September weather forecast
Post Mills, VT

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Weather in September

The first month of the autumn, September, is still a pleasant month in Post Mills, Vermont, with temperature in the range of an average high of 68.4°F (20.2°C) and an average low of 48.2°F (9°C).

Temperature

Post Mills's transition into September involves a gentle shift in temperature, receding from a warm 76.1°F (24.5°C) in August to an agreeable 68.4°F (20.2°C). In Post Mills, the average nighttime temperature during September is a frosty 48.2°F (9°C).

Humidity

The average relative humidity in September in Post Mills is 80%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.2 days and typically collects 1.89" (48mm) of precipitation.

Snowfall

In Post Mills, snow does not fall in June through September.

Daylight

The average length of the day in September in Post Mills is 12h and 30min.
On the first day of September, sunrise is at 6:13 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:31 pm EDT.

Sunshine

In September, the average sunshine in Post Mills is 8.4h.

UV index

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 3 during September translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

What is the temperature in September in Post Mills?

In September, in Post Mills, the average high-temperature is 68.4°F (20.2°C), and the average low-temperature is 48.2°F (9°C).

What is the average humidity in September in Post Mills?

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

What is the driest month in Post Mills?

The month with the least rainfall in Post Mills is September, when the rain falls for 12.2 days and typically collects 1.89" (48mm) of precipitation.

How many days does it rain in September in Post Mills?

In Post Mills, Vermont, during September, the rain falls for 12.2 days and regularly aggregates up to 1.89" (48mm) of precipitation.

When it does not snow in Post Mills?

June through September are months without snowfall.

Does it snow in Post Mills in September?

In Post Mills, Vermont, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Post Mills have in September?

In Post Mills, the average day length in September is 12h and 30min.

What time are sunrise and sunset in September in Post Mills?

On the first day of September in Post Mills, sunrise is at 6:13 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:31 pm EDT.

How many hours of sunshine does Post Mills have in September?

In Post Mills, Vermont, the average sunshine duration in September is 8.4h.

What is the UV index reading in September in Post Mills?

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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
Post Mills, VT

Average temperature in September - Post Mills, VT
  • Average high temperature in September: 68.4°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (23.9°F).

  • Average low temperature in September: 48.2°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

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Average pressure in September
Post Mills, VT

Average pressure in September - Post Mills, VT
  • 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 (29.91"Hg).

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Average wind speed in September
Post Mills, VT

Average wind speed in September - Post Mills, VT
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in September
Post Mills, VT

Average humidity in September - Post Mills, VT
  • Average humidity in September: 80%

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (76%).

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Average rainfall in September
Post Mills, VT

Average rainfall in September - Post Mills, VT
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is October (3.11").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in September
Post Mills, VT

Average rainfall days in September - Post Mills, VT
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (7.2 days).

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Average snowfall in September
Post Mills, VT

Average snowfall in September - Post Mills, VT
  • Average snowfall in September: 0"

The month with the highest snowfall is February (12.28").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Post Mills, VT

Average snowfall days in September - Post Mills, VT
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.8 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
Post Mills, VT

Average daylight in September / Average sunshine in September - Post Mills, VT
  • 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 6min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

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Average sunshine days in September
Post Mills, VT

Average sunshine days in September - Post Mills, VT
  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (9.3 days).

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Average UV index in September
Post Mills, VT

Average UV index in September - Post Mills, VT
  • Average UV index in September: 3

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
Post Mills, VT

Average cloud cover in September - Post Mills, VT
  • Average cloud cover in September: 41

The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in September
Post Mills, VT

Average visibility in September - Post Mills, VT
  • Average visibility in September: 4mi

The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).

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Post Mills, Vermont, USA

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