Acadia National Park weather in September (Maine, United States of America)
Planning a trip to Acadia National Park in September? This guide provides all the details you need.
In Acadia National Park the weather in September is generally perfect, with pleasant temperatures and moderate rainfall. September is a summer month. Daytime temperatures hover around 21°C, while nights can cool down to about 12°C.
Acadia National Park in September usually receives moderate rainfall, averaging around 97 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 10 days of the month will see rainfall.
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 in September and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
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 in September.
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 climate conditions. Find out where to go with our weather planner.
