September weather forecast
Isle La Motte, VT

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Weather in September

The first month of the autumn, September, is also an agreeable month in Isle La Motte, Vermont, with an average temperature fluctuating between 69.3°F (20.7°C) and 50.9°F (10.5°C).

Temperature

Isle La Motte's September weather features a light decline in high-temperatures, reducing from a warm 75.9°F (24.4°C) in August to an agreeable 69.3°F (20.7°C). September brings an average low-temperature of 50.9°F (10.5°C) to Isle La Motte.

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Isle La Motte, in September, it is raining for 12.6 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 150.7 rainfall days, and 28.31" (719mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Isle La Motte.

Daylight

In Isle La Motte, the average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 6:16 am and sunset at 7:29 pm. On the last day of September, in Isle La Motte, sunrise is at 6:50 am and sunset at 6:35 pm EDT.

Sunshine

In Isle La Motte, the average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 3 in September leads to these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

An average high-temperature, in September, in Isle La Motte, is 69.3°F (20.7°C) and the average low-temperature is 50.9°F (10.5°C).

What is the average humidity in September?

In September, the average relative humidity is 79%.

How many days does it rain in September?

In Isle La Motte, in September, it is raining for 12.6 days, with typically 2.05" (52mm) of accumulated precipitation.

When it does not snow?

In Isle La Motte, snow does not fall in June through September.

Does it snow in September?

In Isle La Motte, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Isle La Motte have in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:16 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:35 pm EDT.

How many hours of sunshine does Isle La Motte have in September?

In Isle La Motte, the average sunshine duration in September is 8.8h.

What is the UV index reading in September in Isle La Motte?

In September, the average daily maximum UV index is 3. A UV Index 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
Isle La Motte, VT

Average temperature in September - Isle La Motte, VT
  • Average high temperature in September: 69.3°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (23.7°F).

  • Average low temperature in September: 50.9°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).

Average pressure in September
Isle La Motte, VT

Average pressure in September - Isle La Motte, 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).

Average wind speed in September
Isle La Motte, VT

Average wind speed in September - Isle La Motte, VT
  • Average wind speed in September: 6.6mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in September
Isle La Motte, VT

Average humidity in September - Isle La Motte, VT
  • Average humidity in September: 79%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (75%).

Average rainfall in September
Isle La Motte, VT

Average rainfall in September - Isle La Motte, VT
  • Average rainfall in September: 2.05"

The wettest months (with the highest rainfall) are June and August (3.23").
The driest month (with the least rainfall) is January (1.65").

Average rainfall days in September
Isle La Motte, VT

Average rainfall days in September - Isle La Motte, VT
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (5.8 days).

Average snowfall in September
Isle La Motte, VT

Average snowfall in September - Isle La Motte, VT
  • Average snowfall in September: 0"

The month with the highest snowfall is February (7.44").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Isle La Motte, VT

Average snowfall days in September - Isle La Motte, VT
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Isle La Motte, VT

Average daylight in September / Average sunshine in September - Isle La Motte, 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 months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).

Average sunshine days in September
Isle La Motte, VT

Average sunshine days in September - Isle La Motte, VT
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.2 days).

Average UV index in September
Isle La Motte, VT

Average UV index in September - Isle La Motte, VT
  • Average UV index in September: 3

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

Average cloud cover in September
Isle La Motte, VT

Average cloud cover in September - Isle La Motte, VT
  • Average cloud cover in September: 34

The month with the most cloud cover is February (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in September
Isle La Motte, VT

Average visibility in September - Isle La Motte, VT
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

Isle La Motte, Vermont, USA

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