September weather forecast
East Thetford, VT

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Weather in September

September, the first month of the autumn in East Thetford, is still a pleasant month, with an average temperature ranging between min 48.2°F (9°C) and max 68.4°F (20.2°C).

Temperature

The onset of September is marked by a minor decrease in temperature, transitioning from a warm 76.1°F (24.5°C) in August to a pleasant 68.4°F (20.2°C). In East Thetford, the expected average low-temperature for September is a frosty 48.2°F (9°C).

Humidity

The average relative humidity in September in East Thetford is 80%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.2 days and accumulates 1.89" (48mm) of precipitation.

Snowfall

June through September are months without snowfall in East Thetford.

Daylight

In September, the average length of the day in East Thetford is 12h and 29min.
On the first day of the month, sunrise is at 6:13 am and sunset at 7:23 pm. On the last day of September, sunrise is at 6:46 am and sunset at 6:31 pm EDT.

Sunshine

In September, the average sunshine is 8.4h.

UV index

In September, the average daily maximum UV index in East Thetford is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 3 during September translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in East Thetford?

The average high-temperature and low-temperature in East Thetford during September are 68.4°F (20.2°C) and 48.2°F (9°C) respectively.

What is the average humidity in September in East Thetford?

The average relative humidity in September is 80%.

What is the driest month in East Thetford?

September is the month with the least rainfall in East Thetford. Rain falls for 12.2 days and accumulates 1.89" (48mm) of precipitation.

How much does it rain in East Thetford in September?

In September, in East Thetford, the rain falls for 12.2 days. Throughout September, 1.89" (48mm) of precipitation is accumulated.

When it does not snow in East Thetford?

June through September are months without snowfall.

Does it snow in East Thetford in September?

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

What is the average length of the day in September in East Thetford?

In September, the average day length is 12h and 29min.

What time are sunrise and sunset in September in East Thetford?

On the first day of September, sunrise is at 6:13 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:31 pm EDT.

How many hours of sunshine does East Thetford have in September?

In East Thetford, Vermont, the average sunshine duration in September is 8.4h.

How high is the UV index in September in East Thetford?

In East Thetford, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from 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
East Thetford, VT

Average temperature in September - East Thetford, VT
  • Average high temperature in September: 68.4°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (23.9°F).

  • Average low temperature in September: 48.2°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 (11.7°F).

Average pressure in September
East Thetford, VT

Average pressure in September - East Thetford, 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
East Thetford, VT

Average wind speed in September - East Thetford, VT
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in September
East Thetford, VT

Average humidity in September - East Thetford, VT
  • Average humidity in September: 80%

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (76%).

Average rainfall in September
East Thetford, VT

Average rainfall in September - East Thetford, VT
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is October (3.11").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in September
East Thetford, VT

Average rainfall days in September - East Thetford, VT
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (7.2 days).

Average snowfall in September
East Thetford, VT

Average snowfall in September - East Thetford, VT
  • Average snowfall in September: 0"

The month with the highest snowfall is February (12.28").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
East Thetford, VT

Average snowfall days in September - East Thetford, VT
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
East Thetford, VT

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

Average sunshine days in September
East Thetford, VT

Average sunshine days in September - East Thetford, VT
  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (9.3 days).

Average UV index in September
East Thetford, VT

Average UV index in September - East Thetford, VT
  • Average UV index in September: 3

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

Average cloud cover in September
East Thetford, VT

Average cloud cover in September - East Thetford, VT
  • Average cloud cover in September: 41

The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September
East Thetford, VT

Average visibility in September - East Thetford, VT
  • Average visibility in September: 4mi

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

East Thetford, Vermont, USA

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