September weather forecastPremont, TX
September
Weather in September
September, the first month of the autumn in Premont, is still a hot month, with an average temperature varying between 75.2°F (24°C) and 91.2°F (32.9°C).Temperature
Premont records a mild change in average high-temperature during September, easing from a torrid 97.5°F (36.4°C) in August to a hot 91.2°F (32.9°C). The average low-temperature of 75.2°F (24°C) is witnessed in Premont during September.Heat index
In September, the heat index is evaluated at a blisteringly hot 109.4°F (43°C). Eyes open: Heat cramps and heat exhaustion are expected. Prolonged exertion could lead to heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly relevant to babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
In September, the average relative humidity is 69%.Rainfall
The month with the most rainfall in Premont is September, when the rain falls for 16.9 days and typically aggregates up to 2.6" (66mm) of precipitation.Snowfall
In Premont, Texas, snow does not fall in February through December.Daylight
In September, the average length of the day in Premont, Texas, is 12h and 19min.On the first day of September, sunrise is at 7:11 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:19 pm CDT.
Sunshine
In Premont, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index in Premont is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 7 during September translates into the following directions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Premont, TX
- Average high temperature in September: 91.2°F
The warmest month (with the highest average high temperature) is August (97.5°F).
The month with the lowest average high temperature is January (66.7°F).
- Average low temperature in September: 75.2°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (50.2°F).
Average pressure in September
Premont, TX
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).
Average wind speed in September
Premont, TX
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is May (11.1mph).
The calmest month (with the lowest average wind speed) is September (8.1mph).
Average humidity in September
Premont, TX
- Average humidity in September: 69%
The months with the highest relative humidity are May and December (71%).
The month with the lowest relative humidity is August (63%).
Average rainfall in September
Premont, TX
- Average rainfall in September: 2.6"
The wettest month (with the highest rainfall) is September (2.6").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in September
Premont, TX
- Average rainfall days in September: 16.9 days
The month with the highest number of rainy days is September (16.9 days).
The month with the least rainy days is August (7.1 days).
Average snowfall in September
Premont, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Premont, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Premont, TX
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Premont, TX
- Average sunshine days in September: 11 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is September (11 days).
Average UV index in September
Premont, TX
- Average UV index in September: 7
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in September
Premont, TX
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Premont, 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).





