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
As August transitions into September, Powell records an average high-temperature of a moderately hot 82.2°F (27.9°C), showing a gentle shift from the preceding month. During September, Powell experiences a consistent low-temperature average of 62.4°F (16.9°C).Heat index
The heat index value for September is calculated to be a hot 87.8°F (31°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
In Powell, the average relative humidity in September is 75%.Rainfall
In Powell, in September, it is raining for 14.7 days, with typically 2.68" (68mm) of accumulated precipitation. In Powell, during the entire year, the rain falls for 184 days and collects up to 43.54" (1106mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Powell, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:17 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:28 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In Powell, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 5 in September translates into this advice:
Take necessary precautions - Defending against sun damage is advocated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September in Powell?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Powell have in September?
How high is the UV index in September?
Average temperature in September
Powell, AL
- Average high temperature in September: 82.2°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 62.4°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in September
Powell, AL
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Powell, AL
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
Powell, AL
- Average humidity in September: 75%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Powell, AL
- Average rainfall in September: 2.68"
The wettest months (with the highest rainfall) are February and December (4.49").
The driest month (with the least rainfall) is October (2.64").
Average rainfall days in September
Powell, AL
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in September
Powell, AL
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Powell, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Powell, AL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Powell, AL
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Powell, AL
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Powell, AL
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in September
Powell, AL
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Powell, Alabama, USA
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