September weather forecast
Winchester Center, CT

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Weather in September

The first month of the autumn, September, is also an agreeable month in Winchester Center, Connecticut, with an average temperature fluctuating between 53.1°F (11.7°C) and 71.8°F (22.1°C).

Temperature

September sees a slight reduction in average high-temperature, with a shift from a moderately hot 78.8°F (26°C) in August to a pleasant 71.8°F (22.1°C). Winchester Center reports an average low-temperature of 53.1°F (11.7°C) during the nights of September.

Humidity

In Winchester Center, the average relative humidity in September is 79%.

Rainfall

September is the month with the least rainfall in Winchester Center. Rain falls for 13 days and accumulates 2.09" (53mm) of precipitation.

Snowfall

June through September are months without snowfall in Winchester Center, Connecticut.

Daylight

In September, the average length of the day in Winchester Center is 12h and 28min.
On the first day of the month, sunrise is at 6:19 am and sunset at 7:25 pm. On the last day of September, in Winchester Center, sunrise is at 6:49 am and sunset at 6:35 pm EDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September in Winchester Center is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What is the usual temperature for Winchester Center in September?

The high-temperature in Winchester Center during September is 71.8°F (22.1°C) and the low-temperature is 53.1°F (11.7°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is computed to be 86°F (30°C).

What is the average humidity in September in Winchester Center?

In Winchester Center, the average relative humidity in September is 79%.

What is the driest month in Winchester Center?

The month with the least rainfall in Winchester Center, Connecticut, is September, when the rain falls for 13 days and typically collects 2.09" (53mm) of precipitation.

How many days does it rain in September in Winchester Center?

In Winchester Center, Connecticut, in September, during 13 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow in Winchester Center?

In Winchester Center, snow does not fall in June through September.

Does it snow in Winchester Center in September?

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

What is the average length of the day in September in Winchester Center?

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

When is the sunrise / sunset in September in Winchester Center?

In September, on the first day of the month, sunrise is at 6:19 am and sunset at 7:25 pm. On the last day of the month, in Winchester Center, sunrise is at 6:49 am and sunset at 6:35 pm EDT.

How many hours of sunshine does Winchester Center have in September?

In September, the average sunshine duration in Winchester Center, Connecticut, is 8.3h.

What is the UV index intensity in September in Winchester Center?

In Winchester Center, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Winchester Center, CT

Average temperature in September - Winchester Center, CT
  • Average high temperature in September: 71.8°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in September: 53.1°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in September
Winchester Center, CT

Average pressure in September - Winchester Center, 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
Winchester Center, CT

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

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in September
Winchester Center, CT

Average humidity in September - Winchester Center, CT
  • Average humidity in September: 79%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in September
Winchester Center, CT

Average rainfall in September - Winchester Center, CT
  • Average rainfall in September: 2.09"

The wettest months (with the highest rainfall) are October and December (3.31").
The driest month (with the least rainfall) is September (2.09").

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Average rainfall days in September
Winchester Center, CT

Average rainfall days in September - Winchester Center, CT
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (7.1 days).

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Average snowfall in September
Winchester Center, CT

Average snowfall in September - Winchester Center, CT
  • Average snowfall in September: 0"

The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Winchester Center, CT

Average snowfall days in September - Winchester Center, CT
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (11.3 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
Winchester Center, CT

Average daylight in September / Average sunshine in September - Winchester Center, CT
  • Average daylight in September: 12h and 3min

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

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in September
Winchester Center, CT

Average sunshine days in September - Winchester Center, CT
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in September
Winchester Center, CT

Average UV index in September - Winchester Center, CT
  • Average UV index in September: 4

The month with the highest UV index is June (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
Winchester Center, CT

Average cloud cover in September - Winchester Center, CT
  • Average cloud cover in September: 41

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in September
Winchester Center, CT

Average visibility in September - Winchester Center, CT
  • Average visibility in September: 5mi

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

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Winchester Center, Connecticut, USA

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