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 a small shift in high-temperatures, falling from a hot 87.4°F (30.8°C) in August to a warm 81.9°F (27.7°C). In the month of September, the average temperature in Alpine dips to a comfortable 61.7°F (16.5°C) during the night.Heat index
The heat index value for September is evaluated at a tropical 87.8°F (31°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
The average relative humidity in September is 76%.Rainfall
In Alpine, during September, the rain falls for 12.5 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, in Alpine, there are 157 rainfall days, and 20" (508mm) of precipitation is accumulated.Snowfall
In Alpine, Georgia, snow does not fall in April through October.Daylight
In Alpine, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:15 am and sunset at 8:07 pm. On the last day of September, in Alpine, sunrise is at 7:36 am and sunset at 7:27 pm EDT.
Sunshine
In Alpine, Georgia, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Alpine?
What is the average humidity in September in Alpine?
How much does it rain in Alpine in September?
When it does not snow in Alpine?
How many hours of daylight does Alpine have in September?
When is the sunrise / sunset in September in Alpine?
How many hours of sunshine does Alpine have in September?
What is the UV index reading in September in Alpine?
Average temperature in September
Alpine, GA
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (47.7°F).
- Average low temperature in September: 61.7°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 (32.4°F).
Average pressure in September
Alpine, GA
- 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
Alpine, GA
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Alpine, GA
- Average humidity in September: 76%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Alpine, GA
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is August (2.56").
The driest month (with the least rainfall) is October (1.06").
Average rainfall days in September
Alpine, GA
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in September
Alpine, GA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Alpine, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Alpine, GA
- 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 months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in September
Alpine, GA
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in September
Alpine, GA
- 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
Alpine, GA
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in September
Alpine, GA
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, June, October and November (6mi).
The months with the lowest visibility are January, May, July, August, September and December (5mi).
Alpine, Georgia, USA
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