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 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
As August transitions into September, Bradley records an average high-temperature of a still tropical 87.3°F (30.7°C), showing a gentle shift from the preceding month. Bradley, during the month of September, experiences an average low-temperature of 71.4°F (21.9°C).Heat index
The heat index in September is estimated at a fiery hot 100.4°F (38°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Note that heat index values are valued for light wind and location in the shade. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
In Bradley, the average relative humidity in September is 73%.Rainfall
In September, the rain falls for 17.5 days. Throughout September, 2.6" (66mm) of precipitation is accumulated. In Bradley, during the entire year, the rain falls for 171.8 days and collects up to 34.92" (887mm) of precipitation.Snowfall
March through November are months without snowfall.Daylight
The average length of the day in September in Bradley is 12h and 20min.On the first day of September, sunrise is at 6:23 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:32 pm CDT.
Sunshine
In Bradley, Alabama, the average sunshine in September is 9.3h.UV index
In Bradley, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September in Bradley?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Bradley, AL
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is January (59.2°F).
- Average low temperature in September: 71.4°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).
Average pressure in September
Bradley, AL
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in September
Bradley, AL
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is March (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Bradley, AL
- Average humidity in September: 73%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Bradley, AL
- Average rainfall in September: 2.6"
The wettest month (with the highest rainfall) is August (4.72").
The driest month (with the least rainfall) is November (1.89").
Average rainfall days in September
Bradley, AL
- Average rainfall days in September: 17.5 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is November (7.3 days).
Average snowfall days in September
Bradley, 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 and November (0 days).
Average daylight in September /
Average sunshine in September
Bradley, 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: 9h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The months with the least sunshine are February and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Bradley, AL
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is August (5.6 days).
Average UV index in September
Bradley, 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
Bradley, AL
- Average cloud cover in September: 27
The months with the most cloud cover are February and December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in September
Bradley, 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).
Bradley, Alabama, USA
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