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
As Alpine enters September, the average high-temperature subtly lowers from the a hot 88°F (31.1°C) of August to a warm 81.1°F (27.3°C). Alpine's average low-temperature for the month of September records at a comfortable 63.3°F (17.4°C).Heat index
September's average heat index is computed to be 82.4°F (28°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
The most humid month in Alpine is September, with an average relative humidity of 56%.Rainfall
The month with the most rainfall is September, when the rain falls for 14 days and typically aggregates up to 2.01" (51mm) of precipitation.Snowfall
April through September are months without snowfall in Alpine.Daylight
The average length of the day in September in Alpine is 12h and 20min.On the first day of September, sunrise is at 7:31 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 7:40 pm CDT.
Sunshine
The average sunshine in September in Alpine is 9.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 6 in September translates into this advice:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the usual temperature for Alpine in September?
What is the most humid month in Alpine?
What is the average humidity in September in Alpine?
What is the wettest month in Alpine?
How many days does it rain in September in Alpine?
When it does not snow in Alpine?
Does it snow in Alpine in September?
How many hours of daylight does Alpine have in September?
When are sunrise and sunset in September in Alpine?
How long on average sun shines in September in Alpine?
What is the UV index reading in September in Alpine?
Average temperature in September
Alpine, TX
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is June (90°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in September: 63.3°F
The months with the highest average low temperature are July and August (69.4°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).
Average pressure in September
Alpine, TX
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.84"Hg).
Average wind speed in September
Alpine, TX
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).
Average humidity in September
Alpine, TX
- Average humidity in September: 56%
The month with the highest relative humidity is September (56%).
The month with the lowest relative humidity is April (29%).
Average rainfall in September
Alpine, TX
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is September (2.01").
The driest month (with the least rainfall) is February (0.2").
Average rainfall days in September
Alpine, TX
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in September
Alpine, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Alpine, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (1.6 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alpine, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 42min).
Average sunshine days in September
Alpine, TX
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is January (26.8 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in September
Alpine, TX
- Average UV index in September: 6
The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Alpine, TX
- Average cloud cover in September: 22
The month with the most cloud cover is September (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility in September
Alpine, TX
- 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).
Alpine, Texas, USA
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