September weather forecast
Falfurrias, TX

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Weather in September

September, the first month of the autumn in Falfurrias, is still a hot month, with an average temperature varying between 91.2°F (32.9°C) and 75.2°F (24°C).

Temperature

The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a very hot 98.1°F (36.7°C) in August to a hot 91.2°F (32.9°C). During the month of September, the temperature falls to an average of 75.2°F (24°C).

Heat index

In September, the average heat index is evaluated at a scorching 109.4°F (43°C). Vigilance: Heat cramps and heat exhaustion are likely. The likelihood of heatstroke increases with continued activity.
Heat index evaluations are typically in the context of light winds and shaded environments. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In Falfurrias, the average relative humidity in September is 69%.

Rainfall

September is the month with the most rainfall. Rain falls for 17.4 days and accumulates 2.64" (67mm) of precipitation.

Snowfall

February through December are months without snowfall in Falfurrias.

Daylight

The average length of the day in September is 12h and 19min.
On the first day of September, sunrise is at 7:12 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

The average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September in Falfurrias, Texas, is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 7 suggests this advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Falfurrias in September?

In September, in Falfurrias, the average high-temperature is 91.2°F (32.9°C), and the average low-temperature is 75.2°F (24°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in September is evaluated at 109.4°F (43°C).

What is the average humidity in September in Falfurrias?

In Falfurrias, the average relative humidity in September is 69%.

What is the wettest month in Falfurrias?

The month with the most rainfall in Falfurrias, Texas, is September, when the rain falls for 17.4 days and typically aggregates up to 2.64" (67mm) of precipitation.

How much does it rain in Falfurrias in September?

In Falfurrias, Texas, in September, it is raining for 17.4 days, with typically 2.64" (67mm) of accumulated precipitation.

When it does not snow in Falfurrias?

In Falfurrias, Texas, snow does not fall in February through December.

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

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

When is the sunrise / sunset in September in Falfurrias?

On the first day of September in Falfurrias, Texas, sunrise is at 7:12 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.

How many hours of sunshine does Falfurrias have in September?

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

How high is the UV index in September in Falfurrias?

The average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Falfurrias, TX

Average temperature in September - Falfurrias, TX
  • Average high temperature in September: 91.2°F

The warmest month (with the highest average high temperature) is August (98.1°F).
The month with the lowest average high temperature is January (67.1°F).

  • Average low temperature in September: 75.2°F

The month with the highest average low temperature is August (77.7°F).
The coldest month (with the lowest average low temperature) is January (50.5°F).

Average pressure in September
Falfurrias, TX

Average pressure in September - Falfurrias, 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
Falfurrias, TX

Average wind speed in September - Falfurrias, TX
  • Average wind speed in September: 8.3mph

The windiest month (with the highest average wind speed) is May (11.4mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).

Average humidity in September
Falfurrias, TX

Average humidity in September - Falfurrias, TX
  • Average humidity in September: 69%

The month with the highest relative humidity is December (71%).
The month with the lowest relative humidity is August (63%).

Average rainfall in September
Falfurrias, TX

Average rainfall in September - Falfurrias, TX
  • Average rainfall in September: 2.64"

The wettest month (with the highest rainfall) is September (2.64").
The driest month (with the least rainfall) is February (0.63").

Average rainfall days in September
Falfurrias, TX

Average rainfall days in September - Falfurrias, TX
  • Average rainfall days in September: 17.4 days

The month with the highest number of rainy days is September (17.4 days).
The month with the least rainy days is August (7 days).

Average snowfall in September
Falfurrias, TX

Average snowfall in September - Falfurrias, 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
Falfurrias, TX

Average snowfall days in September - Falfurrias, 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
Falfurrias, TX

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

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 30min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in September
Falfurrias, TX

Average sunshine days in September - Falfurrias, TX
  • Average sunshine days in September: 10.5 days

The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is September (10.5 days).

Average UV index in September
Falfurrias, TX

Average UV index in September - Falfurrias, 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
Falfurrias, TX

Average cloud cover in September - Falfurrias, TX
  • Average cloud cover in September: 31

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in September
Falfurrias, TX

Average visibility in September - Falfurrias, 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).

Falfurrias, Texas, USA

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