September weather forecast and climate
Atwood, AL

The first month of the autumn, September, is also a moderately hot month in Atwood, Alabama, with average temperature ranging between max 84°F (28.9°C) and min 64°F (17.8°C).

Temperature

In September, the average high-temperature is relatively the same as in August - a moderately hot 84°F (28.9°C). In Atwood, the average low-temperature is 64°F (17.8°C).

Heat index

In September, the average heat index is evaluated at a tropical 91.6°F (33.1°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
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 'real feel', 'apparent temperature', 'felt air temperature', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, wind, clothing). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index 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.

Humidity

The average relative humidity in Atwood is 73%.

Rainfall

In Atwood, during September, the rain falls for 13.1 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Atwood, Alabama, during the entire year, the rain falls for 170.7 days and collects up to 40.24" (1022mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in Atwood is 12.4h.

Sunshine

The average sunshine in Atwood is 9h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Atwood?

The average high-temperature, in September, in Atwood, is 84°F (28.9°C), while the average low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), that combines both air temperature and relative humidity, in September is evaluated at 91.6°F (33.1°C).

What is the average humidity in September in Atwood?

In Atwood, Alabama, the average relative humidity in September is 73%.

How much does it rain in Atwood in September?

In Atwood, in September, it is raining for 13.1 days, with typically 2.56" (65mm) of accumulated precipitation.

When it does not snow in Atwood?

In Atwood snow does not fall in April through October.

What is the average length of the day in September in Atwood?

In September, the average length of the day in Atwood, Alabama, is 12.4h.

How long on average sun shines in September in Atwood?

The average sunshine in September is 9h.

How high is the UV index in September in Atwood?

The average daily maximum UV index in September in Atwood, Alabama, is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Atwood, 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 (48.6°F).

  • Average low temperature in September: 64°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).

Average pressure in September - Atwood, AL
  • Average pressure in September: 30.01"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.97").

Average wind speed in September - Atwood, AL
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

Average humidity in September - Atwood, AL
  • Average humidity in September: 73%

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

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

The wettest month (with the highest rainfall) is February (4.41").
The driest month (with the least rainfall) is November (2.28").

Average rainfall days in September - Atwood, AL
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.4 days).

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

Months with the highest snowfall are January and February (0.55").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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

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

Average daylight in September / Average sunshine in September - Atwood, AL
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 9h

The month with the most sunshine is June (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average sunshine days in September - Atwood, AL
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (10.2 days).

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

Months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September - Atwood, AL
  • Average cloud cover in September: 30

Months with the most cloud cover are February and December (Cloud cover 50).
Months with the least cloud cover are June and September (Cloud cover 30).

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

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