September weather forecast
Northport, ME

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Weather in September

The first month of the autumn, September, is still a refreshing month in Northport, Maine, with an average temperature varying between 67.1°F (19.5°C) and 51.1°F (10.6°C).

Temperature

The shift from August to September includes a small decrease in the average high-temperature, from a moderately hot 73.9°F (23.3°C) to a refreshing 67.1°F (19.5°C). In September, the recorded average low-temperature is a fresh 51.1°F (10.6°C).

Humidity

In Northport, the average relative humidity in September is 80%.

Rainfall

The months with the least rainfall are July and September Rain falls for 10.2 days and accumulates 1.46" (37mm) of rain.

Snowfall

In Northport, snow does not fall in June through September.

Daylight

In Northport, the average length of the day in September is 12h and 30min.
On the first day of the month, sunrise is at 5:59 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:33 am and sunset at 6:17 pm EDT.

Sunshine

The average sunshine in September is 8.1h.

UV index

In Northport, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 4 in September transforms into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Northport in September?

The average high-temperature, in September, in Northport, is 67.1°F (19.5°C), while the average low-temperature is 51.1°F (10.6°C).

What is the average humidity in September?

In Northport, the average relative humidity in September is 80%.

What is the driest month?

The months with the least rainfall are July and September Rain falls for 10.2 days and accumulates 1.46" (37mm) of rain.

How much does it rain in September?

In Northport, in September, it is raining for 10.2 days, with typically 1.46" (37mm) of accumulated precipitation.

When it does not snow?

In Northport, snow does not fall in June through September.

Does it snow in September?

In Northport, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Northport?

In September, the average day length is 12h and 30min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 5:59 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 6:17 pm EDT.

How many hours of sunshine does Northport have in September?

In Northport, the average sunshine duration in September is 8.1h.

What is the UV index reading in September?

The average daily maximum UV index in September in Northport is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Northport, ME

Average temperature in September - Northport, ME
  • Average high temperature in September: 67.1°F

The warmest months (with the highest average high temperature) are July and August (73.9°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in September: 51.1°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in September
Northport, ME

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

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

Average wind speed in September
Northport, ME

Average wind speed in September - Northport, ME
  • Average wind speed in September: 6.8mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in September
Northport, ME

Average humidity in September - Northport, ME
  • Average humidity in September: 80%

The months with the highest relative humidity are February and July (83%).
The month with the lowest relative humidity is November (77%).

Average rainfall in September
Northport, ME

Average rainfall in September - Northport, ME
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is December (2.72").
The driest months (with the least rainfall) are July and September (1.46").

Average rainfall days in September
Northport, ME

Average rainfall days in September - Northport, ME
  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.1 days).

Average snowfall in September
Northport, ME

Average snowfall in September - Northport, ME
  • Average snowfall in September: 0"

The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Northport, ME

Average snowfall days in September - Northport, ME
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Northport, ME

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in September
Northport, ME

Average sunshine days in September - Northport, ME
  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.7 days).

Average UV index in September
Northport, ME

Average UV index in September - Northport, ME
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Northport, ME

Average cloud cover in September - Northport, ME
  • Average cloud cover in September: 37

The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 37).

Average visibility in September
Northport, ME

Average visibility in September - Northport, ME
  • Average visibility in September: 5mi

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

Northport, Maine, USA

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