September weather forecastWinnsboro, TX
September
Weather in September
September, the first month of the autumn in Winnsboro, is still a hot month, with an average temperature ranging between max 87.3°F (30.7°C) and min 67.1°F (19.5°C).Temperature
Winnsboro's September weather shows a modest shift in high-temperatures, falling from August's 93.9°F (34.4°C) to a still tropical 87.3°F (30.7°C). Winnsboro observes an average nighttime temperature of 67.1°F (19.5°C) during September.Heat index
The heat index value for September is calculated to be a fiery hot 98.6°F (37°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Factoring in the heat index, values are geared towards shaded areas with light breezes. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.
Humidity
In Winnsboro, Texas, the average relative humidity in September is 69%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.4 days and typically collects 0.43" (11mm) of precipitation.Snowfall
March through November are months without snowfall.Daylight
In Winnsboro, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:56 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:06 pm CDT.
Sunshine
The average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Winnsboro, TX
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is August (93.9°F).
The month with the lowest average high temperature is January (53.6°F).
- Average low temperature in September: 67.1°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37.8°F).
Average pressure in September
Winnsboro, TX
- Average pressure in September: 29.98"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
Winnsboro, TX
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are February, March and April (8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Winnsboro, TX
- Average humidity in September: 69%
The months with the highest relative humidity are February, March and May (78%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Winnsboro, TX
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is October (1.22").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in September
Winnsboro, TX
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (9.8 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in September
Winnsboro, TX
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Winnsboro, 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 and October (0 days).
Average daylight in September /
Average sunshine in September
Winnsboro, TX
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Winnsboro, TX
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is September (18.4 days).
Average UV index in September
Winnsboro, 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, February, November and December (UV index 3).
Average cloud cover in September
Winnsboro, TX
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Winnsboro, 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).
