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
The arrival of September corresponds with a shift in temperature, down from a torrid 96.1°F (35.6°C) in August to a hot 87.1°F (30.6°C). Graford records a mean low-temperature of 68.4°F (20.2°C) in September.Heat index
The heat index value for September is calculated to be a tropical 93.2°F (34°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
In September, the average relative humidity in Graford is 62%.Rainfall
In Graford, in September, during 10.4 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, in Graford, Texas, there are 103.7 rainfall days, and 17.8" (452mm) of precipitation is accumulated.Snowfall
March through October are months without snowfall.Daylight
In September, the average length of the day in Graford is 12h and 22min.On the first day of September, sunrise is at 7:08 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:18 pm CDT.
Sunshine
In Graford, the average sunshine in September is 8.6h.UV index
In Graford, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a regular UV index of 6 translates into these guidelines:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Graford in September?
What is the average humidity in September in Graford?
How many days does it rain in September in Graford?
When it does not snow in Graford?
How many hours of daylight does Graford have in September?
What time are sunrise and sunset in September in Graford?
How long on average sun shines in September in Graford?
What is the UV index intensity in September in Graford?
Average temperature in September
Graford, TX
- Average high temperature in September: 87.1°F
The warmest month (with the highest average high temperature) is August (96.1°F).
The month with the lowest average high temperature is January (55.6°F).
- Average low temperature in September: 68.4°F
The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in September
Graford, 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 (29.88"Hg).
Average wind speed in September
Graford, TX
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).
Average humidity in September
Graford, TX
- Average humidity in September: 62%
The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Graford, TX
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are February and December (0.83").
Average rainfall days in September
Graford, TX
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in September
Graford, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Graford, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Graford, TX
- Average daylight in September: 12h and 2min
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: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in September
Graford, TX
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is January (25.9 days).
The month with the least sunshine days is May (15.1 days).
Average UV index in September
Graford, 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
Graford, TX
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Graford, 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).
Graford, Texas, USA
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