September weather forecast
Avon, CT

Weather in September

The first month of the autumn, September, is also an agreeable month in Avon, Connecticut, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 72.9°F (22.7°C).

Temperature

In September, the average high-temperature slightly decreases from a moderately hot 80.2°F (26.8°C) in August to an agreeable 72.9°F (22.7°C). The average low-temperature, in September, is 54.7°F (12.6°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

June through September are months without snowfall in Avon, Connecticut.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of the month, sunrise is at 6:17 am and sunset at 7:25 pm. On the last day of September, sunrise is at 6:47 am and sunset at 6:35 pm EDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 4 in September 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Avon?

In Avon, in September, the average high-temperature is 72.9°F (22.7°C), and the average low-temperature is 54.7°F (12.6°C). in July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

What is the average humidity in September in Avon?

In Avon, the average relative humidity in September is 77%.

What is the driest month in Avon?

The month with the least rainfall in Avon is September, when the rain falls for 12.6 days and typically collects 1.97" (50mm) of precipitation.

How many days does it rain in September in Avon?

In Avon, in September, during 12.6 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

When it does not snow in Avon?

In Avon, Connecticut, snow does not fall in June through September.

Does it snow in Avon in September?

In Avon, Connecticut, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Avon have in September?

In Avon, the average day length in September is 12h and 28min.

When is the sunrise / sunset in September in Avon?

In September, on the first day of the month, sunrise is at 6:17 am and sunset at 7:25 pm. On the last day of the month, in Avon, sunrise is at 6:47 am and sunset at 6:35 pm EDT.

How many hours of sunshine does Avon have in September?

In September, the average sunshine duration in Avon is 8.6h.

What is the UV index reading in September in Avon?

The average daily maximum UV index in September in Avon, Connecticut, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Avon, CT

Average temperature in September - Avon, CT
  • Average high temperature in September: 72.9°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in September: 54.7°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in September
Avon, CT

Average pressure in September - Avon, CT
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Avon, CT

Average wind speed in September - Avon, CT
  • Average wind speed in September: 5.8mph

The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in September
Avon, CT

Average humidity in September - Avon, CT
  • Average humidity in September: 77%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in September
Avon, CT

Average rainfall in September - Avon, CT
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in September
Avon, CT

Average rainfall days in September - Avon, CT
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (9.4 days).

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Average snowfall in September
Avon, CT

Average snowfall in September - Avon, CT
  • Average snowfall in September: 0"

The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Avon, CT

Average snowfall days in September - Avon, CT
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (8.9 days).
The 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
Avon, CT

Average daylight in September / Average sunshine in September - Avon, CT
  • Average daylight in September: 12h and 28min

The month with the longest days is June (Average daylight: 15h and 10min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 36min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in September
Avon, CT

Average sunshine days in September - Avon, CT
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is January (17.1 days).
The month with the least sunshine days is June (11.6 days).

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Average UV index in September
Avon, CT

Average UV index in September - Avon, CT
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in September
Avon, CT

Average cloud cover in September - Avon, CT
  • Average cloud cover in September: 38

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in September
Avon, CT

Average visibility in September - Avon, CT
  • Average visibility in September: 5mi

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

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