September weather forecast
East Boothbay, ME

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Weather in September

September, the first month of the autumn in East Boothbay, is still a refreshing month, with an average temperature ranging between max 67.5°F (19.7°C) and min 53.6°F (12°C).

Temperature

With the onset of September, East Boothbay experiences a modest temperature adjustment, with the average high-temperature gently receding from a warm 74.1°F (23.4°C) in August to a comfortable 67.5°F (19.7°C). East Boothbay experiences a mean temperature of 53.6°F (12°C) during September nights.

Humidity

In East Boothbay, the average relative humidity in September 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 East Boothbay, snow does not fall in June through October.

Daylight

The average length of the day in September 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 East Boothbay, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What are the temperatures in September?

East Boothbay in September has an average high-temperature of 67.5°F (19.7°C) and an average low-temperature of 53.6°F (12°C).

What is the average humidity in September?

The average relative humidity in September is 80%.

What is the driest month?

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

How many days does it rain in September?

In East Boothbay, in September, during 10.8 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

When it does not snow?

June through October are months without snowfall.

What is the average length of the day in September?

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

When are sunrise and sunset in September?

On the first day of September, 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 long on average sun shines in September?

The average sunshine duration in September is 8.4h.

How high is the UV index in September in East Boothbay?

In East Boothbay, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
East Boothbay, ME

Average temperature in September - East Boothbay, 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
East Boothbay, ME

Average pressure in September - East Boothbay, 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
East Boothbay, ME

Average wind speed in September - East Boothbay, 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
East Boothbay, ME

Average humidity in September - East Boothbay, 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
East Boothbay, ME

Average rainfall in September - East Boothbay, 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
East Boothbay, ME

Average rainfall days in September - East Boothbay, 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
East Boothbay, ME

Average snowfall in September - East Boothbay, 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
East Boothbay, ME

Average snowfall days in September - East Boothbay, 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
East Boothbay, ME

Average daylight in September / Average sunshine in September - East Boothbay, 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
East Boothbay, ME

Average sunshine days in September - East Boothbay, 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
East Boothbay, ME

Average UV index in September - East Boothbay, 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
East Boothbay, ME

Average cloud cover in September - East Boothbay, 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
East Boothbay, ME

Average visibility in September - East Boothbay, 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).

East Boothbay, Maine, USA

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