September weather forecast
Colvin, AL

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Colvin, Alabama, with an average temperature fluctuating between 84°F (28.9°C) and 63.9°F (17.7°C).

Temperature

The commencement of September records an average high-temperature of a moderately hot 84°F (28.9°C), barely varying from August's 89.1°F (31.7°C). Nightly temperatures drop to an average low of 63.9°F (17.7°C) in September.

Heat index

September's heat index is estimated at a hot 91.4°F (33°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Bear in mind that the heat index values are determined for shaded areas and light breezes. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in September in Colvin is 74%.

Rainfall

In September, in Colvin, the rain falls for 12.9 days. Throughout September, 2.36" (60mm) of precipitation is accumulated. In Colvin, during the entire year, the rain falls for 171.3 days and collects up to 37.83" (961mm) of precipitation.

Snowfall

In Colvin, snow does not fall in April through October.

Daylight

In Colvin, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 6:17 am and sunset at 7:08 pm. On the last day of September, in Colvin, Alabama, sunrise is at 6:37 am and sunset at 6:28 pm CDT.

Sunshine

In Colvin, the average sunshine in September is 8.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 5 in September translates into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

How hot is it in Colvin in September?

In September, the average high-temperature and low-temperature in Colvin, Alabama, are 84°F (28.9°C) and 63.9°F (17.7°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 91.4°F (33°C).

What is the average humidity in September in Colvin?

In September, the average relative humidity in Colvin, Alabama, is 74%.

How much does it rain in Colvin in September?

In Colvin, Alabama, in September, it is raining for 12.9 days, with typically 2.36" (60mm) of accumulated precipitation.

When it does not snow in Colvin?

In Colvin, snow does not fall in April through October.

How many hours of daylight does Colvin have in September?

In September, the average day length in Colvin, Alabama, is 12h and 22min.

What time are sunrise and sunset in September in Colvin?

On the first day of September, sunrise is at 6:17 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:28 pm CDT.

How many hours of sunshine does Colvin have in September?

The average sunshine duration in September is 8.6h.

What is the UV index intensity in September in Colvin?

In Colvin, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's 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
Colvin, AL

Average temperature in September - Colvin, AL
  • Average high temperature in September: 84°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in September: 63.9°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).

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Average pressure in September
Colvin, AL

Average pressure in September - Colvin, 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).

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Average wind speed in September
Colvin, AL

Average wind speed in September - Colvin, AL
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

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Average humidity in September
Colvin, AL

Average humidity in September - Colvin, AL
  • Average humidity in September: 74%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Colvin, AL

Average rainfall in September - Colvin, AL
  • Average rainfall in September: 2.36"

The wettest months (with the highest rainfall) are February and December (3.9").
The driest month (with the least rainfall) is October (2.32").

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Average rainfall days in September
Colvin, AL

Average rainfall days in September - Colvin, AL
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is November (8.7 days).

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Average snowfall in September
Colvin, AL

Average snowfall in September - Colvin, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is December (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Colvin, AL

Average snowfall days in September - Colvin, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Colvin, AL

Average daylight in September / Average sunshine in September - Colvin, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in September
Colvin, AL

Average sunshine days in September - Colvin, AL
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (8.8 days).

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Average UV index in September
Colvin, AL

Average UV index in September - Colvin, AL
  • Average UV index in September: 5

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

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Average cloud cover in September
Colvin, AL

Average cloud cover in September - Colvin, AL
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in September
Colvin, AL

Average visibility in September - Colvin, AL
  • Average visibility in September: 6mi

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

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Colvin, Alabama, USA

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