September weather forecast and climate
Stratford, CT

Weather in September

The first month of the autumn, September, is also an agreeable month in Stratford, Connecticut, with temperature in the range of an average high of 72.7°F (22.6°C) and an average low of 61.7°F (16.5°C).

Temperature

In Stratford, the average high-temperature in September marginally drops, from a warm 80.1°F (26.7°C) in August, to a pleasant 72.7°F (22.6°C). In Stratford, the average low-temperature is 61.7°F (16.5°C).

Humidity

In September, the average relative humidity in Stratford is 75%.

Rainfall

The month with the least rainfall is September when the rain falls for 13.3 days and typically collects 2.4" (61mm) of precipitation.

Snowfall

In Stratford, Connecticut, snow does not fall in May through October.

Daylight

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

Sunshine

In Stratford, the average sunshine is 8.9h.

UV index

In Stratford, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. 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 Stratford?

In September, in Stratford, the average high-temperature is 72.7°F (22.6°C), and the average low-temperature is 61.7°F (16.5°C).

What is the average humidity in September in Stratford?

In September, the average relative humidity in Stratford, Connecticut, is 75%.

How much does it rain in Stratford in September?

In Stratford, Connecticut, in September, during 13.3 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

What is the driest month in Stratford?

The month with the least rainfall in Stratford, Connecticut, is September when the rain falls for 13.3 days and typically collects 2.4" (61mm) of precipitation.

When it does not snow in Stratford?

In Stratford snow does not fall in May through October.

How many hours of daylight does Stratford have in September?

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

How many hours of sunshine does Stratford have in September?

The average sunshine in September is 8.9h.

How high is the UV index in September in Stratford?

In Stratford, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in September
Stratford, CT

Average temperature in September - Stratford, CT
  • Average high temperature in September: 72.7°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in September: 61.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure in September
Stratford, CT

Average pressure in September - Stratford, CT
  • Average pressure in September: 30.05"

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
Stratford, CT

Average wind speed in September - Stratford, CT
  • Average wind speed in September: 7.9mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

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Average humidity in September
Stratford, CT

Average humidity in September - Stratford, CT
  • Average humidity in September: 75%

Months with the highest relative humidity are February, May and June (76%).
Months with the lowest relative humidity are April and November (72%).

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Average rainfall in September
Stratford, CT

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

The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is September (2.4").

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Average rainfall days in September
Stratford, CT

Average rainfall days in September - Stratford, CT
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (9.9 days).

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Average snowfall in September
Stratford, CT

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

The month with the highest snowfall is March (2.83").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Stratford, CT

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

The month with the highest number of snowfall days is February (7.5 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
Stratford, CT

Average daylight in September / Average sunshine in September - Stratford, 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: 9.3h).

  • Average sunshine in September: 8.9h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in September
Stratford, CT

Average sunshine days in September - Stratford, CT
  • Average sunshine days in September: 13.7 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11 days).

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Average UV index in September
Stratford, CT

Average UV index in September - Stratford, 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
Stratford, CT

Average cloud cover in September - Stratford, CT
  • Average cloud cover in September: 33

Months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in September
Stratford, CT

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

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

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