September weather forecastWhitesboro, TX
September
Weather in September
September, the first month of the autumn in Whitesboro, is still a tropical month, with an average temperature ranging between max 86°F (30°C) and min 68°F (20°C).Temperature
Whitesboro, Texas, records a mild change in average high-temperature during September, easing from 94.6°F (34.8°C) in August to a still hot 86°F (30°C). Whitesboro witnesses a consistent average low-temperature of 68°F (20°C) throughout September.Heat index
September's mean heat index is calculated to be a hot 93.2°F (34°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Understand that the heat index values take into account shaded locations and mild winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In Whitesboro, the average relative humidity in September is 66%.Rainfall
In Whitesboro, in September, it is raining for 8.5 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 77.1 rainfall days, and 7.05" (179mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
In Whitesboro, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:12 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the UV index of 6 transforms into the following advice:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Whitesboro, TX
- Average high temperature in September: 86°F
The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (52.2°F).
- Average low temperature in September: 68°F
The months with the highest average low temperature are July and August (74.3°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).
Average pressure in September
Whitesboro, 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 (29.9"Hg).
Average wind speed in September
Whitesboro, TX
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is September (7mph).
Average humidity in September
Whitesboro, TX
- Average humidity in September: 66%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Whitesboro, TX
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is October (0.98").
The driest months (with the least rainfall) are February and December (0.31").
Average rainfall days in September
Whitesboro, TX
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (9 days).
The month with the least rainy days is January (3 days).
Average snowfall in September
Whitesboro, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Whitesboro, 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 and October (0 days).
Average daylight in September /
Average sunshine in September
Whitesboro, TX
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Whitesboro, TX
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is January (27.1 days).
The months with the least sunshine days are May and September (19.4 days).
Average UV index in September
Whitesboro, 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 2).
Average cloud cover in September
Whitesboro, TX
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Whitesboro, 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).
