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 perfect 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.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

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  

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

More climate data for Northeast Harbor

Temperature Rainfall

See the full Northeast Harbor climate overview or explore weather in the United States of America.