September weather forecast
Concord, VT

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Weather in September

The first month of the autumn, September, is also an enjoyable month in Concord, Vermont, with an average temperature fluctuating between 67.8°F (19.9°C) and 47.1°F (8.4°C).

Temperature

The onset of September is marked by a minor decrease in temperature, transitioning from a warm 75°F (23.9°C) in August to an enjoyable 67.8°F (19.9°C). September nights in Concord experience a consistent temperature drop to a frosty 47.1°F (8.4°C).

Humidity

The average relative humidity in September is 80%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September in Concord is 12h and 30min.
On the first day of September, sunrise is at 6:10 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:29 pm EDT.

Sunshine

The average sunshine in September is 8.4h.

UV index

In Concord, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 3 in September transforms into the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. 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 is the temperature in September in Concord?

The high-temperature, in September, in Concord, is 67.8°F (19.9°C), while the low-temperature averages to 47.1°F (8.4°C).

What is the average humidity in September in Concord?

In September, the average relative humidity is 80%.

What is the driest month in Concord?

September is the month with the least rainfall in Concord, Vermont. Rain falls for 11.5 days and accumulates 1.97" (50mm) of precipitation.

How much does it rain in Concord in September?

In Concord, in September, it is raining for 11.5 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow in Concord?

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

Does it snow in Concord in September?

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

How many hours of daylight does Concord have in September?

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

When are sunrise and sunset in September in Concord?

On the first day of September, sunrise is at 6:10 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:29 pm EDT.

How many hours of sunshine does Concord have in September?

The average sunshine duration in September in Concord, Vermont, is 8.4h.

How high is the UV index in September in Concord?

In Concord, Vermont, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Concord, VT

Average temperature in September - Concord, VT
  • Average high temperature in September: 67.8°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (22.8°F).

  • Average low temperature in September: 47.1°F

The month with the highest average low temperature is July (54.5°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).

Average pressure in September
Concord, VT

Average pressure in September - Concord, VT
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
Concord, VT

Average wind speed in September - Concord, VT
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Concord, VT

Average humidity in September - Concord, VT
  • Average humidity in September: 80%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (76%).

Average rainfall in September
Concord, VT

Average rainfall in September - Concord, VT
  • Average rainfall in September: 1.97"

The wettest months (with the highest rainfall) are June and October (2.87").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in September
Concord, VT

Average rainfall days in September - Concord, VT
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (6.1 days).

Average snowfall in September
Concord, VT

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

The month with the highest snowfall is January (12.44").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Concord, VT

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

The month with the highest number of snowfall days is February (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Concord, 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 2min

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

Average sunshine days in September
Concord, VT

Average sunshine days in September - Concord, VT
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (6.6 days).

Average UV index in September
Concord, VT

Average UV index in September - Concord, 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).

Average cloud cover in September
Concord, VT

Average cloud cover in September - Concord, VT
  • Average cloud cover in September: 40

The month with the most cloud cover is February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 39).

Average visibility in September
Concord, VT

Average visibility in September - Concord, 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).

Concord, Vermont, USA

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