September weather forecast
New Canaan, AL

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Weather in September

September, the first month of the autumn in New Canaan, is also a moderately hot month, with an average temperature fluctuating between 83.1°F (28.4°C) and 63.1°F (17.3°C).

Temperature

As New Canaan steps into September, the average high-temperature holds at a warm 83.1°F (28.4°C), hinting at a minor fluctuation from the prior month. The nighttime temperature, during September, averages of 63.1°F (17.3°C).

Heat index

September's mean heat index is appraised at a hot 89.6°F (32°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

In September, the average relative humidity is 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 2.32" (59mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In New Canaan, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:19 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:40 am and sunset at 6:31 pm CDT.

Sunshine

In New Canaan, the average sunshine in September is 8.6h.

UV index

In New Canaan, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the UV index of 5 transforms into the following advice:
Heed the precautions - It is counselled to guard against solar damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

The average high-temperature and low-temperature during September are 83.1°F (28.4°C) and 63.1°F (17.3°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is appraised at 89.6°F (32°C).

What is the average humidity in September?

The average relative humidity in September is 75%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 2.32" (59mm) of precipitation.

How much does it rain in September?

In September, the rain falls for 13.6 days. Throughout September, 2.32" (59mm) of precipitation is accumulated.

When it does not snow?

In New Canaan, snow does not fall in April through October.

How many hours of daylight does New Canaan have in September?

In September, the average day length is 12h and 23min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:19 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:31 pm CDT.

How long on average sun shines in September?

In New Canaan, the average sunshine duration in September is 8.6h.

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index estimate 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
New Canaan, AL

Average temperature in September - New Canaan, AL
  • Average high temperature in September: 83.1°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (48.4°F).

  • Average low temperature in September: 63.1°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 (33.4°F).

Average pressure in September
New Canaan, AL

Average pressure in September - New Canaan, AL
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in September
New Canaan, AL

Average wind speed in September - New Canaan, AL
  • Average wind speed in September: 4.9mph

The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in September
New Canaan, AL

Average humidity in September - New Canaan, AL
  • Average humidity in September: 75%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).

Average rainfall in September
New Canaan, AL

Average rainfall in September - New Canaan, AL
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (2.32").

Average rainfall days in September
New Canaan, AL

Average rainfall days in September - New Canaan, AL
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (9.5 days).

Average snowfall in September
New Canaan, AL

Average snowfall in September - New Canaan, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
New Canaan, AL

Average snowfall days in September - New Canaan, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
New Canaan, AL

Average daylight in September / Average sunshine in September - New Canaan, AL
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September
New Canaan, AL

Average sunshine days in September - New Canaan, AL
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (9.6 days).

Average UV index in September
New Canaan, AL

Average UV index in September - New Canaan, AL
  • Average UV index in September: 5

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

Average cloud cover in September
New Canaan, AL

Average cloud cover in September - New Canaan, AL
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 31).

Average visibility in September
New Canaan, AL

Average visibility in September - New Canaan, AL
  • Average visibility in September: 6mi

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

New Canaan, Alabama, USA

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