September weather forecastBynum, TX
September
Weather in September
The first month of the autumn, September, is still a tropical month in Bynum, Texas, with an average temperature ranging between min 70.3°F (21.3°C) and max 88°F (31.1°C).Temperature
In Bynum, the average high-temperature in September gently drops from a very hot 95.9°F (35.5°C) in August to a tropical 88°F (31.1°C). Bynum temperatures generally rest at a low of 70.3°F (21.3°C) during the September nights.Heat index
For most parts of September, the heat index is calculated to be a sweltering 96.8°F (36°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.For clarity, heat index numbers account for light winds and areas under shade. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
In September, the average relative humidity in Bynum is 65%.Rainfall
In Bynum, Texas, in September, it is raining for 14.8 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, there are 139.8 rainfall days, and 32.28" (820mm) of precipitation is accumulated.Snowfall
January, April through November are months without snowfall.Daylight
In Bynum, the average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:13 pm CDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In Bynum, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 6 in September transforms into the following instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bynum, TX
- Average high temperature in September: 88°F
The warmest month (with the highest average high temperature) is August (95.9°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in September: 70.3°F
The month with the highest average low temperature is August (75.9°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).
Average pressure in September
Bynum, 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 (29.91"Hg).
Average wind speed in September
Bynum, TX
- Average wind speed in September: 6.9mph
The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest month (with the lowest average wind speed) is September (6.9mph).
Average humidity in September
Bynum, TX
- Average humidity in September: 65%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Bynum, TX
- Average rainfall in September: 2.8"
The wettest month (with the highest rainfall) is October (4.53").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in September
Bynum, TX
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Bynum, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Bynum, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.2 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
Bynum, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Bynum, TX
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is May (13.6 days).
Average UV index in September
Bynum, 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
Bynum, TX
- Average cloud cover in September: 31
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Bynum, 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).





