Northeast Harbor
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Northeast Harbor Weather in September

During September, Northeast Harbor experiences pleasant daytime temperatures of 20°C (68°F) and cooler nights around 11°C (52°F). As part of the summer season, expect quite a bit of rainfall. Around 94 mm (3.7 in) is typical.

Rainfall in Northeast Harbor in September

You can expect rain on around 10 days based on historical patterns, with 94 mm (3.7 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Northeast Harbor in September

September tends to be one of the excellent months in Northeast Harbor, with 20°C (68°F) in the afternoon and 11°C (52°F) overnight. The summer season takes place during September. Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

Northeast Harbor Temperature in September

Min Temperature
11°C (52°F)
Max Temperature
20°C (68°F)
Chance of Rain
33%
Precipitation
94 mm (3.7 in)
Rainy days
10 days

Northeast Harbor Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Northeast Harbor - and find the best time to visit.

Best Places 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. See all of the United States of America in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Northeast Harbor in September

For Northeast Harbor in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.

What To Do in Northeast Harbor in September

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

Northeast Harbor 3-Day Forecast

More climate data for Northeast Harbor

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.