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
Cottonwood ushers in September with an average high-temperature of a still hot 86.9°F (30.5°C), showing a close resemblance to the previous month. Throughout the month of September, Cottonwood observes an average nighttime temperature of 69.8°F (21°C).Heat index
Throughout September, the heat index is computed to be a sweltering 100.4°F (38°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.
Humidity
In September, the average relative humidity is 75%.Rainfall
In Cottonwood, in September, during 14.6 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Cottonwood, during the entire year, the rain falls for 156.9 days and collects up to 27.52" (699mm) of precipitation.Snowfall
In Cottonwood, snow does not fall in February through December.Daylight
In September, the average length of the day is 12h and 20min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:04 pm. On the last day of September, sunrise is at 6:34 am and sunset at 6:27 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
The average daily maximum UV index in September in Cottonwood is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 6 during September leads to these instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Cottonwood have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Cottonwood have in September?
What is the UV index reading in September?
Average temperature in September
Cottonwood, AL
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (59.2°F).
- Average low temperature in September: 69.8°F
The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure in September
Cottonwood, AL
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in September
Cottonwood, AL
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Cottonwood, AL
- Average humidity in September: 75%
The months with the highest relative humidity are August and December (76%).
The months with the lowest relative humidity are May and October (70%).
Average rainfall in September
Cottonwood, AL
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is November (1.26").
Average rainfall days in September
Cottonwood, AL
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is November (7.2 days).
Average snowfall in September
Cottonwood, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Cottonwood, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Cottonwood, AL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is May (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in September
Cottonwood, AL
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is August (6.9 days).
Average UV index in September
Cottonwood, AL
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Cottonwood, AL
- Average cloud cover in September: 30
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are May and October (Cloud cover 27).
Average visibility in September
Cottonwood, 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).
Cottonwood, Alabama, USA
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