Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In Cottondale, Alabama, the average high-temperature in September is essentially the same as in August - a still hot 86.4°F (30.2°C). In Cottondale, the average low-temperature is 66.6°F (19.2°C).Heat index
The average heat index in September is calculated to be a very hot 96.8°F (36°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. 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 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, metabolic differences, wind). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 99.5°F (37.5°C) to 100.9°F (38.3°C), thermal conditions are potentially life-threatening.
Humidity
In Cottondale, the average relative humidity in September is 71%.Rainfall
In Cottondale, Alabama, during 13.5 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Cottondale, during the entire year, the rain falls for 169.8 days and collects up to 39.96" (1015mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Cottondale, Alabama, the average length of the day in September is 12h and 22min.On the first day of September in Cottondale, sunrise is at 6:24 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:36 pm CDT.
Sunshine
In Cottondale, the average sunshine in September is 9.2h.UV index
In Cottondale, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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.
FAQ
What is the temperature in September in Cottondale?
What is the average humidity in September in Cottondale?
How many days does it rain in September in Cottondale?
When it does not snow in Cottondale?
What is the average length of the day in September in Cottondale?
What time are sunrise and sunset in September in Cottondale?
How long on average sun shines in September in Cottondale?
What is the UV index reading in September in Cottondale?
Average temperature in September
Cottondale, AL
- Average high temperature in September: 86.4°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (52.2°F).
- Average low temperature in September: 66.6°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).
Average pressure in September
Cottondale, AL
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Cottondale, AL
- Average wind speed in September: 5.1mph
The windiest months (with the highest average wind speed) are March and April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in September
Cottondale, AL
- Average humidity in September: 71%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Cottondale, AL
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is October (2.24").
Average rainfall days in September
Cottondale, AL
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in September
Cottondale, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Cottondale, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The 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
Cottondale, AL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Cottondale, AL
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in September
Cottondale, AL
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Cottondale, AL
- Average cloud cover in September: 28
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in September
Cottondale, 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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