September weather forecast and climate
Clayhatchee, AL

Weather in September

The first month of the autumn, September, is still a hot month in Clayhatchee, Alabama, with average temperature varying between 86.9°F (30.5°C) and 69.6°F (20.9°C).

Temperature

In September, the average high-temperature is almost the same as in August - a still hot 86.9°F (30.5°C). The average low-temperature, in September, is 69.6°F (20.9°C).

Heat index

In September, the average heat index is estimated at a torrid 99.3°F (37.4°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, metabolic differences, differences in body mass, height, and shape), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In Clayhatchee, the average relative humidity is 74%.

Rainfall

In Clayhatchee, during September, the rain falls for 16.7 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Clayhatchee, Alabama, during the entire year, the rain falls for 176 days and collects up to 35.31" (897mm) of precipitation.

Snowfall

In Clayhatchee snow does not fall in March through December.

Daylight

The average length of the day in Clayhatchee is 12.3h.

Sunshine

In Clayhatchee, the average sunshine in September is 8.8h.

UV index

The average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Clayhatchee?

The average high-temperature, in September, in Clayhatchee, Alabama, is 86.9°F (30.5°C), while the average low-temperature is 69.6°F (20.9°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), that combines relative humidity and air temperature, is estimated at 99.3°F (37.4°C).

What is the average humidity in September in Clayhatchee?

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

How many days does it rain in September in Clayhatchee?

In Clayhatchee, Alabama, in September, it is raining for 16.7 days, with typically 2.56" (65mm) of accumulated precipitation.

When it does not snow in Clayhatchee?

In Clayhatchee snow does not fall in March through December.

How many hours of daylight does Clayhatchee have in September?

The average length of the day in September in Clayhatchee, Alabama, is 12.3h.

How long on average sun shines in September in Clayhatchee?

In Clayhatchee, the average sunshine in September is 8.8h.

What is the UV index reading in September in Clayhatchee?

In September, the average daily maximum UV index in Clayhatchee is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.

Average temperature in September
Clayhatchee, AL

Average temperature in September - Clayhatchee, AL
  • Average high temperature in September: 86.9°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (58.1°F).

  • Average low temperature in September: 69.6°F

The month with the highest average low temperature is August (73.4°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure in September
Clayhatchee, AL

Average pressure in September - Clayhatchee, AL
  • Average pressure in September: 29.99"

The month with the highest atmospheric pressure is January (30.16").
Months with the lowest atmospheric pressure are June and August (29.98").

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Average wind speed in September
Clayhatchee, AL

Average wind speed in September - Clayhatchee, AL
  • Average wind speed in September: 5.5mph

The windiest months (with the highest average wind speed) are January, February and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
Clayhatchee, AL

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

The month with the highest relative humidity is December (76%).
Months with the lowest relative humidity are May and October (69%).

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Average rainfall in September
Clayhatchee, AL

Average rainfall in September - Clayhatchee, AL
  • Average rainfall in September: 2.56"

The wettest month (with the highest rainfall) is August (5.04").
The driest month (with the least rainfall) is November (1.93").

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Average rainfall days in September
Clayhatchee, AL

Average rainfall days in September - Clayhatchee, AL
  • Average rainfall days in September: 16.7 days

The month with the highest number of rainy days is July (24 days).
The month with the least rainy days is November (7.7 days).

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Average snowfall in September
Clayhatchee, AL

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

The month with the highest snowfall is February (0.12").
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Clayhatchee, AL

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

The month with the highest number of snowfall days is January (0.3 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Clayhatchee, AL
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in September: 8.8h

The month with the most sunshine is June (Average sunshine: 10.9h).
Months with the least sunshine are February and December (Average sunshine: 5.4).

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Average sunshine days in September
Clayhatchee, AL

Average sunshine days in September - Clayhatchee, AL
  • Average sunshine days in September: 10.8 days

The month with the most sunshine days is November (20.8 days).
Months with the least sunshine days are July and August (4.9 days).

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Average UV index in September
Clayhatchee, AL

Average UV index in September - Clayhatchee, AL
  • Average UV index in September: 6

Months with the highest UV index are May, June, July and August (UV index 7).
Months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in September
Clayhatchee, AL

Average cloud cover in September - Clayhatchee, AL
  • Average cloud cover in September: 29

Months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 26).

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Average visibility in September
Clayhatchee, AL

Average visibility in September - Clayhatchee, AL
  • 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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