September weather forecast
Grand Saline, TX

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Weather in September

September, the first month of the autumn in Grand Saline, is still a tropical month, with an average temperature ranging between min 67.6°F (19.8°C) and max 87.8°F (31°C).

Temperature

The onset of September results in a small decrease in the average high-temperature, moderately receding from a hot 94.8°F (34.9°C) in August to a still tropical 87.8°F (31°C). Grand Saline cools down to an average low-temperature of 67.6°F (19.8°C) throughout the month of September.

Heat index

The heat index in September is calculated to be a fiery hot 98.6°F (37°C). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

The average relative humidity in September is 69%.

Rainfall

In Grand Saline, in September, during 14.6 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, there are 146.6 rainfall days, and 30.83" (783mm) of precipitation is accumulated.

Snowfall

In Grand Saline, snow does not fall in April through November.

Daylight

The average length of the day in September in Grand Saline is 12h and 22min.
On the first day of the month, sunrise is at 6:58 am and sunset at 7:47 pm. On the last day of September, in Grand Saline, Texas, sunrise is at 7:16 am and sunset at 7:08 pm CDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

In Grand Saline, Texas, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: The UV index of 6 in September translates into these instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

How hot is it in Grand Saline in September?

The high-temperature in Grand Saline, Texas, during September is 87.8°F (31°C) and the low-temperature is 67.6°F (19.8°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 98.6°F (37°C).

What is the average humidity in September in Grand Saline?

In Grand Saline, Texas, the average relative humidity in September is 69%.

How much does it rain in Grand Saline in September?

In Grand Saline, Texas, in September, it is raining for 14.6 days, with typically 2.44" (62mm) of accumulated precipitation.

When it does not snow in Grand Saline?

In Grand Saline, snow does not fall in April through November.

How many hours of daylight does Grand Saline have in September?

In September, the average day length in Grand Saline, Texas, is 12h and 22min.

What time are sunrise and sunset in September in Grand Saline?

On the first day of September, sunrise is at 6:58 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:08 pm CDT.

How many hours of sunshine does Grand Saline have in September?

The average sunshine duration in September in Grand Saline is 8.8h.

What is the UV index reading in September in Grand Saline?

The average daily maximum UV index in September in Grand Saline, Texas, is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Grand Saline, TX

Average temperature in September - Grand Saline, TX
  • Average high temperature in September: 87.8°F

The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (54°F).

  • Average low temperature in September: 67.6°F

The months with the highest average low temperature are July and August (73.4°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).

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Average pressure in September
Grand Saline, TX

Average pressure in September - Grand Saline, TX
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in September
Grand Saline, TX

Average wind speed in September - Grand Saline, TX
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is September (5.8mph).

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Average humidity in September
Grand Saline, TX

Average humidity in September - Grand Saline, TX
  • Average humidity in September: 69%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (64%).

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Average rainfall in September
Grand Saline, TX

Average rainfall in September - Grand Saline, TX
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is October (4.13").
The driest month (with the least rainfall) is January (1.65").

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Average rainfall days in September
Grand Saline, TX

Average rainfall days in September - Grand Saline, TX
  • Average rainfall days in September: 14.6 days

The month with the highest number of rainy days is September (14.6 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in September
Grand Saline, TX

Average snowfall in September - Grand Saline, TX
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Grand Saline, TX

Average snowfall days in September - Grand Saline, TX
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Grand Saline, TX

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

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Average sunshine days in September
Grand Saline, TX

Average sunshine days in September - Grand Saline, TX
  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is January (21.7 days).
The month with the least sunshine days is September (13.9 days).

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Average UV index in September
Grand Saline, TX

Average UV index in September - Grand Saline, TX
  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

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Average cloud cover in September
Grand Saline, TX

Average cloud cover in September - Grand Saline, TX
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in September
Grand Saline, TX

Average visibility in September - Grand Saline, 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).

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Grand Saline, Texas, USA

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