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
The onset of September brings with it an average high-temperature of a warm 83.8°F (28.8°C), showing a negligible variation from the month before. In The Highlands, the average low-temperature during the month of September is an enjoyable 63.9°F (17.7°C).Heat index
For most parts of September, the heat index is appraised at a tropical 91.4°F (33°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.Realize that the values for the heat index are set for shaded places and light winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
In The Highlands, the average relative humidity in September is 74%.Rainfall
The months with the least rainfall are September and October Rain falls for 13.5 days and accumulates 2.4" (61mm) of rain.Snowfall
In The Highlands, Alabama, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:09 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:29 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
What is the driest month?
How much 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 long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
The Highlands, AL
- Average high temperature in September: 83.8°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in September: 63.9°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in September
The Highlands, 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
The Highlands, AL
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
The Highlands, AL
- Average humidity in September: 74%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
The Highlands, AL
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is December (4.17").
The driest months (with the least rainfall) are September and October (2.4").
Average rainfall days in September
The Highlands, AL
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in September
The Highlands, AL
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
The Highlands, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 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
The Highlands, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
The Highlands, AL
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
The Highlands, 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
The Highlands, AL
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
The Highlands, 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).
The Highlands, Alabama, USA
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