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
Webb, Alabama, marks the onset of September with an average high-temperature of a still tropical 86.9°F (30.5°C), subtly divergent from August's 90.1°F (32.3°C). During September, the nighttime temperature averages of 69.6°F (20.9°C).Heat index
In September, the average heat index is evaluated at a very hot 98.6°F (37°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
The average relative humidity in September in Webb is 74%.Rainfall
In Webb, in September, during 15.7 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 161.4 rainfall days, and 28.43" (722mm) of precipitation is accumulated.Snowfall
In Webb, Alabama, 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 September, sunrise is at 6:17 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 6:27 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Shield from overexposure. Defense against sun-related harm is required. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Webb in September?
What is the average humidity in September in Webb?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Webb have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Webb have in September?
What is the UV index intensity in September?
Average temperature in September
Webb, AL
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (59°F).
- Average low temperature in September: 69.6°F
The month with the highest average low temperature is August (73.8°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).
Average pressure in September
Webb, 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
Webb, AL
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Webb, AL
- Average humidity in September: 74%
The months with the highest relative humidity are August and December (76%).
The months with the lowest relative humidity are May and October (69%).
Average rainfall in September
Webb, AL
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is August (4.25").
The driest month (with the least rainfall) is November (1.38").
Average rainfall days in September
Webb, AL
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in September
Webb, 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
Webb, 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
Webb, 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 months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Webb, AL
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is August (6.6 days).
Average UV index in September
Webb, 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
Webb, AL
- Average cloud cover in September: 29
The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 26).
Average visibility in September
Webb, 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).
Webb, Alabama, USA
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