September weather forecast
Tornillo, TX

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Weather in September

The first month of the autumn, September, is still a warm month in Tornillo, Texas, with an average temperature ranging between max 85.1°F (29.5°C) and min 68.7°F (20.4°C).

Temperature

With the beginning of September, the average high-temperature shows a small decrease, transitioning from a tropical 91.8°F (33.2°C) in August to a warm 85.1°F (29.5°C). The mean low-temperature during September nights is an agreeable 68.7°F (20.4°C).

Heat index

In September, the heat index is computed to be 84.2°F (29°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In Tornillo, the average relative humidity in September is 43%.

Rainfall

In September, in Tornillo, the rain falls for 11 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. In Tornillo, during the entire year, the rain falls for 72.6 days and collects up to 7.72" (196mm) of precipitation.

Snowfall

January, March through November are months without snowfall in Tornillo.

Daylight

In September, the average length of the day in Tornillo is 12h and 20min.
On the first day of September, sunrise is at 6:40 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:50 pm MDT.

Sunshine

The average sunshine in September is 11.2h.

UV index

In September, the average daily maximum UV index in Tornillo is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

How hot is it in Tornillo in September?

The high-temperature in Tornillo during September is 85.1°F (29.5°C) and the low-temperature is 68.7°F (20.4°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is computed to be 84.2°F (29°C).

What is the average humidity in September in Tornillo?

The average relative humidity in September is 43%.

How much does it rain in Tornillo in September?

In Tornillo, in September, during 11 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

When it does not snow in Tornillo?

January, March through November are months without snowfall in Tornillo.

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

The average day length in September in Tornillo, Texas, is 12h and 20min.

When is the sunrise / sunset in September in Tornillo?

On the first day of September in Tornillo, sunrise is at 6:40 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:50 pm MDT.

How long on average sun shines in September in Tornillo?

In September, the average sunshine duration in Tornillo, Texas, is 11.2h.

What is the UV index intensity in September in Tornillo?

In September, the average daily maximum UV index in Tornillo, Texas, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
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
Tornillo, TX

Average temperature in September - Tornillo, TX
  • Average high temperature in September: 85.1°F

The warmest month (with the highest average high temperature) is June (94.5°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in September: 68.7°F

The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

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Average pressure in September
Tornillo, TX

Average pressure in September - Tornillo, TX
  • Average pressure in September: 29.93"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

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Average wind speed in September
Tornillo, TX

Average wind speed in September - Tornillo, TX
  • Average wind speed in September: 7.5mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is January (6.9mph).

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Average humidity in September
Tornillo, TX

Average humidity in September - Tornillo, TX
  • Average humidity in September: 43%

The month with the highest relative humidity is December (47%).
The month with the lowest relative humidity is May (21%).

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Average rainfall in September
Tornillo, TX

Average rainfall in September - Tornillo, TX
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is April (0.12").

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Average rainfall days in September
Tornillo, TX

Average rainfall days in September - Tornillo, TX
  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (2.4 days).

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Average snowfall in September
Tornillo, TX

Average snowfall in September - Tornillo, TX
  • Average snowfall in September: 0"

The month with the highest snowfall is December (0.47").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Tornillo, TX

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

The month with the highest number of snowfall days is December (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September and November (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 11h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).

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Average sunshine days in September
Tornillo, TX

Average sunshine days in September - Tornillo, TX
  • Average sunshine days in September: 15.1 days

The months with the most sunshine days are January and March (27.3 days).
The month with the least sunshine days is August (10.3 days).

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Average UV index in September
Tornillo, TX

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

The months with the highest UV index are May, 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
Tornillo, TX

Average cloud cover in September - Tornillo, TX
  • Average cloud cover in September: 16

The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is May (Cloud cover 8).

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Average visibility in September
Tornillo, TX

Average visibility in September - Tornillo, 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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Tornillo, Texas, USA

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