September weather forecast
West Hartland, CT

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Weather in September

September, the first month of the autumn in West Hartland, is also an agreeable month, with temperature in the range of an average low of 52.9°F (11.6°C) and an average high of 72.3°F (22.4°C).

Temperature

The arrival of September corresponds with a light shift in temperature, down from a warm 79.7°F (26.5°C) in August to a pleasant 72.3°F (22.4°C). September nights in West Hartland are marked by an average low-temperature of 52.9°F (11.6°C).

Humidity

The average relative humidity in September in West Hartland is 79%.

Rainfall

The month with the least rainfall in West Hartland is September, when the rain falls for 13.5 days and typically collects 2.17" (55mm) of precipitation.

Snowfall

In West Hartland, snow does not fall in June through September.

Daylight

In West Hartland, Connecticut, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:18 am and sunset at 7:25 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:34 pm EDT.

Sunshine

The average sunshine in September in West Hartland, Connecticut, is 8.3h.

UV index

In West Hartland, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the temperature in September in West Hartland?

The average high-temperature, in September, in West Hartland, is 72.3°F (22.4°C), while the average low-temperature is 52.9°F (11.6°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in July is computed to be 86°F (30°C).

What is the average humidity in September in West Hartland?

In West Hartland, Connecticut, the average relative humidity in September is 79%.

What is the driest month in West Hartland?

September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 2.17" (55mm) of precipitation.

How much does it rain in West Hartland in September?

In September, in West Hartland, the rain falls for 13.5 days. Throughout September, 2.17" (55mm) of precipitation is accumulated.

When it does not snow in West Hartland?

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

Does it snow in West Hartland in September?

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

How many hours of daylight does West Hartland have in September?

The average day length in September in West Hartland, Connecticut, is 12h and 28min.

When is the sunrise / sunset in September in West Hartland?

In September, on the first day of the month, sunrise is at 6:18 am and sunset at 7:25 pm. On the last day of the month, in West Hartland, sunrise is at 6:48 am and sunset at 6:34 pm EDT.

How long on average sun shines in September in West Hartland?

The average sunshine duration in September in West Hartland, Connecticut, is 8.3h.

What is the UV index intensity in September in West Hartland?

In September, the average daily maximum UV index in West Hartland is 4. A UV Index reading of 3 to 5 represents a medium health risk from 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
West Hartland, CT

Average temperature in September - West Hartland, CT
  • Average high temperature in September: 72.3°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in September: 52.9°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 (18.3°F).

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Average pressure in September
West Hartland, CT

Average pressure in September - West Hartland, 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
West Hartland, CT

Average wind speed in September - West Hartland, CT
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in September
West Hartland, CT

Average humidity in September - West Hartland, 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 (73%).

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Average rainfall in September
West Hartland, CT

Average rainfall in September - West Hartland, CT
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (2.17").

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Average rainfall days in September
West Hartland, CT

Average rainfall days in September - West Hartland, CT
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in September
West Hartland, CT

Average snowfall in September - West Hartland, CT
  • Average snowfall in September: 0"

The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
West Hartland, CT

Average snowfall days in September - West Hartland, CT
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (9.8 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
West Hartland, CT

Average daylight in September / Average sunshine in September - West Hartland, 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 months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in September
West Hartland, CT

Average sunshine days in September - West Hartland, CT
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is January (16.6 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index in September
West Hartland, CT

Average UV index in September - West Hartland, 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
West Hartland, CT

Average cloud cover in September - West Hartland, CT
  • Average cloud cover in September: 41

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in September
West Hartland, CT

Average visibility in September - West Hartland, CT
  • Average visibility in September: 5mi

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

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West Hartland, Connecticut, USA

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