September weather forecast
Shapleigh, ME

Weather in September

The first month of the autumn, September, is still a pleasant month in Shapleigh, Maine, with average temperature fluctuating between 69.8°F (21°C) and 50.2°F (10.1°C).

Temperature

In Shapleigh, the average high-temperature slightly decreases, from a moderately hot 77.2°F (25.1°C) in August, to a pleasant 69.8°F (21°C). In September, the average low-temperature is 50.2°F (10.1°C).

Humidity

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

Rainfall

The month with the least rainfall in Shapleigh, Maine, is September when the rain falls for 10.9 days and typically collects 1.54" (39mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in Shapleigh is 12.5h.

Sunshine

In September, the average sunshine is 8.2h.

UV index

The average daily maximum UV index in Shapleigh, Maine, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 3 in September interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in September in Shapleigh?

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

What is the driest month in Shapleigh?

September is the month with the least rainfall in Shapleigh, Maine. Rain falls for 10.9 days and accumulates 1.54" (39mm) of precipitation.

How much does it rain in Shapleigh in September?

In Shapleigh, in September, during 10.9 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

When it does not snow in Shapleigh?

June through September are months without snowfall in Shapleigh, Maine.

Does it snow in Shapleigh in September?

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

How many hours of daylight does Shapleigh have in September?

In September, the average length of the day in Shapleigh is 12.5h.

How long on average sun shines in September in Shapleigh?

In September, the average sunshine is 8.2h.

What is the UV index intensity in September in Shapleigh?

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in September
Shapleigh, ME

Average temperature in September - Shapleigh, ME
  • Average high temperature in September: 69.8°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in September: 50.2°F

The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).

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Average pressure in September
Shapleigh, ME

Average pressure in September - Shapleigh, ME
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is November (30.06").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in September
Shapleigh, ME

Average wind speed in September - Shapleigh, ME
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in September
Shapleigh, ME

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

Months with the highest relative humidity are January and February (85%).
Months with the lowest relative humidity are April and November (77%).

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Average rainfall in September
Shapleigh, ME

Average rainfall in September - Shapleigh, ME
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in September
Shapleigh, ME

Average rainfall days in September - Shapleigh, ME
  • Average rainfall days in September: 10.9 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.5 days).

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Average snowfall in September
Shapleigh, ME

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

The month with the highest snowfall is February (9.72").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Shapleigh, ME

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

The month with the highest number of snowfall days is February (11.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Shapleigh, ME
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in September: 8.2h

The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is February (Average sunshine: 4.5h).

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Average sunshine days in September
Shapleigh, ME

Average sunshine days in September - Shapleigh, ME
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index in September
Shapleigh, ME

Average UV index in September - Shapleigh, ME
  • Average UV index in September: 3

Months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in September
Shapleigh, ME

Average cloud cover in September - Shapleigh, ME
  • Average cloud cover in September: 38

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in September
Shapleigh, ME

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

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

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