September weather forecast
Mathis, TX

Share

Weather in September

The first month of the autumn, September, is also a hot month in Mathis, Texas, with an average temperature fluctuating between 75.2°F (24°C) and 90.1°F (32.3°C).

Temperature

Mathis's progression into September involves a minor drop in the average high-temperature, slightly receding from a fiery hot 96.1°F (35.6°C) in August to a hot 90.1°F (32.3°C). During September, Mathis sees a mean low-temperature of 75.2°F (24°C).

Heat index

In September, the heat index is calculated to be an extremely hot 105.8°F (41°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In September, the average relative humidity in Mathis is 70%.

Rainfall

The month with the most rainfall is September, when the rain falls for 17.1 days and typically aggregates up to 2.48" (63mm) of precipitation.

Snowfall

In Mathis, snow does not fall in February through December.

Daylight

In Mathis, the average length of the day in September is 12h and 19min.
On the first day of September in Mathis, sunrise is at 7:10 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:18 pm CDT.

Sunshine

In September, the average sunshine in Mathis is 8.5h.

UV index

The average daily maximum UV index in September in Mathis is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during September leads to these advisories:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
[Resources]

Frequently asked questions

How hot is it in Mathis in September?

September temperatures vary between a high-temperature of 90.1°F (32.3°C) and a low-temperature of 75.2°F (24°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is calculated to be 105.8°F (41°C).

What is the average humidity in September in Mathis?

In September, the average relative humidity in Mathis, Texas, is 70%.

What is the wettest month in Mathis?

September is the month with the most rainfall in Mathis, Texas. Rain falls for 17.1 days and accumulates 2.48" (63mm) of precipitation.

How much does it rain in Mathis in September?

In Mathis, during September, the rain falls for 17.1 days and regularly aggregates up to 2.48" (63mm) of precipitation.

When it does not snow in Mathis?

February through December are months without snowfall in Mathis, Texas.

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

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

When is the sunrise / sunset in September in Mathis?

On the first day of September in Mathis, Texas, sunrise is at 7:10 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:18 pm CDT.

How long on average sun shines in September in Mathis?

In September, the average sunshine duration is 8.5h.

How high is the UV index in September in Mathis?

In September, the average daily maximum UV index in Mathis is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to 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
Mathis, TX

Average temperature in September - Mathis, TX
  • Average high temperature in September: 90.1°F

The warmest month (with the highest average high temperature) is August (96.1°F).
The month with the lowest average high temperature is January (64.4°F).

  • Average low temperature in September: 75.2°F

The month with the highest average low temperature is August (78.1°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).

[Resources]

Average pressure in September
Mathis, TX

Average pressure in September - Mathis, TX
  • Average pressure in September: 29.92"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

[Resources]

Average wind speed in September
Mathis, TX

Average wind speed in September - Mathis, TX
  • Average wind speed in September: 8mph

The windiest month (with the highest average wind speed) is May (10.7mph).
The calmest month (with the lowest average wind speed) is September (8mph).

[Resources]

Average humidity in September
Mathis, TX

Average humidity in September - Mathis, TX
  • Average humidity in September: 70%

The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (65%).

[Resources]

Average rainfall in September
Mathis, TX

Average rainfall in September - Mathis, TX
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is September (2.48").
The driest month (with the least rainfall) is February (0.75").

[Resources]

Average rainfall days in September
Mathis, TX

Average rainfall days in September - Mathis, TX
  • Average rainfall days in September: 17.1 days

The month with the highest number of rainy days is September (17.1 days).
The months with the least rainy days are July and August (8.3 days).

[Resources]

Average snowfall in September
Mathis, TX

Average snowfall in September - Mathis, 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").

[Resources]

Average snowfall days in September
Mathis, TX

Average snowfall days in September - Mathis, TX
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Mathis, TX

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

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

[Resources]

Average sunshine days in September
Mathis, TX

Average sunshine days in September - Mathis, TX
  • Average sunshine days in September: 10.9 days

The month with the most sunshine days is July (20.9 days).
The month with the least sunshine days is September (10.9 days).

[Resources]

Average UV index in September
Mathis, TX

Average UV index in September - Mathis, TX
  • Average UV index in September: 6

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).

[Resources]

Average cloud cover in September
Mathis, TX

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

The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 20).

[Resources]

Average visibility in September
Mathis, TX

Average visibility in September - Mathis, 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).

[Resources]

Mathis, Texas, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location