September weather forecastRoans Prairie, TX
September
Weather in September
September, the first month of the autumn in Roans Prairie, is still a hot month, with an average temperature varying between 70°F (21.1°C) and 88.9°F (31.6°C).Temperature
With the commencement of September, Roans Prairie records a moderate temperature decline, with the average high easing from August's fiery hot 95.5°F (35.3°C) to a tropical 88.9°F (31.6°C). During the month of September, the nighttime temperature falls to an average of 70°F (21.1°C).Heat index
Throughout September, the heat index is calculated to be a blistering 104°F (40°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.For clarity, heat index numbers account for light winds and areas under shade. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
In September, the average relative humidity is 73%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 1.26" (32mm) of precipitation is accumulated. Throughout the year, in Roans Prairie, there are 133.8 rainfall days, and 21.26" (540mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
The average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 7:00 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:09 pm CDT.
Sunshine
In Roans Prairie, the average sunshine in September is 8.5h.UV index
In Roans Prairie, 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 maximum high UV index of 6 in September translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun 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
Average temperature in September
Roans Prairie, TX
- Average high temperature in September: 88.9°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 (58.3°F).
- Average low temperature in September: 70°F
The months with the highest average low temperature are July and August (73.9°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).
Average pressure in September
Roans Prairie, 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 (29.93"Hg).
Average wind speed in September
Roans Prairie, TX
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest month (with the lowest average wind speed) is September (5.5mph).
Average humidity in September
Roans Prairie, TX
- Average humidity in September: 73%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Roans Prairie, TX
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is May (3.23").
The driest months (with the least rainfall) are February and July (1.22").
Average rainfall days in September
Roans Prairie, TX
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in September
Roans Prairie, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Roans Prairie, TX
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January, February and December (0.3 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
Roans Prairie, TX
- Average daylight in September: 12h and 18min
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: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Roans Prairie, TX
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in September
Roans Prairie, TX
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Roans Prairie, TX
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Roans Prairie, TX
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, August, September, October, November and December (6mi).
The months with the lowest visibility are April, May, June and July (5mi).
