Acadia National Park weather in September (Maine, United States of America)

How does the weather in Acadia National Park usually fare in September? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

During September, Acadia National Park experiences perfect weather, with pleasant temperatures and moderate rainfall. September ushers in the summer season. In the daytime, temperatures tend to hover near 21°C, cooling down at night to around 12°C.

Precipitation

Acadia National Park in September usually receives moderate rainfall, averaging around 97 mm for the month. This month experiences about 10 days of rain according to historical data.

So this is a great month to visit if you prefer dry days with pleasant temperatures. July, August and September typically offer the most optimal weather. In contrast, January, February, March, April, November and December tend to have less optimal conditions.

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

 

Acadia National Park, monthly averages in September

Min Temperature 12°C  

Max Temperature 21°C  

Chance of Rain 33%  

Precipitation 97 mm  

Rainy days 10 days  

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 Acadia National Park, 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

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Acadia National Park.

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.