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
In September, Old River-Winfree experiences a minor shift in meteorological conditions with average high-temperatures marked at a still hot 87.3°F (30.7°C), closely mirroring the climate in August. During September, Old River-Winfree records a consistent average nighttime temperature of 73°F (22.8°C).Heat index
September's heat index is computed to be a torrid 102.2°F (39°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.
Humidity
In September, the average relative humidity in Old River-Winfree is 76%.Rainfall
The month with the most rainfall in Old River-Winfree is September, when the rain falls for 19.9 days and typically aggregates up to 5.16" (131mm) of precipitation.Snowfall
February through November are months without snowfall in Old River-Winfree.Daylight
The average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:41 pm. On the last day of September, in Old River-Winfree, sunrise is at 7:12 am and sunset at 7:05 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 during September translates into the following directions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
Is it hot in Old River-Winfree during September?
What is the average humidity in September in Old River-Winfree?
What is the rainiest month in Old River-Winfree?
How much does it rain in Old River-Winfree in September?
When it does not snow in Old River-Winfree?
What is the average length of the day in September in Old River-Winfree?
When is the sunrise / sunset in September in Old River-Winfree?
How long on average sun shines in September in Old River-Winfree?
What is the UV index reading in September in Old River-Winfree?
Average temperature in September
Old River-Winfree, TX
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is August (92.5°F).
The month with the lowest average high temperature is January (60.1°F).
- Average low temperature in September: 73°F
The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is January (46°F).
Average pressure in September
Old River-Winfree, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Old River-Winfree, TX
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).
Average humidity in September
Old River-Winfree, TX
- Average humidity in September: 76%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Old River-Winfree, TX
- Average rainfall in September: 5.16"
The wettest month (with the highest rainfall) is September (5.16").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in September
Old River-Winfree, TX
- Average rainfall days in September: 19.9 days
The month with the highest number of rainy days is August (20.1 days).
The month with the least rainy days is January (11.3 days).
Average snowfall in September
Old River-Winfree, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Old River-Winfree, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Old River-Winfree, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Old River-Winfree, TX
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is September (8.5 days).
Average UV index in September
Old River-Winfree, TX
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Old River-Winfree, TX
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July, August and October (Cloud cover 27).
Average visibility in September
Old River-Winfree, 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).
Old River-Winfree, Texas, USA
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