September weather forecast
Pembroke, ME

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Weather in September

September, the first month of the autumn in Pembroke, is still a refreshing month, with an average temperature fluctuating between 63.5°F (17.5°C) and 54.5°F (12.5°C).

Temperature

The transition into September notes an average high-temperature of a still refreshing 63.5°F (17.5°C), revealing a mild distinction from the 67.8°F (19.9°C) in August. Pembroke records a mild decrease in temperature during the nights of September, averaging a cool 54.5°F (12.5°C).

Humidity

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

Rainfall

In Pembroke, in September, it is raining for 11 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, in Pembroke, there are 143.2 rainfall days, and 29.37" (746mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Pembroke, Maine.

Daylight

The average length of the day in September is 12h and 31min.
On the first day of September, sunrise is at 5:51 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 6:10 pm EDT.

Sunshine

In September, the average sunshine in Pembroke, Maine, is 7.8h.

UV index

The average daily maximum UV index in September in Pembroke is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 4 in September transforms into this advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

What are the temperatures in Pembroke in September?

In September, the average high-temperature and low-temperature in Pembroke are 63.5°F (17.5°C) and 54.5°F (12.5°C) respectively.

What is the average humidity in September in Pembroke?

The average relative humidity in September in Pembroke, Maine, is 80%.

How much does it rain in Pembroke in September?

In Pembroke, Maine, in September, it is raining for 11 days, with typically 2.09" (53mm) of accumulated precipitation.

When it does not snow in Pembroke?

May through September are months without snowfall in Pembroke, Maine.

Does it snow in Pembroke in September?

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

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

In September, the average day length is 12h and 31min.

When is the sunrise / sunset in September in Pembroke?

On the first day of September in Pembroke, Maine, sunrise is at 5:51 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 6:10 pm EDT.

How many hours of sunshine does Pembroke have in September?

The average sunshine duration in September in Pembroke is 7.8h.

How high is the UV index in September in Pembroke?

In Pembroke, Maine, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Pembroke, ME

Average temperature in September - Pembroke, ME
  • Average high temperature in September: 63.5°F

The warmest month (with the highest average high temperature) is August (67.8°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in September: 54.5°F

The month with the highest average low temperature is August (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

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Average pressure in September
Pembroke, ME

Average pressure in September - Pembroke, ME
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is September (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in September
Pembroke, ME

Average wind speed in September - Pembroke, ME
  • Average wind speed in September: 9.3mph

The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).

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Average humidity in September
Pembroke, ME

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

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

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Average rainfall in September
Pembroke, ME

Average rainfall in September - Pembroke, ME
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is August (1.65").

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Average rainfall days in September
Pembroke, ME

Average rainfall days in September - Pembroke, ME
  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (7.5 days).

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Average snowfall in September
Pembroke, ME

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

The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Pembroke, ME

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

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 7h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in September
Pembroke, ME

Average sunshine days in September - Pembroke, ME
  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is February (10.3 days).

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Average UV index in September
Pembroke, ME

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

The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Pembroke, ME

Average cloud cover in September - Pembroke, ME
  • Average cloud cover in September: 36

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in September
Pembroke, ME

Average visibility in September - Pembroke, ME
  • Average visibility in September: 6mi

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

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Pembroke, Maine, USA

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