September weather forecast
Hawleyville, CT

Weather in September

The first month of the autumn, September, is also an agreeable month in Hawleyville, Connecticut, with average temperature varying between 57°F (13.9°C) and 73°F (22.8°C).

Temperature

In Hawleyville, the average high-temperature in September marginally drops, from a warm 80.2°F (26.8°C) in August, to a pleasant 73°F (22.8°C). The average low-temperature,, is 57°F (13.9°C).

Humidity

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

Rainfall

January and September are months with the least rain in Hawleyville, Connecticut, when the rain falls for 13.4 days and typically aggregates up to 2.4" (61mm) of rain.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in Hawleyville is 12.5h.

Sunshine

The average sunshine in Hawleyville is 8.7h.

UV index

In Hawleyville, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. 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 average humidity in September in Hawleyville?

The average relative humidity in September in Hawleyville is 77%.

What is the driest month in Hawleyville?

January and September are months with the least rain when the rain falls for 13.4 days and typically aggregates up to 2.4" (61mm) of rain.

How much does it rain in Hawleyville in September?

In Hawleyville, in September, it is raining for 13.4 days, with typically 2.4" (61mm) of accumulated precipitation.

When it does not snow in Hawleyville?

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

Does it snow in Hawleyville in September?

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

How many hours of daylight does Hawleyville have in September?

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

How many hours of sunshine does Hawleyville have in September?

In September, the average sunshine is 8.7h.

How high is the UV index in September in Hawleyville?

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in September
Hawleyville, CT

Average temperature in September - Hawleyville, CT
  • Average high temperature in September: 73°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 (33.4°F).

  • Average low temperature in September: 57°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in September
Hawleyville, CT

Average pressure in September - Hawleyville, 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
Hawleyville, CT

Average wind speed in September - Hawleyville, CT
  • Average wind speed in September: 6.1mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in September
Hawleyville, CT

Average humidity in September - Hawleyville, 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 (72%).

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Average rainfall in September
Hawleyville, CT

Average rainfall in September - Hawleyville, CT
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is December (4.02").
The driest months (with the least rainfall) are January and September (2.4").

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Average rainfall days in September
Hawleyville, CT

Average rainfall days in September - Hawleyville, CT
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall in September
Hawleyville, CT

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

The month with the highest snowfall is February (4.37").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Hawleyville, CT

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

The month with the highest number of snowfall days is February (9.5 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
Hawleyville, CT

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

The month with the longest days is June (Average daylight: 15.1h).
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: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in September
Hawleyville, CT

Average sunshine days in September - Hawleyville, CT
  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.1 days).

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Average UV index in September
Hawleyville, CT

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

Months with the highest UV index are June, July and August (UV index 6).
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
Hawleyville, CT

Average cloud cover in September - Hawleyville, CT
  • Average cloud cover in September: 36

Months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in September
Hawleyville, CT

Average visibility in September - Hawleyville, CT
  • Average visibility in September: 6mi

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

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