September weather forecastQuintana, TX
September
Weather in September
The first month of the autumn, September, is still a warm month in Quintana, Texas, with temperature in the range of an average high of 85.5°F (29.7°C) and an average low of 77.2°F (25.1°C).Temperature
Quintana's shift into September sets the average high-temperature at a moderately hot 85.5°F (29.7°C), a figure that deviates only slightly from August's 88.9°F (31.6°C). Quintana registers a steady nighttime temperature averaging a still warm 77.2°F (25.1°C) throughout September.Heat index
The heat index value during September is calculated to be a torrid 95°F (35°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
The average relative humidity in September in Quintana is 75%.Rainfall
The month with the most rainfall is September, when the rain falls for 18.7 days and typically aggregates up to 3.58" (91mm) of precipitation.Snowfall
In Quintana, Texas, snow does not fall in February through December.Daylight
In Quintana, the average length of the day in September is 12h and 19min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:07 pm CDT.
Sunshine
In Quintana, the average sunshine in September is 8.5h.UV index
In Quintana, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: In September, an average UV index of 6 transforms into the following instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Quintana, TX
- Average high temperature in September: 85.5°F
The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is January (61°F).
- Average low temperature in September: 77.2°F
The month with the highest average low temperature is August (81°F).
The coldest month (with the lowest average low temperature) is January (51.4°F).
Average pressure in September
Quintana, TX
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Quintana, TX
- Average wind speed in September: 8.8mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Quintana, TX
- Average humidity in September: 75%
The months with the highest relative humidity are February and March (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Quintana, TX
- Average rainfall in September: 3.58"
The wettest month (with the highest rainfall) is September (3.58").
The driest month (with the least rainfall) is March (0.67").
Average rainfall days in September
Quintana, TX
- Average rainfall days in September: 18.7 days
The month with the highest number of rainy days is September (18.7 days).
The months with the least rainy days are January and February (9.4 days).
Average snowfall days in September
Quintana, 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
Quintana, TX
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in September: 8h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in September
Quintana, TX
- Average sunshine days in September: 8.4 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is September (8.4 days).
Average UV index in September
Quintana, 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
Quintana, TX
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in September
Quintana, 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).
