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
Shortall records a mild change in average high-temperature during September, easing from a hot 94.6°F (34.8°C) in August to a still tropical 87.1°F (30.6°C). Shortall records an average low-temperature of 69.3°F (20.7°C) throughout the month of September.Heat index
The heat index in September is computed to be a torrid 95°F (35°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. 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. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
In Shortall, the average relative humidity in September is 65%.Rainfall
In Shortall, during September, the rain falls for 13.7 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 128.9 rainfall days, and 24.02" (610mm) of precipitation is accumulated.Snowfall
In Shortall, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 7:08 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:18 pm CDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In Shortall, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the UV index of 6 transforms into the following advice:
Shield from overexposure. Defense against sun-related harm is required. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Shortall have in September?
When are sunrise and sunset in September?
How long on average sun shines in September in Shortall?
What is the UV index reading in September?
Average temperature in September
Shortall, TX
- Average high temperature in September: 87.1°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 (58.3°F).
- Average low temperature in September: 69.3°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).
Average pressure in September
Shortall, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Shortall, TX
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is March (10.8mph).
The calmest month (with the lowest average wind speed) is September (7.3mph).
Average humidity in September
Shortall, TX
- Average humidity in September: 65%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (56%).
Average rainfall in September
Shortall, TX
- Average rainfall in September: 2.68"
The wettest month (with the highest rainfall) is October (3.5").
The driest month (with the least rainfall) is November (1.02").
Average rainfall days in September
Shortall, TX
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in September
Shortall, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Shortall, 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 and October (0 days).
Average daylight in September /
Average sunshine in September
Shortall, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Shortall, TX
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in September
Shortall, 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
Shortall, TX
- Average cloud cover in September: 30
The months with the most cloud cover are March and May (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Shortall, 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).
Shortall, Texas, USA
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