September weather forecast and climate
Bloomfield, CT

Weather in September

September, the first month of the autumn, in Bloomfield, is also a moderately hot month, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 55.2°F (12.9°C).

Temperature

In Bloomfield, the average high-temperature marginally drops, from a moderately hot 80.8°F (27.1°C) in August, to a still warm 73.4°F (23°C). In September, in Bloomfield, the average low-temperature is 55.2°F (12.9°C).

Humidity

The average relative humidity in September is 77%.

Rainfall

The month with the least rainfall is September when the rain falls for 13.5 days and typically collects 2.05" (52mm) of precipitation.

Snowfall

In Bloomfield snow does not fall in June through October.

Daylight

In Bloomfield, the average length of the day is 12.5h.

Sunshine

The average sunshine in Bloomfield is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 4 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. 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 Bloomfield?

The average high-temperature, in September, is 73.4°F (23°C), while the average low-temperature is 55.2°F (12.9°C).

What is the average humidity in September in Bloomfield?

In September, the average relative humidity is 77%.

How much does it rain in Bloomfield in September?

In Bloomfield, in September, it is raining for 13.5 days, with typically 2.05" (52mm) of accumulated precipitation.

What is the driest month in Bloomfield?

September is the month with the least rainfall in Bloomfield, Connecticut. Rain falls for 13.5 days and accumulates 2.05" (52mm) of precipitation.

When it does not snow in Bloomfield?

In Bloomfield, Connecticut, snow does not fall in June through October.

How many hours of daylight does Bloomfield have in September?

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

How many hours of sunshine does Bloomfield have in September?

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

What is the UV index reading in September in Bloomfield?

In Bloomfield, Connecticut, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.

Average temperature in September
Bloomfield, CT

Average temperature in September - Bloomfield, 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 (32.7°F).

  • Average low temperature in September: 55.2°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 (20.7°F).

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Average pressure in September
Bloomfield, CT

Average pressure in September - Bloomfield, 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
Bloomfield, CT

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

The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in September
Bloomfield, CT

Average humidity in September - Bloomfield, 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 (70%).

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Average rainfall in September
Bloomfield, CT

Average rainfall in September - Bloomfield, CT
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in September
Bloomfield, CT

Average rainfall days in September - Bloomfield, CT
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (9 days).

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Average snowfall in September
Bloomfield, CT

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

The month with the highest snowfall is February (4.8").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Bloomfield, CT

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

The month with the highest number of snowfall days is February (8.3 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
Bloomfield, CT

Average daylight in September / Average sunshine in September - Bloomfield, 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

Months with the most sunshine are July and August (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
Bloomfield, CT

Average sunshine days in September - Bloomfield, CT
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is June (10.4 days).

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Average UV index in September
Bloomfield, CT

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

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

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Average cloud cover in September
Bloomfield, CT

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

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

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Average visibility in September
Bloomfield, CT

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

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

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