September weather forecast
Westfield, VT

Weather in September

The first month of the autumn, September, is still a comfortable month in Westfield, Vermont, with an average temperature fluctuating between 47.3°F (8.5°C) and 66.6°F (19.2°C).

Temperature

In September, the average high-temperature slightly decreases from a moderately hot 73.8°F (23.2°C) in August to a comfortable 66.6°F (19.2°C). In September, in Westfield, Vermont, the average low-temperature is 47.3°F (8.5°C).

Humidity

In September, the average relative humidity in Westfield is 81%.

Rainfall

In September, the rain falls for 13.5 days. Throughout September, 2.6" (66mm) of precipitation is accumulated. Throughout the year, there are 156.3 rainfall days, and 32.64" (829mm) of precipitation is accumulated.

Snowfall

In Westfield, snow does not fall in June through September.

Daylight

In Westfield, Vermont, the average length of the day in September is 12h and 31min.
On the first day of September, sunrise is at 6:12 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:32 pm EDT.

Sunshine

The average sunshine in September is 8h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 3 in September transform into the following instructions:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in September in Westfield?

In Westfield, the average relative humidity in September is 81%.

How many days does it rain in September in Westfield?

In Westfield, during September, the rain falls for 13.5 days and regularly aggregates up to 2.6" (66mm) of precipitation.

When it does not snow in Westfield?

In Westfield, snow does not fall in June through September.

Does it snow in Westfield in September?

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

How many hours of daylight does Westfield have in September?

In September, the average day length in Westfield is 12h and 31min.

What time are sunrise and sunset in September in Westfield?

In September, on the first day of the month, sunrise is at 6:12 am and sunset at 7:27 pm. On the last day of the month, in Westfield, sunrise is at 6:46 am and sunset at 6:32 pm EDT.

How long on average sun shines in September in Westfield?

In September, the average sunshine duration in Westfield is 8h.

How high is the UV index in September in Westfield?

In Westfield, 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Westfield, VT

Average temperature in September - Westfield, VT
  • Average high temperature in September: 66.6°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (21.6°F).

  • Average low temperature in September: 47.3°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 (8.6°F).

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Average pressure in September
Westfield, VT

Average pressure in September - Westfield, VT
  • Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in September
Westfield, VT

Average wind speed in September - Westfield, VT
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in September
Westfield, VT

Average humidity in September - Westfield, VT
  • Average humidity in September: 81%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (77%).

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Average rainfall in September
Westfield, VT

Average rainfall in September - Westfield, VT
  • Average rainfall in September: 2.6"

The wettest months (with the highest rainfall) are May and June (3.23").
The driest month (with the least rainfall) is February (2.13").

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Average rainfall days in September
Westfield, VT

Average rainfall days in September - Westfield, VT
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is January (4.5 days).

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Average snowfall in September
Westfield, VT

Average snowfall in September - Westfield, VT
  • Average snowfall in September: 0"

The month with the highest snowfall is February (13.74").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Westfield, VT

Average snowfall days in September - Westfield, VT
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (21.4 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
Westfield, VT

Average daylight in September / Average sunshine in September - Westfield, VT
  • Average daylight in September: 12h and 31min

The month with the longest days is June (Average daylight: 15h and 32min).
The month with the shortest days is December (Average daylight: 8h and 51min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 0min).

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Average sunshine days in September
Westfield, VT

Average sunshine days in September - Westfield, VT
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (6.2 days).

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Average UV index in September
Westfield, VT

Average UV index in September - Westfield, VT
  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in September
Westfield, VT

Average cloud cover in September - Westfield, VT
  • Average cloud cover in September: 43

The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 40).

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Average visibility in September
Westfield, VT

Average visibility in September - Westfield, VT
  • Average visibility in September: 5mi

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

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