Montpelier
Vermont, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Montpelier, VT

Sunset in the scenic leafy town of Montpelier, Vermont, in autumn
Sunset in the scenic leafy town of Montpelier, Vermont, in autumn
The first month of the autumn, September, is still a pleasant month in Montpelier, Vermont, with average temperature fluctuating between 46°F (7.8°C) and 68.7°F (20.4°C).

Temperature

In Montpelier, the average high-temperature slightly decreases, from a warm 76.6°F (24.8°C) in August, to a pleasant 68.7°F (20.4°C). The average low-temperature, in September, is 46°F (7.8°C).

Rainfall

In September, in Montpelier, the rain falls for 10.4 days. Throughout September, 3.1" (79.2mm) of precipitation is accumulated. Throughout the year, in Montpelier, there are 148.6 rainfall days, and 37.3" (946.6mm) of precipitation is accumulated.

Snowfall

In Montpelier snow does not fall in May through September.

Daylight

The average length of the day in Montpelier, Vermont, is 12.5h.

Sunshine

In Montpelier, Vermont, the average sunshine in September is 6h.

UV index

The average daily maximum UV index in Montpelier is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Montpelier?

In Montpelier, in September, the average high-temperature is 68.7°F (20.4°C), and the average low-temperature is 46°F (7.8°C).

How many days does it rain in September in Montpelier?

In Montpelier, Vermont, in September, it is raining for 10.4 days, with typically 3.1" (79.2mm) of accumulated precipitation.

Does it snow in Montpelier in September?

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

When it does not snow in Montpelier?

May through September are months without snowfall in Montpelier, Vermont.

How many hours of daylight does Montpelier have in September?

The average length of the day in September is 12.5h.

How long on average sun shines in September in Montpelier?

In September, the average sunshine is 6h.

What is the UV index intensity in September in Montpelier?

In Montpelier, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in September - Montpelier, VT
  • Average high temperature in September: 68.7°F

The warmest month (with the highest average high temperature) is July (78.5°F).
The month with the lowest average high temperature is January (26.4°F).

  • Average low temperature in September: 46.1°F

The month with the highest average low temperature is July (55.7°F).
The coldest month (with the lowest average low temperature) is January (7°F).

Average rainfall in September - Montpelier, VT
  • Average rainfall in September: 3.1"

The wettest month (with the highest rainfall) is July (4.1").
The driest month (with the lowest rainfall) is February (2").

Average rainfall days in September - Montpelier, VT
  • Average rainfall days in September: 10.4 days

The month with the highest number of rainy days is December (14.4 days).
The month with the lowest number of rainy days is September (10.4 days).

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

The month with the highest snowfall is January (22.6").
Months with the lowest snowfall are May, June, July, August and September (0").

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

The month with the highest number of snowfall days is January (12 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Montpelier, VT
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).

  • Average sunshine in September: 6h

Months with most sunshine are June and July (Average sunshine: 9h).
Months with least sunshine are November and December (Average sunshine: 3).

Average UV index in September - Montpelier, VT
  • Average UV index in September: 5

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).