September weather forecast
Fair Haven, VT

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Weather in September

September in Fair Haven, Vermont marks the transition from summer to autumn, with temperatures starting a gradual descent. The distinct feature of this month is the low rainfall amounts hovering around 1.77" (45mm). Despite shorter daylight hours, the weather remains warm enough to enjoy outdoor activities. Sunshine hours decrease as the month progresses, providing a blend of summer warmth and autumn coolness. As autumn makes its presence known, foliage starts to change colour, adding to the city's beauty.

Temperature

A subtle change in temperatures is noted in Fair Haven as August gives way to September, with average highs reducing from a moderately hot 77.5°F (25.3°C) to a pleasant 69.8°F (21°C). Throughout September, Fair Haven experiences a low-temperature average of 49.5°F (9.7°C).

Humidity

In September, the average relative humidity in Fair Haven, Vermont, is 79%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.8 days and accumulates 1.77" (45mm) of precipitation.

Snowfall

In Fair Haven, snow does not fall in June through September.

Daylight

The average length of the day in September in Fair Haven is 12h and 29min.
On the first day of September, sunrise is at 6:17 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:35 pm EDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

In Fair Haven, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures in Fair Haven?

In Fair Haven, 69.8°F (21°C) is the average high-temperature and 49.5°F (9.7°C) is the average low-temperature during September.

What is the average humidity in September in Fair Haven?

The average relative humidity in September in Fair Haven is 79%.

What is the driest month in Fair Haven?

September is the month with the least rainfall. Rain falls for 11.8 days and accumulates 1.77" (45mm) of precipitation.

How many days does it rain in September in Fair Haven?

In Fair Haven, during September, the rain falls for 11.8 days and regularly aggregates up to 1.77" (45mm) of precipitation.

When it does not snow in Fair Haven?

In Fair Haven, snow does not fall in June through September.

Does it snow in Fair Haven in September?

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

What is the average length of the day in September in Fair Haven?

The average day length in September in Fair Haven is 12h and 29min.

What time are sunrise and sunset in September in Fair Haven?

On the first day of September, sunrise is at 6:17 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:35 pm EDT.

How long on average sun shines in September in Fair Haven?

In Fair Haven, Vermont, the average sunshine duration in September is 8.7h.

What is the UV index reading in September in Fair Haven?

In Fair Haven, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
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
Fair Haven, VT

Average temperature in September - Fair Haven, VT
  • Average high temperature in September: 69.8°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in September: 49.5°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in September
Fair Haven, VT

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

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
Fair Haven, VT

Average wind speed in September - Fair Haven, VT
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in September
Fair Haven, VT

Average humidity in September - Fair Haven, VT
  • Average humidity in September: 79%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (74%).

Average rainfall in September
Fair Haven, VT

Average rainfall in September - Fair Haven, VT
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in September
Fair Haven, VT

Average rainfall days in September - Fair Haven, VT
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (7.7 days).

Average snowfall in September
Fair Haven, VT

Average snowfall in September - Fair Haven, VT
  • Average snowfall in September: 0"

The month with the highest snowfall is February (10.16").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Fair Haven, VT

Average snowfall days in September - Fair Haven, VT
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Fair Haven, VT

Average daylight in September / Average sunshine in September - Fair Haven, 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 4min

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: 3h and 24min).

Average sunshine days in September
Fair Haven, VT

Average sunshine days in September - Fair Haven, VT
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is February (10.2 days).

Average UV index in September
Fair Haven, VT

Average UV index in September - Fair Haven, 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 and December (UV index 1).

Average cloud cover in September
Fair Haven, VT

Average cloud cover in September - Fair Haven, VT
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Fair Haven, VT

Average visibility in September - Fair Haven, VT
  • Average visibility in September: 5mi

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

Fair Haven, Vermont, USA

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