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
In September, the meteorological conditions change slightly, with the average high-temperature moving from a hot 86.4°F (30.2°C) in August to a moderately hot 81°F (27.2°C). In the month of September, Henagar records a consistent average low-temperature of 61.3°F (16.3°C).Heat index
During September, the heat index is computed to be a tropical 86°F (30°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. 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 of high significance for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
The average relative humidity in September in Henagar is 77%.Rainfall
In Henagar, during September, the rain falls for 15.4 days and regularly aggregates up to 3.11" (79mm) of precipitation. Throughout the year, there are 191.1 rainfall days, and 48.94" (1243mm) of precipitation is accumulated.Snowfall
In Henagar, Alabama, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:09 pm. On the last day of September, sunrise is at 6:37 am and sunset at 6:28 pm CDT.
Sunshine
The average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: An average UV index of 5 in September transforms into this advice:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What is the average September temperature in Henagar?
What is the average humidity in September in Henagar?
How many days does it rain in September in Henagar?
When it does not snow in Henagar?
How many hours of daylight does Henagar have in September?
When are sunrise and sunset in September in Henagar?
How long on average sun shines in September in Henagar?
What is the UV index intensity in September in Henagar?
Average temperature in September
Henagar, AL
- Average high temperature in September: 81°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (46.8°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in September
Henagar, AL
- Average pressure in September: 30.03"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
Henagar, AL
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
Henagar, AL
- Average humidity in September: 77%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Henagar, AL
- Average rainfall in September: 3.11"
The wettest month (with the highest rainfall) is July (5.24").
The driest month (with the least rainfall) is November (2.76").
Average rainfall days in September
Henagar, AL
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is July (22.4 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in September
Henagar, AL
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Henagar, AL
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Henagar, 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 36min).
Average sunshine days in September
Henagar, AL
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is July (7 days).
Average UV index in September
Henagar, 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
Henagar, 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
Henagar, AL
- Average visibility in September: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Henagar, Alabama, USA
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