September weather forecast
New Harbor, ME

Share

Weather in September

The first month of the autumn, September, is still a comfortable month in New Harbor, Maine, with an average temperature varying between 53.6°F (12°C) and 67.5°F (19.7°C).

Temperature

The shift from August to September includes a small decrease in the average high-temperature, from a moderately hot 74.1°F (23.4°C) to a refreshing 67.5°F (19.7°C). Throughout September, New Harbor witnesses a nighttime temperature average of 53.6°F (12°C).

Humidity

In September, the average relative humidity is 80%.

Rainfall

The month with the least rainfall is September, when the rain falls for 10.8 days and typically collects 1.5" (38mm) of precipitation.

Snowfall

In New Harbor, snow does not fall in June through October.

Daylight

In September, the average length of the day is 12h and 30min.
On the first day of the month, sunrise is at 6:02 am and sunset at 7:13 pm. On the last day of September, sunrise is at 6:35 am and sunset at 6:20 pm EDT.

Sunshine

The average sunshine in September is 8.4h.

UV index

In New Harbor, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

During September, New Harbor experiences an average high-temperature of 67.5°F (19.7°C) and a low-temperature of 53.6°F (12°C).

What is the average humidity in September?

In September, the average relative humidity is 80%.

What is the driest month?

September is the month with the least rainfall in New Harbor. Rain falls for 10.8 days and accumulates 1.5" (38mm) of precipitation.

How many days does it rain in September?

In September, the rain falls for 10.8 days. Throughout September, 1.5" (38mm) of precipitation is accumulated.

When it does not snow?

In New Harbor, snow does not fall in June through October.

How many hours of daylight does New Harbor have in September?

The average day length in September is 12h and 30min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:02 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 6:20 pm EDT.

How many hours of sunshine does New Harbor have in September?

The average sunshine duration in September is 8.4h.

How high is the UV index in September?

In New Harbor, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
New Harbor, ME

Average temperature in September - New Harbor, ME
  • Average high temperature in September: 67.5°F

The warmest months (with the highest average high temperature) are July and August (74.1°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in September: 53.6°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in September
New Harbor, ME

Average pressure in September - New Harbor, ME
  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
New Harbor, ME

Average wind speed in September - New Harbor, ME
  • Average wind speed in September: 7.5mph

The windiest months (with the highest average wind speed) are January and March (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in September
New Harbor, ME

Average humidity in September - New Harbor, ME
  • Average humidity in September: 80%

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (76%).

Average rainfall in September
New Harbor, ME

Average rainfall in September - New Harbor, ME
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in September
New Harbor, ME

Average rainfall days in September - New Harbor, ME
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is April (15.1 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in September
New Harbor, ME

Average snowfall in September - New Harbor, ME
  • Average snowfall in September: 0"

The month with the highest snowfall is January (5.28").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in September
New Harbor, ME

Average snowfall days in September - New Harbor, ME
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
New Harbor, ME

Average daylight in September / Average sunshine in September - New Harbor, ME
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

Average sunshine days in September
New Harbor, ME

Average sunshine days in September - New Harbor, ME
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is April (11.7 days).

Average UV index in September
New Harbor, ME

Average UV index in September - New Harbor, ME
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
New Harbor, ME

Average cloud cover in September - New Harbor, ME
  • Average cloud cover in September: 34

The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
New Harbor, ME

Average visibility in September - New Harbor, ME
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).

New Harbor, Maine, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location