September weather forecast and climate
Kensington, CT

Weather in September

The first month of the autumn, September, is still a warm month in Kensington, Connecticut, with average temperature ranging between max 73.4°F (23°C) and min 55.9°F (13.3°C).

Temperature

In September, the average high-temperature marginally drops, from 80.8°F (27.1°C) in August, to a still warm 73.4°F (23°C). In Kensington, in September, the average low-temperature is 55.9°F (13.3°C).

Humidity

The average relative humidity in September is 77%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

June through October are months without snowfall in Kensington.

Daylight

In September, the average length of the day in Kensington is 12.5h.

Sunshine

The average sunshine in Kensington, Connecticut, is 8.7h.

UV index

The average daily maximum UV index in Kensington is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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 average humidity in September in Kensington?

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

What is the driest month in Kensington?

September is the month with the least rainfall in Kensington. Rain falls for 12.5 days and accumulates 1.97" (50mm) of precipitation.

How many days does it rain in September in Kensington?

In Kensington, Connecticut, in September, it is raining for 12.5 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow in Kensington?

June through October are months without snowfall.

What is the average length of the day in September in Kensington?

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

How long on average sun shines in September in Kensington?

In September, the average sunshine in Kensington, Connecticut, is 8.7h.

What is the UV index intensity in September in Kensington?

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

Average temperature in September
Kensington, CT

Average temperature in September - Kensington, CT
  • Average high temperature in September: 73.4°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in September: 55.9°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

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Average pressure in September
Kensington, CT

Average pressure in September - Kensington, CT
  • Average pressure in September: 30.06"

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

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Average wind speed in September
Kensington, CT

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

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in September
Kensington, CT

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

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in September
Kensington, CT

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

The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in September
Kensington, CT

Average rainfall days in September - Kensington, CT
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.8 days).

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Average snowfall in September
Kensington, CT

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

The month with the highest snowfall is February (4.69").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Kensington, CT

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

The month with the highest number of snowfall days is February (8.6 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
Kensington, CT

Average daylight in September / Average sunshine in September - Kensington, CT
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in September: 8.7h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in September
Kensington, CT

Average sunshine days in September - Kensington, CT
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (10.4 days).

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Average UV index in September
Kensington, CT

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

Months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Kensington, CT

Average cloud cover in September - Kensington, CT
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in September
Kensington, CT

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

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

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