September weather forecast
South Egremont, MA

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Weather in September

The first month of the autumn, September, is still a pleasant month in South Egremont, Massachusetts, with an average temperature fluctuating between 70.9°F (21.6°C) and 51.3°F (10.7°C).

Temperature

South Egremont in September experiences a gentle temperature dip, with average high-temperatures reducing from a warm 78.4°F (25.8°C) in August to a pleasant 70.9°F (21.6°C). South Egremont observes an average low-temperature of 51.3°F (10.7°C) during September.

Humidity

In September, the average relative humidity is 80%.

Rainfall

In South Egremont, in September, during 12.7 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 157.8 rainfall days, and 31.69" (805mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in South Egremont.

Daylight

In South Egremont, the average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 6:19 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:36 pm EDT.

Sunshine

In South Egremont, Massachusetts, the average sunshine in September is 8.5h.

UV index

In South Egremont, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Be vigilant - Preventing sunburn is recommended. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What are September temperatures in South Egremont?

The average high-temperature, in September, in South Egremont, is 70.9°F (21.6°C), while the average low-temperature is 51.3°F (10.7°C).

What is the average humidity in September in South Egremont?

In South Egremont, Massachusetts, the average relative humidity in September is 80%.

How much does it rain in South Egremont in September?

In South Egremont, in September, during 12.7 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

When it does not snow in South Egremont?

In South Egremont, Massachusetts, snow does not fall in June through September.

Does it snow in South Egremont in September?

In South Egremont, Massachusetts, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does South Egremont have in September?

The average day length in September in South Egremont, Massachusetts, is 12h and 28min.

What time are sunrise and sunset in September in South Egremont?

On the first day of September in South Egremont, sunrise is at 6:19 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:36 pm EDT.

How many hours of sunshine does South Egremont have in September?

In September, the average sunshine duration in South Egremont is 8.5h.

What is the UV index reading in September in South Egremont?

The average daily maximum UV index in September in South Egremont is 4. A UV Index of 3 to 5 symbolizes 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
South Egremont, MA

Average temperature in September - South Egremont, MA
  • Average high temperature in September: 70.9°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in September: 51.3°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in September
South Egremont, MA

Average pressure in September - South Egremont, MA
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
South Egremont, MA

Average wind speed in September - South Egremont, MA
  • Average wind speed in September: 5.6mph

The windiest months (with the highest average wind speed) are January and March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in September
South Egremont, MA

Average humidity in September - South Egremont, MA
  • Average humidity in September: 80%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in September
South Egremont, MA

Average rainfall in September - South Egremont, MA
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is January (2.13").

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Average rainfall days in September
South Egremont, MA

Average rainfall days in September - South Egremont, MA
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in September
South Egremont, MA

Average snowfall in September - South Egremont, MA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (6.89").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
South Egremont, MA

Average snowfall days in September - South Egremont, MA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (13.2 days).
The 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
South Egremont, MA

Average daylight in September / Average sunshine in September - South Egremont, MA
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 3min

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

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Average sunshine days in September
South Egremont, MA

Average sunshine days in September - South Egremont, MA
  • Average sunshine days in September: 15.5 days

The months with the most sunshine days are September and November (15.5 days).
The month with the least sunshine days is February (11.1 days).

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Average UV index in September
South Egremont, MA

Average UV index in September - South Egremont, MA
  • Average UV index in September: 4

The months with the highest UV index are May, June, 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
South Egremont, MA

Average cloud cover in September - South Egremont, MA
  • Average cloud cover in September: 40

The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 37).

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Average visibility in September
South Egremont, MA

Average visibility in September - South Egremont, MA
  • Average visibility in September: 5mi

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

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South Egremont, Massachusetts, USA

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