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
September signifies a minor drop in average high-temperature, transitioning from a sweltering 95.5°F (35.3°C) in August to a hot 88.3°F (31.3°C). Throughout September, the average low-temperature dips to an agreeable 69.4°F (20.8°C).Heat index
In September, the average heat index is evaluated at a torrid 100.4°F (38°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.Heat index determinations are made taking into account the shade and light air movements. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. 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 are highly important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
The average relative humidity in September in Horn Hill is 69%.Rainfall
In September, in Horn Hill, the rain falls for 14.9 days. Throughout September, 2.72" (69mm) of precipitation is accumulated. Throughout the year, in Horn Hill, there are 150.9 rainfall days, and 32.99" (838mm) of precipitation is accumulated.Snowfall
April through December are months without snowfall.Daylight
In Horn Hill, the average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:12 pm CDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
The average daily maximum UV index in September 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 average individuals.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September in Horn Hill?
How many hours of sunshine does Horn Hill have in September?
How high is the UV index in September?
Average temperature in September
Horn Hill, TX
- Average high temperature in September: 88.3°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in September: 69.4°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).
Average pressure in September
Horn Hill, TX
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Horn Hill, TX
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is September (6.5mph).
Average humidity in September
Horn Hill, TX
- Average humidity in September: 69%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Horn Hill, TX
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is October (3.94").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in September
Horn Hill, TX
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Horn Hill, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Horn Hill, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Horn Hill, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Horn Hill, TX
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in September
Horn Hill, TX
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Horn Hill, TX
- Average cloud cover in September: 33
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Horn Hill, 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).
Horn Hill, Texas, USA
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