September weather forecast and climate
West Brattleboro, VT

Weather in September

The first month of the autumn, September, is also an agreeable month in West Brattleboro, Vermont, with average temperature varying between 50.9°F (10.5°C) and 70.2°F (21.2°C).

Temperature

In September, the average high-temperature marginally drops, from a moderately hot 77.9°F (25.5°C) in August, to a pleasant 70.2°F (21.2°C). The average low-temperature, in West Brattleboro, is 50.9°F (10.5°C).

Humidity

In West Brattleboro, the average relative humidity is 79%.

Rainfall

September is the month with the least rainfall. Rain falls for 6.8 days and accumulates 0.43" (11mm) of precipitation.

Snowfall

In West Brattleboro, Vermont, snow does not fall in May through September.

Daylight

In West Brattleboro, the average length of the day is 12.5h.

Sunshine

The average sunshine is 8.6h.

UV index

In West Brattleboro, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in West Brattleboro?

In September, in West Brattleboro, Vermont, the average high-temperature is 70.2°F (21.2°C), and the average low-temperature is 50.9°F (10.5°C).

What is the average humidity in September in West Brattleboro?

The average relative humidity in September in West Brattleboro, Vermont, is 79%.

How much does it rain in West Brattleboro in September?

In West Brattleboro, Vermont, in September, it is raining for 6.8 days, with typically 0.43" (11mm) of accumulated precipitation.

What is the driest month in West Brattleboro?

September is the month with the least rainfall in West Brattleboro, Vermont. Rain falls for 6.8 days and accumulates 0.43" (11mm) of precipitation.

Does it snow in West Brattleboro in September?

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

When it does not snow in West Brattleboro?

In West Brattleboro snow does not fall in May through September.

What is the average length of the day in September in West Brattleboro?

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

How long on average sun shines in September in West Brattleboro?

The average sunshine in September is 8.6h.

What is the UV index reading in September in West Brattleboro?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in September
West Brattleboro, VT

Average temperature in September - West Brattleboro, VT
  • Average high temperature in September: 21.2°C

The warmest month (with the highest average high temperature) is July (26.5°C).
The month with the lowest average high temperature is January (-2.3°C).

  • Average low temperature in September: 10.5°C

The month with the highest average low temperature is July (14.9°C).
The coldest month (with the lowest average low temperature) is January (-9.4°C).

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Average pressure in September
West Brattleboro, VT

Average pressure in September - West Brattleboro, VT
  • Average pressure in September: 1017.8mbar

The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).

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Average wind speed in September
West Brattleboro, VT

Average wind speed in September - West Brattleboro, VT
  • Average wind speed in September: 8.6km/h

The windiest months (with the highest average wind speed) are January, February and March (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).

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Average humidity in September
West Brattleboro, VT

Average humidity in September - West Brattleboro, VT
  • Average humidity in September: 79%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in September
West Brattleboro, VT

Average rainfall in September - West Brattleboro, VT
  • Average rainfall in September: 11mm

The wettest month (with the highest rainfall) is November (22mm).
The driest month (with the least rainfall) is September (11mm).

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Average rainfall days in September
West Brattleboro, VT

Average rainfall days in September - West Brattleboro, VT
  • Average rainfall days in September: 6.8 days

The month with the highest number of rainy days is May (10 days).
Months with the least rainy days are January and February (4.3 days).

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Average snowfall in September
West Brattleboro, VT

Average snowfall in September - West Brattleboro, VT
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (46mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in September
West Brattleboro, VT

Average snowfall days in September - West Brattleboro, VT
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (7.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
West Brattleboro, VT

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

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in September: 8.6h

The month with the most sunshine is August (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.4h).

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Average sunshine days in September
West Brattleboro, VT

Average sunshine days in September - West Brattleboro, VT
  • Average sunshine days in September: 20.5 days

The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is July (17.6 days).

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Average UV index in September
West Brattleboro, VT

Average UV index in September - West Brattleboro, VT
  • Average UV index in September: 4

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).

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Average cloud cover in September
West Brattleboro, VT

Average cloud cover in September - West Brattleboro, VT
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in September
West Brattleboro, VT

Average visibility in September - West Brattleboro, VT
  • Average visibility in September: 8km

Months with the highest visibility are April, November and December (9km).
Months with the lowest visibility are January, February, March, May, June, July, August, September and October (8km).

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