak Harbor, monthly averages in September

Min TemperatureMin Temperature 10°C  
Max TemperatureMax Temperature 18°C  
Chance of RainChance of Rain 32%  
PrecipitationPrecipitation 36 mm  
Rainy daysRainy days 10 days  
SunshineSunshine 202 hours *  
Percentage SunshinePercentage Sunshine 55% *  
Data from: Friday Harbor, the United States of America (38 KM, 23 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.

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In September generally
pleasant weather
with moderate temperatures
and moderate monthly rainfall

More information

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).

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the United States of America, check out our Oak Harbor's climate page.

So, what should you wear in this month?

For visitors traveling to Oak Harbor, 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
6/10
Walking
6/10
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 Oak Harbor.

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.