September weather forecastGeorgetown, ME

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Georgetown, Maine, with an average temperature varying between 54.1°F (12.3°C) and 67.1°F (19.5°C).

Temperature

September's arrival signals a moderate reduction in the average high-temperature, easing from a moderately hot 73.4°F (23°C) in August to a refreshing 67.1°F (19.5°C). Georgetown in September experiences a low-temperature average of 54.1°F (12.3°C).

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 11.2 days and accumulates 1.65" (42mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in Georgetown is 12h and 29min.
On the first day of September, sunrise is at 6:03 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 6:21 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

Georgetown in September has an average high-temperature of 67.1°F (19.5°C) and an average low-temperature of 54.1°F (12.3°C).

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

September is the month with the least rainfall. Rain falls for 11.2 days and accumulates 1.65" (42mm) of precipitation.

In Georgetown, in September, during 11.2 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

June through September are months without snowfall.

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

In September, the average day length is 12h and 29min.

On the first day of September, sunrise is at 6:03 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 6:21 pm EDT.

The average sunshine duration in September in Georgetown is 8.5h.

In Georgetown, Maine, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Georgetown, ME

  • Average high temperature in September: 67.1°F

The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in September: 54.1°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in September
Georgetown, 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
Georgetown, ME

  • Average wind speed in September: 7.8mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

Average humidity in September
Georgetown, ME

  • Average humidity in September: 80%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is November (75%).

Average rainfall in September
Georgetown, ME

  • Average rainfall in September: 1.65"

The wettest months (with the highest rainfall) are October and December (3.5").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in September
Georgetown, ME

  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in September
Georgetown, ME

  • Average snowfall in September: 0"

The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Georgetown, 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
Georgetown, ME

  • Average daylight in September: 12h and 30min

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 30min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

Average sunshine days in September
Georgetown, ME

  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is April (11.9 days).

Average UV index in September
Georgetown, 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
Georgetown, ME

  • Average cloud cover in September: 33

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Georgetown, 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).