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
A modest decline in the average high-temperature is seen during September, decreasing from a tropical 86.5°F (30.3°C) in August to a warm 81°F (27.2°C). Skyline experiences an average low-temperature of 61.9°F (16.6°C) in the month of September.Heat index
September's average heat index is estimated at a hot 86°F (30°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.For clarity, heat index numbers account for light winds and areas under shade. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
The average relative humidity in September is 77%.Rainfall
In Skyline, in September, it is raining for 13.4 days, with typically 2.64" (67mm) of accumulated precipitation. In Skyline, during the entire year, the rain falls for 178.6 days and collects up to 43.11" (1095mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Skyline, Alabama, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:10 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:29 pm CDT.
Sunshine
In Skyline, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 in September translates into these instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in Skyline 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 Skyline have in September?
What is the UV index intensity in September?
Average temperature in September
Skyline, AL
- Average high temperature in September: 81°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in September: 61.9°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in September
Skyline, 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
Skyline, AL
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
Skyline, 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
Skyline, AL
- Average rainfall in September: 2.64"
The wettest month (with the highest rainfall) is December (4.45").
The driest months (with the least rainfall) are October and November (2.44").
Average rainfall days in September
Skyline, AL
- Average rainfall days in September: 13.4 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 days).
Average snowfall in September
Skyline, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Skyline, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2 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
Skyline, AL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
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
Skyline, AL
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in September
Skyline, 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
Skyline, AL
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and September (Cloud cover 32).
Average visibility in September
Skyline, AL
- Average visibility in September: 6mi
The months with the highest visibility are March, April, June, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August and December (5mi).
Skyline, Alabama, USA
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