September weather forecast
Burlington, VT

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Colorful lights, trees, and beautiful houses on either side of a street in Burlington, Vermont
Colorful lights, trees, and beautiful houses on either side of a street in Burlington, Vermont

Weather in September

September brings the onset of fall to Burlington, with temperatures starting to cool down to a high of 69.1°F (20.6°C). The transition from summer to fall is a sight to behold, with nature decking up in vibrant colors. With daylight hours shrinking, the advent of autumn becomes evident. The weather remains pleasant inviting residents to relish the unique charm of the fall season.

Temperature

In Burlington, the average high-temperature in September slightly decreases from a moderately hot 76.6°F (24.8°C) in August to a pleasant 69.1°F (20.6°C). During September, the temperature in Burlington, Vermont, tends to dip to an average of 49.3°F (9.6°C) at night.

Humidity

The average relative humidity in September is 78%.

Rainfall

In Burlington, during September, the rain falls for 11.3 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Burlington, during the entire year, the rain falls for 153.4 days and collects up to 17.01" (432mm) of precipitation.

Snowfall

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

Daylight

In Burlington, the average length of the day in September is 12h and 30min.
On the first day of the month, sunrise is at 6:16 am and sunset at 7:28 pm. On the last day of September, in Burlington, sunrise is at 6:50 am and sunset at 6:34 pm EDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

In Burlington, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 3 during September leads to these instructions:
Ensure safety - Sun damage prevention is strongly urged. To protect against the Sun's most potent rays, avoid direct exposure around midday. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures in Burlington?

The high-temperature during September is 69.1°F (20.6°C) and the low-temperature is 49.3°F (9.6°C).

What is the average humidity in September in Burlington?

In Burlington, the average relative humidity in September is 78%.

How much does it rain in Burlington in September?

In September, in Burlington, Vermont, the rain falls for 11.3 days. Throughout September, 1.18" (30mm) of precipitation is accumulated.

When it does not snow in Burlington?

In Burlington, Vermont, snow does not fall in June through September.

Does it snow in Burlington in September?

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

How many hours of daylight does Burlington have in September?

The average day length in September is 12h and 30min.

What time are sunrise and sunset in September in Burlington?

In September, on the first day of the month, sunrise is at 6:16 am and sunset at 7:28 pm. On the last day of the month, in Burlington, sunrise is at 6:50 am and sunset at 6:34 pm EDT.

How many hours of sunshine does Burlington have in September?

In Burlington, Vermont, the average sunshine duration in September is 8.9h.

What is the UV index intensity in September in Burlington?

In Burlington, Vermont, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Burlington, VT

Average temperature in September - Burlington, VT
  • Average high temperature in September: 69.1°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in September: 49.3°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

Average pressure in September
Burlington, VT

Average pressure in September - Burlington, 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).

Average wind speed in September
Burlington, VT

Average wind speed in September - Burlington, VT
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in September
Burlington, VT

Average humidity in September - Burlington, VT
  • Average humidity in September: 78%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (75%).

Average rainfall in September
Burlington, VT

Average rainfall in September - Burlington, VT
  • Average rainfall in September: 1.18"

The wettest month (with the highest rainfall) is June (2.09").
The driest month (with the least rainfall) is February (0.87").

Average rainfall days in September
Burlington, VT

Average rainfall days in September - Burlington, VT
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in September
Burlington, VT

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

The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Burlington, VT

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

The months with the highest number of snowfall days are January and February (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Burlington, VT

Average daylight in September / Average sunshine in September - Burlington, VT
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 0min).

Average sunshine days in September
Burlington, VT

Average sunshine days in September - Burlington, VT
  • Average sunshine days in September: 16.4 days

The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (7.3 days).

Average UV index in September
Burlington, VT

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

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

Average cloud cover in September
Burlington, VT

Average cloud cover in September - Burlington, VT
  • Average cloud cover in September: 35

The month with the most cloud cover is February (Cloud cover 70).
The months with the least cloud cover are July, August and September (Cloud cover 35).

Average visibility in September
Burlington, VT

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

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

Burlington, Vermont, USA

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