September weather forecast
Farmers Branch, TX

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Weather in September

September, the first month of the autumn in Farmers Branch, is still a hot month, with an average temperature ranging between min 70.7°F (21.5°C) and max 88°F (31.1°C).

Temperature

The transition to September results in a modest reduction in average high-temperature, moving from a very hot 96.3°F (35.7°C) in August to a tropical 88°F (31.1°C). Farmers Branch reports a consistent average low-temperature of 70.7°F (21.5°C) throughout September nights.

Heat index

September's mean heat index is computed to be a torrid 96.8°F (36°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In September, the average relative humidity is 62%.

Rainfall

In September, the rain falls for 14.8 days. Throughout September, 2.64" (67mm) of precipitation is accumulated. Throughout the year, in Farmers Branch, there are 142.4 rainfall days, and 31.3" (795mm) of precipitation is accumulated.

Snowfall

In Farmers Branch, snow does not fall in March through October.

Daylight

The average length of the day in September in Farmers Branch, Texas, is 12h and 22min.
On the first day of the month, sunrise is at 7:02 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:13 pm CDT.

Sunshine

In Farmers Branch, the average sunshine in September is 8.5h.

UV index

In Farmers Branch, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

How hot is it in Farmers Branch in September?

The high-temperature, in September, in Farmers Branch, records 88°F (31.1°C), while the low-temperature is 70.7°F (21.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is computed to be 96.8°F (36°C).

What is the average humidity in September in Farmers Branch?

In September, the average relative humidity in Farmers Branch, Texas, is 62%.

How many days does it rain in September in Farmers Branch?

In September, the rain falls for 14.8 days. Throughout September, 2.64" (67mm) of precipitation is accumulated.

When it does not snow in Farmers Branch?

March through October are months without snowfall in Farmers Branch, Texas.

How many hours of daylight does Farmers Branch have in September?

In September, the average day length in Farmers Branch is 12h and 22min.

When are sunrise and sunset in September in Farmers Branch?

In September, on the first day of the month, sunrise is at 7:02 am and sunset at 7:52 pm. On the last day of the month, in Farmers Branch, Texas, sunrise is at 7:21 am and sunset at 7:13 pm CDT.

How long on average sun shines in September in Farmers Branch?

The average sunshine duration in September in Farmers Branch is 8.5h.

What is the UV index intensity in September in Farmers Branch?

In September, the average daily maximum UV index in Farmers Branch is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe 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
Farmers Branch, TX

Average temperature in September - Farmers Branch, TX
  • Average high temperature in September: 88°F

The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is January (54.3°F).

  • Average low temperature in September: 70.7°F

The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

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Average pressure in September
Farmers Branch, TX

Average pressure in September - Farmers Branch, 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 (29.9"Hg).

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Average wind speed in September
Farmers Branch, TX

Average wind speed in September - Farmers Branch, TX
  • Average wind speed in September: 6.7mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).

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Average humidity in September
Farmers Branch, TX

Average humidity in September - Farmers Branch, TX
  • Average humidity in September: 62%

The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (54%).

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Average rainfall in September
Farmers Branch, TX

Average rainfall in September - Farmers Branch, TX
  • Average rainfall in September: 2.64"

The wettest month (with the highest rainfall) is October (4.02").
The driest month (with the least rainfall) is February (1.73").

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Average rainfall days in September
Farmers Branch, TX

Average rainfall days in September - Farmers Branch, TX
  • Average rainfall days in September: 14.8 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (6.6 days).

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Average snowfall in September
Farmers Branch, TX

Average snowfall in September - Farmers Branch, TX
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.59").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

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Average snowfall days in September
Farmers Branch, TX

Average snowfall days in September - Farmers Branch, TX
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.1 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
Farmers Branch, TX

Average daylight in September / Average sunshine in September - Farmers Branch, 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 3min

The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in September
Farmers Branch, TX

Average sunshine days in September - Farmers Branch, TX
  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is January (23 days).
The month with the least sunshine days is September (13.8 days).

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Average UV index in September
Farmers Branch, TX

Average UV index in September - Farmers Branch, TX
  • Average UV index in September: 6

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

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Average cloud cover in September
Farmers Branch, TX

Average cloud cover in September - Farmers Branch, TX
  • Average cloud cover in September: 29

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).

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Average visibility in September
Farmers Branch, TX

Average visibility in September - Farmers Branch, 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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Farmers Branch, Texas, USA

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