September weather forecast
Briar, TX

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Weather in September

September, the first month of the autumn in Briar, is also a hot month, with an average temperature fluctuating between 68.9°F (20.5°C) and 86.7°F (30.4°C).

Temperature

September heralds a minor drop in average high-temperature, sliding from August's very hot 95.5°F (35.3°C) to a tropical 86.7°F (30.4°C). During September, an average low-temperature of 68.9°F (20.5°C) is observed.

Heat index

The heat index in September is calculated to be a torrid 95°F (35°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly relevant to children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In Briar, the average relative humidity in September is 64%.

Rainfall

In Briar, Texas, in September, it is raining for 10.6 days, with typically 1.3" (33mm) of accumulated precipitation. Throughout the year, there are 97.5 rainfall days, and 12.8" (325mm) of precipitation is accumulated.

Snowfall

January, April through November are months without snowfall in Briar.

Daylight

The average length of the day in September in Briar is 12h and 22min.
On the first day of the month, sunrise is at 7:05 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:15 pm CDT.

Sunshine

In September, the average sunshine in Briar is 8.4h.

UV index

The average daily maximum UV index in September in Briar is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 6 in September translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

How hot is September in Briar?

The average high-temperature and low-temperature in Briar, Texas, during September are 86.7°F (30.4°C) and 68.9°F (20.5°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in September is calculated to be 95°F (35°C).

What is the average humidity in September in Briar?

In September, the average relative humidity is 64%.

How many days does it rain in September in Briar?

In Briar, in September, it is raining for 10.6 days, with typically 1.3" (33mm) of accumulated precipitation.

When it does not snow in Briar?

In Briar, Texas, snow does not fall in January, April through November.

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

The average day length in September in Briar, Texas, is 12h and 22min.

What time are sunrise and sunset in September in Briar?

In September, on the first day of the month, sunrise is at 7:05 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:15 pm CDT.

How many hours of sunshine does Briar have in September?

In September, the average sunshine duration in Briar is 8.4h.

What is the UV index reading in September in Briar?

The average daily maximum UV index in September in Briar, Texas, is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Briar, TX

Average temperature in September - Briar, TX
  • Average high temperature in September: 86.7°F

The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (54.7°F).

  • Average low temperature in September: 68.9°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

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Average pressure in September
Briar, TX

Average pressure in September - Briar, TX
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in September
Briar, TX

Average wind speed in September - Briar, TX
  • Average wind speed in September: 6.9mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is September (6.9mph).

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Average humidity in September
Briar, TX

Average humidity in September - Briar, TX
  • Average humidity in September: 64%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (56%).

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Average rainfall in September
Briar, TX

Average rainfall in September - Briar, TX
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is December (0.47").

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Average rainfall days in September
Briar, TX

Average rainfall days in September - Briar, TX
  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (4 days).

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Average snowfall in September
Briar, TX

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

The month with the highest snowfall is February (0.31").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Briar, TX

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

The month with the highest number of snowfall days is February (0.8 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
Briar, TX

Average daylight in September / Average sunshine in September - Briar, 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 2min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in September
Briar, TX

Average sunshine days in September - Briar, TX
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is January (26.1 days).
The month with the least sunshine days is May (16.5 days).

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Average UV index in September
Briar, TX

Average UV index in September - Briar, 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 and December (UV index 3).

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Average cloud cover in September
Briar, TX

Average cloud cover in September - Briar, TX
  • Average cloud cover in September: 30

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 20).

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Average visibility in September
Briar, TX

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

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