September weather forecast
Plimptonville, MA

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Weather in September

The first month of the autumn, September, is still a pleasant month in Plimptonville, Massachusetts, with an average temperature fluctuating between 72.9°F (22.7°C) and 56.3°F (13.5°C).

Temperature

Plimptonville's weather subtly changes with the onset of September, barely falling from a warm 81°F (27.2°C) in August to an agreeable 72.9°F (22.7°C). Throughout the month of September, Plimptonville reports a steady low-temperature average of 56.3°F (13.5°C).

Humidity

In Plimptonville, the average relative humidity in September is 77%.

Rainfall

September is the month with the least rainfall. Rain falls for 7.2 days and accumulates 0.31" (8mm) of precipitation.

Snowfall

In Plimptonville, snow does not fall in June through October.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of the month, sunrise is at 6:11 am and sunset at 7:18 pm. On the last day of September, sunrise is at 6:41 am and sunset at 6:27 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 unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 4 during September translates into the following guidance:
Make use of precautions - It is urged to ward off sun damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

What is the usual temperature for Plimptonville in September?

The high-temperature, in September, in Plimptonville, records 72.9°F (22.7°C), while the low-temperature is 56.3°F (13.5°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 77%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 7.2 days and accumulates 0.31" (8mm) of precipitation.

How much does it rain in September?

In Plimptonville, during September, the rain falls for 7.2 days and regularly aggregates up to 0.31" (8mm) of precipitation.

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 is 12h and 28min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:11 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:27 pm EDT.

How long on average sun shines in September?

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

How high is the UV index in September?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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
Plimptonville, MA

Average temperature in September - Plimptonville, MA
  • Average high temperature in September: 72.9°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

Average pressure in September
Plimptonville, MA

Average pressure in September - Plimptonville, MA
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Plimptonville, MA

Average wind speed in September - Plimptonville, MA
  • Average wind speed in September: 6.5mph

The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in September
Plimptonville, MA

Average humidity in September - Plimptonville, MA
  • Average humidity in September: 77%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).

Average rainfall in September
Plimptonville, MA

Average rainfall in September - Plimptonville, MA
  • Average rainfall in September: 0.31"

The wettest month (with the highest rainfall) is April (0.79").
The driest month (with the least rainfall) is September (0.31").

Average rainfall days in September
Plimptonville, MA

Average rainfall days in September - Plimptonville, MA
  • Average rainfall days in September: 7.2 days

The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is February (5.1 days).

Average snowfall in September
Plimptonville, MA

Average snowfall in September - Plimptonville, MA
  • Average snowfall in September: 0"

The months with the highest snowfall are March and December (0.91").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in September
Plimptonville, MA

Average snowfall days in September - Plimptonville, MA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Plimptonville, MA

Average daylight in September / Average sunshine in September - Plimptonville, 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 month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Plimptonville, MA

Average sunshine days in September - Plimptonville, MA
  • Average sunshine days in September: 20.9 days

The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (16.8 days).

Average UV index in September
Plimptonville, MA

Average UV index in September - Plimptonville, MA
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (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
Plimptonville, MA

Average cloud cover in September - Plimptonville, MA
  • Average cloud cover in September: 36

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Plimptonville, MA

Average visibility in September - Plimptonville, MA
  • 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).

Plimptonville, Massachusetts, USA

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