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
Sierra Blanca's September weather features a light decline in high-temperatures, reducing from a hot 90.3°F (32.4°C) in August to a moderately hot 83.3°F (28.5°C). Sierra Blanca experiences an average nighttime temperature of 65.3°F (18.5°C) in the month of September.Heat index
In September, the average heat index is appraised at 84.2°F (29°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
The months with the highest humidity are September and December, with an average relative humidity of 49%.Rainfall
September is the month with the most rainfall in Sierra Blanca. Rain falls for 12.8 days and accumulates 1.85" (47mm) of precipitation.Snowfall
In Sierra Blanca, snow does not fall in March through September.Daylight
In Sierra Blanca, the average length of the day in September is 12h and 20min.On the first day of September, sunrise is at 6:37 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:47 pm MDT.
Sunshine
In Sierra Blanca, the average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the most humid month?
What is the average humidity in September?
What is the rainiest month?
How many days does it rain in September in Sierra Blanca?
When it does not snow?
Does it snow in September?
How many hours of daylight does Sierra Blanca have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Sierra Blanca have in September?
What is the UV index intensity in September in Sierra Blanca?
Average temperature in September
Sierra Blanca, TX
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is June (92.8°F).
The month with the lowest average high temperature is January (55.6°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Sierra Blanca, TX
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Sierra Blanca, TX
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are August and September (7.1mph).
Average humidity in September
Sierra Blanca, TX
- Average humidity in September: 49%
The months with the highest relative humidity are September and December (49%).
The month with the lowest relative humidity is April (25%).
Average rainfall in September
Sierra Blanca, TX
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is September (1.85").
The driest month (with the least rainfall) is February (0.2").
Average rainfall days in September
Sierra Blanca, TX
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
Sierra Blanca, TX
- Average snowfall in September: 0"
The month with the highest snowfall is November (0.75").
The months with the least snowfall are March, April, May, June, July, August and September (0").
Average snowfall days in September
Sierra Blanca, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (1.4 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
Sierra Blanca, 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 4min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 8h and 0min).
Average sunshine days in September
Sierra Blanca, TX
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is January (26.9 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in September
Sierra Blanca, 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, November and December (UV index 3).
Average cloud cover in September
Sierra Blanca, TX
- Average cloud cover in September: 19
The month with the most cloud cover is September (Cloud cover 19).
The months with the least cloud cover are May and June (Cloud cover 10).
Average visibility in September
Sierra Blanca, 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).
Sierra Blanca, Texas, USA
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