September weather forecast
Essex Junction, VT

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Weather in September

September marks a transitional period when summer begins to give way to autumn. The weather becomes noticeably cooler, dropping from 76.6°F (24.8°C) to 69.1°F (20.6°C). The precise change in weather remains enjoyable, with a balance between the residual warmth of summer and the fresh coolness of forthcoming autumn. Autumn foliage gradually begins in this month, adding a spectrum of colors to the landscape.

Temperature

The commencement of September indicates a gentle shift in the average high-temperature, receding from August's moderately hot 76.6°F (24.8°C) to an agreeable 69.1°F (20.6°C). Throughout the month of September, Essex Junction observes an average nighttime temperature of 49.3°F (9.6°C).

Humidity

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

Rainfall

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

Snowfall

In Essex Junction, snow does not fall in June through September.

Daylight

In Essex Junction, the average length of the day in September is 12h and 30min.
On the first day of the month, sunrise is at 6:15 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:34 pm EDT.

Sunshine

In Essex Junction, the average sunshine in September is 8.9h.

UV index

The average daily maximum UV index in September in Essex Junction is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: An average UV index of 3 in September transforms into this advice:
Take necessary precautions - Defending against sun damage is advocated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

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?

The average relative humidity in September is 78%.

How much does it rain in September?

In Essex Junction, in September, it is raining for 11.3 days, with typically 1.18" (30mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:15 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:34 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.9h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
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
Essex Junction, VT

Average temperature in September - Essex Junction, 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
Essex Junction, VT

Average pressure in September - Essex Junction, 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
Essex Junction, VT

Average wind speed in September - Essex Junction, 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
Essex Junction, VT

Average humidity in September - Essex Junction, 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
Essex Junction, VT

Average rainfall in September - Essex Junction, 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
Essex Junction, VT

Average rainfall days in September - Essex Junction, 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
Essex Junction, VT

Average snowfall in September - Essex Junction, 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
Essex Junction, VT

Average snowfall days in September - Essex Junction, 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
Essex Junction, VT

Average daylight in September / Average sunshine in September - Essex Junction, 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
Essex Junction, VT

Average sunshine days in September - Essex Junction, 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
Essex Junction, VT

Average UV index in September - Essex Junction, 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
Essex Junction, VT

Average cloud cover in September - Essex Junction, 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
Essex Junction, VT

Average visibility in September - Essex Junction, 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).

Essex Junction, Vermont, USA

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