September weather forecast
Woodstock, CT

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Weather in September

The first month of the autumn, September, is also an agreeable month in Woodstock, Connecticut, with an average temperature fluctuating between 72.3°F (22.4°C) and 55.4°F (13°C).

Temperature

September's arrival aligns with a minor decrease in average high-temperatures, from August's warm 79.7°F (26.5°C) to an agreeable 72.3°F (22.4°C). During the nights in September, Woodstock experiences a consistent average temperature of 55.4°F (13°C).

Humidity

February, June, July, September and October, with an average relative humidity of 79%, are the most humid months.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.6 days and typically collects 1.81" (46mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 6:14 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:30 pm EDT.

Sunshine

In Woodstock, the average sunshine in September is 8.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Take precautions - Protection against sunburn is recommended. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Woodstock?

The average high-temperature, in September, in Woodstock, is 72.3°F (22.4°C), while the average low-temperature is 55.4°F (13°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 86°F (30°C).

What are the most humid months?

February, June, July, September and October, with an average relative humidity of 79%, are most humid months.

What is the average humidity in September?

The average relative humidity in September is 79%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 1.81" (46mm) of precipitation.

How many days does it rain in September?

In September, the rain falls for 13.6 days. Throughout September, 1.81" (46mm) of precipitation is accumulated.

When it does not snow?

June through October are months without snowfall in Woodstock.

How many hours of daylight does Woodstock have in September?

The average day length in September is 12h and 28min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:14 am and sunset at 7:21 pm. On the last day of the month, in Woodstock, sunrise is at 6:44 am and sunset at 6:30 pm EDT.

How long on average sun shines in September in Woodstock?

In September, the average sunshine duration is 8.4h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
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
Woodstock, CT

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

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in September: 55.4°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in September
Woodstock, CT

Average pressure in September - Woodstock, CT
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Woodstock, CT

Average wind speed in September - Woodstock, CT
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

Average humidity in September
Woodstock, CT

Average humidity in September - Woodstock, CT
  • Average humidity in September: 79%

The months with the highest relative humidity are February, June, July, September and October (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in September
Woodstock, CT

Average rainfall in September - Woodstock, CT
  • Average rainfall in September: 1.81"

The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days in September
Woodstock, CT

Average rainfall days in September - Woodstock, CT
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in September
Woodstock, CT

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

The month with the highest snowfall is March (3.7").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in September
Woodstock, CT

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

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Woodstock, CT

Average daylight in September / Average sunshine in September - Woodstock, 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: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Woodstock, CT

Average sunshine days in September - Woodstock, CT
  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.6 days).

Average UV index in September
Woodstock, CT

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Woodstock, CT

Average cloud cover in September - Woodstock, CT
  • Average cloud cover in September: 38

The 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).

Average visibility in September
Woodstock, CT

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

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

Woodstock, Connecticut, USA

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