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
Entering September, the average high-temperature is recorded at a moderately hot 82.9°F (28.3°C), exhibiting a minimal shift from August's 87.6°F (30.9°C). Throughout September, a steady low-temperature average of 63.7°F (17.6°C) is noted.Heat index
For September, the heat index is calculated to be a tropical 89.6°F (32°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
The average relative humidity in September is 75%.Rainfall
In Hortons Mill, in September, it is raining for 15.5 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, in Hortons Mill, Alabama, there are 180.2 rainfall days, and 42.24" (1073mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Hortons Mill, Alabama, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:19 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:30 pm CDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
How hot does it get in Hortons Mill in September?
What is the average humidity in September in Hortons Mill?
How much does it rain in Hortons Mill in September?
When it does not snow in Hortons Mill?
How many hours of daylight does Hortons Mill have in September?
When are sunrise and sunset in September in Hortons Mill?
How long on average sun shines in September in Hortons Mill?
What is the UV index reading in September in Hortons Mill?
Average temperature in September
Hortons Mill, AL
- Average high temperature in September: 82.9°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (34°F).
Average pressure in September
Hortons Mill, 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
Hortons Mill, AL
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Hortons Mill, 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 (73%).
Average rainfall in September
Hortons Mill, AL
- Average rainfall in September: 2.8"
The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is October (2.4").
Average rainfall days in September
Hortons Mill, AL
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is July (22.2 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in September
Hortons Mill, 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
Hortons Mill, 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 May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Hortons Mill, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Hortons Mill, AL
- Average sunshine days in September: 13.1 days
The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Hortons Mill, 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
Hortons Mill, AL
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 32).
Average visibility in September
Hortons Mill, AL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Hortons Mill, Alabama, USA
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