September weather forecastPoynor, TX
September
Weather in September
September, the first month of the autumn in Poynor, is still a tropical month, with an average temperature fluctuating between 67.8°F (19.9°C) and 88.5°F (31.4°C).Temperature
A moderate decline in average high-temperatures is noted in September, moving from a very hot 95.2°F (35.1°C) in August to a tropical 88.5°F (31.4°C). The average low-temperature of 67.8°F (19.9°C) is witnessed during September.Heat index
The heat index value for September is appraised at a sweltering 100.4°F (38°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
In September, the average relative humidity is 69%.Rainfall
In Poynor, Texas, during September, the rain falls for 15 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 147.8 rainfall days, and 30.98" (787mm) of precipitation is accumulated.Snowfall
April through December are months without snowfall in Poynor.Daylight
In Poynor, Texas, the average length of the day in September is 12h and 21min.On the first day of September in Poynor, sunrise is at 6:58 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:08 pm CDT.
Sunshine
In Poynor, the average sunshine in September is 8.8h.UV index
In Poynor, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 6 turns into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Poynor, TX
- Average high temperature in September: 88.5°F
The warmest month (with the highest average high temperature) is August (95.2°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in September: 67.8°F
The month with the highest average low temperature is August (73.6°F).
The coldest month (with the lowest average low temperature) is January (39°F).
Average pressure in September
Poynor, TX
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Poynor, TX
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest month (with the lowest average wind speed) is September (5.5mph).
Average humidity in September
Poynor, TX
- Average humidity in September: 69%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Poynor, TX
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is October (3.78").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in September
Poynor, TX
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is September (15 days).
The month with the least rainy days is January (9 days).
Average snowfall in September
Poynor, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Poynor, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 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
Poynor, TX
- Average daylight in September: 12h and 24min
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 48min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Poynor, TX
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is September (13.2 days).
Average UV index in September
Poynor, 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, November and December (UV index 3).
Average cloud cover in September
Poynor, TX
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Poynor, TX
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
