September weather forecast
Irasburg, VT

Weather in September

September, the first month of the autumn in Irasburg, is also an enjoyable month, with an average temperature ranging between max 66.7°F (19.3°C) and min 46.9°F (8.3°C).

Temperature

In Irasburg, the average high-temperature in September slightly decreases from a moderately hot 73.9°F (23.3°C) in August to a comfortable 66.7°F (19.3°C). In September, in Irasburg, the average low-temperature is 46.9°F (8.3°C).

Humidity

The average relative humidity in September is 81%.

Rainfall

In Irasburg, during September, the rain falls for 13 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Irasburg, during the entire year, the rain falls for 163.6 days and collects up to 31.65" (804mm) of precipitation.

Snowfall

June through September are months without snowfall in Irasburg.

Daylight

The average length of the day in September in Irasburg is 12h and 31min.
On the first day of September in Irasburg, sunrise is at 6:11 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:31 pm EDT.

Sunshine

The average sunshine in September is 8.2h.

UV index

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 3 in September interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in September in Irasburg?

The average relative humidity in September in Irasburg, Vermont, is 81%.

How much does it rain in Irasburg in September?

In Irasburg, during September, the rain falls for 13 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow in Irasburg?

June through September are months without snowfall.

Does it snow in Irasburg in September?

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

What is the average length of the day in September in Irasburg?

The average day length in September in Irasburg, Vermont, is 12h and 31min.

What time are sunrise and sunset in September in Irasburg?

On the first day of September, sunrise is at 6:11 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:31 pm EDT.

How long on average sun shines in September in Irasburg?

In September, the average sunshine duration in Irasburg, Vermont, is 8.2h.

How high is the UV index in September in Irasburg?

In September, the average daily maximum UV index in Irasburg, Vermont, is 3. A UV Index reading of 3 to 5 represents 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
Irasburg, VT

Average temperature in September - Irasburg, VT
  • Average high temperature in September: 66.7°F

The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (22.1°F).

  • Average low temperature in September: 46.9°F

The month with the highest average low temperature is July (54.9°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).

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Average pressure in September
Irasburg, VT

Average pressure in September - Irasburg, 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
Irasburg, VT

Average wind speed in September - Irasburg, 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
Irasburg, VT

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

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (77%).

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Average rainfall in September
Irasburg, VT

Average rainfall in September - Irasburg, VT
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (2.24").

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Average rainfall days in September
Irasburg, VT

Average rainfall days in September - Irasburg, VT
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is June (19.1 days).
The month with the least rainy days is January (5.6 days).

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Average snowfall in September
Irasburg, VT

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

The month with the highest snowfall is February (14.02").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Irasburg, VT

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

The month with the highest number of snowfall days is January (23.3 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
Irasburg, VT

Average daylight in September / Average sunshine in September - Irasburg, 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 52min).

  • Average sunshine in September: 8h and 12min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 12min).

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Average sunshine days in September
Irasburg, VT

Average sunshine days in September - Irasburg, VT
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is February (4.7 days).

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Average UV index in September
Irasburg, VT

Average UV index in September - Irasburg, 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
Irasburg, VT

Average cloud cover in September - Irasburg, VT
  • Average cloud cover in September: 41

The month with the most cloud cover is February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 39).

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Average visibility in September
Irasburg, VT

Average visibility in September - Irasburg, 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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