September weather forecastWhite Deer, TX
September
Weather in September
September, the first month of the autumn in White Deer, is also a moderately hot month, with an average temperature ranging between max 83.5°F (28.6°C) and min 63.1°F (17.3°C).Temperature
White Deer records a mild change in average high-temperature during September, easing from a hot 91.9°F (33.3°C) in August to a moderately hot 83.5°F (28.6°C). In the month of September, White Deer experiences an average low-temperature of 63.1°F (17.3°C).Heat index
For most parts of September, the heat index is computed to be a hot 86°F (30°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Consider that heat index readings are for situations in the shade and light wind. 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 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
In White Deer, the average relative humidity in September is 54%.Rainfall
In White Deer, in September, it is raining for 11.3 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, there are 93.1 rainfall days, and 14.09" (358mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:17 am and sunset at 8:11 pm. On the last day of September, in White Deer, sunrise is at 7:39 am and sunset at 7:29 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In White Deer, Texas, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 5 suggests this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
White Deer, TX
- Average high temperature in September: 83.5°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (49.3°F).
- Average low temperature in September: 63.1°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in September
White Deer, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
White Deer, TX
- Average wind speed in September: 11.9mph
The windiest month (with the highest average wind speed) is April (14.5mph).
The calmest month (with the lowest average wind speed) is August (11mph).
Average humidity in September
White Deer, TX
- Average humidity in September: 54%
The month with the highest relative humidity is December (55%).
The months with the lowest relative humidity are March and April (44%).
Average rainfall in September
White Deer, TX
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is July (2.05").
The driest month (with the least rainfall) is February (0.35").
Average rainfall days in September
White Deer, TX
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (13.1 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
White Deer, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.97").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
White Deer, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
White Deer, TX
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
White Deer, TX
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in September
White Deer, TX
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
White Deer, TX
- Average cloud cover in September: 21
The months with the most cloud cover are February, March, April and December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in September
White Deer, 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).





