September weather forecast and climate
Byrd, AL

September, the first month of the autumn, in Byrd, is also a moderately hot month, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 85.1°F (29.5°C).

Temperature

In September, the average high-temperature is essentially the same as in August - a warm 85.1°F (29.5°C). The average low-temperature, in Byrd, Alabama, is 64.9°F (18.3°C).

Heat index

In September, the average heat index is appraised at a tropical 94.1°F (34.5°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 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, metabolic differences, differences in body mass, height, and shape, and pregnancy affect individual temperature impact. 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 September is 73%.

Rainfall

In Byrd, during September, the rain falls for 13.3 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 174.6 rainfall days, and 42.76" (1086mm) of precipitation is accumulated.

Snowfall

In Byrd, Alabama, snow does not fall in April through October.

Daylight

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

Sunshine

The average sunshine in Byrd is 9.2h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.

What is the temperature in September in Byrd?

In Byrd, Alabama, in September, the average high-temperature is 85.1°F (29.5°C), and the average low-temperature is 64.9°F (18.3°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines air temperature and relative humidity, in September is estimated at 94.1°F (34.5°C).

What is the average humidity in September in Byrd?

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

How much does it rain in Byrd in September?

In September, the rain falls for 13.3 days. Throughout September, 2.68" (68mm) of precipitation is accumulated.

When it does not snow in Byrd?

April through October are months without snowfall.

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

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

How long on average sun shines in September in Byrd?

The average sunshine in September in Byrd is 9.2h.

What is the UV index intensity in September in Byrd?

The average daily maximum UV index in September in Byrd, Alabama, is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.
Average temperature in September - Byrd, AL
  • Average high temperature in September: 85.1°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (49.3°F).

  • Average low temperature in September: 64.9°F

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

Average pressure in September - Byrd, 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 - Byrd, AL
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

Average humidity in September - Byrd, 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 - Byrd, AL
  • Average rainfall in September: 2.68"

The wettest month (with the highest rainfall) is February (4.61").
The driest month (with the least rainfall) is November (2.36").

Average rainfall days in September - Byrd, AL
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (10.1 days).

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

The month with the highest snowfall is February (0.51").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is February (2.1 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 - Byrd, 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: 9.2h

Months with the most sunshine are June and July (Average sunshine: 10.4h).
Months with the least sunshine are February and December (Average sunshine: 4.7).

Average sunshine days in September - Byrd, AL
  • Average sunshine days in September: 14.3 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9.3 days).

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

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

Average cloud cover in September - Byrd, AL
  • Average cloud cover in September: 28

Months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 28).

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

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