September weather forecast
Quintana, TX

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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.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Quintana during September?

September temperatures in Quintana, Texas, vary between a high-temperature of 85.5°F (29.7°C) and a low-temperature of 77.2°F (25.1°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in September is calculated to be 95°F (35°C).

What is the average humidity in September in Quintana?

In September, the average relative humidity in Quintana, Texas, is 75%.

What is the wettest month in Quintana?

September is the month with the most rainfall in Quintana, Texas. Rain falls for 18.7 days and accumulates 3.58" (91mm) of precipitation.

How much does it rain in Quintana in September?

In September, in Quintana, the rain falls for 18.7 days. Throughout September, 3.58" (91mm) of precipitation is accumulated.

When it does not snow in Quintana?

February through December are months without snowfall in Quintana.

What is the average length of the day in September in Quintana?

In September, the average day length in Quintana is 12h and 19min.

When is the sunrise / sunset in September in Quintana?

On the first day of September, sunrise is at 6:59 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:07 pm CDT.

How many hours of sunshine does Quintana have in September?

In Quintana, the average sunshine duration in September is 8.5h.

What is the UV index reading in September in Quintana?

The average daily maximum UV index in September in Quintana, Texas, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Quintana, TX

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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in September - Quintana, TX
  • Average daylight in September: 12h and 2min

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 3min

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 - 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 - 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 - 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 - 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).

Quintana, Texas, USA

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