September weather forecast
DeSoto, TX

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Weather in September

September, the first month of the autumn in DeSoto, is also a hot month, with an average temperature varying between 70.2°F (21.2°C) and 87.8°F (31°C).

Temperature

The onset of September brings a small shift in high-temperatures, falling from a very hot 95.9°F (35.5°C) in August to a hot 87.8°F (31°C). DeSoto's temperature lowers to a mean of 70.2°F (21.2°C) during the nights in September.

Heat index

During September, the heat index is appraised at a sweltering 96.8°F (36°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

The average relative humidity in September in DeSoto, Texas, is 64%.

Rainfall

In September, in DeSoto, Texas, the rain falls for 14.3 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. Throughout the year, in DeSoto, there are 126.7 rainfall days, and 19.57" (497mm) of precipitation is accumulated.

Snowfall

In DeSoto, snow does not fall in March through October.

Daylight

In September, the average length of the day in DeSoto is 12h and 22min.
On the first day of the month, sunrise is at 7:02 am and sunset at 7:51 pm. On the last day of September, in DeSoto, sunrise is at 7:21 am and sunset at 7:12 pm CDT.

Sunshine

In DeSoto, Texas, the average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

Is it hot in DeSoto during September?

The average high-temperature, in September, in DeSoto, is 87.8°F (31°C), while the average low-temperature is 70.2°F (21.2°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is appraised at 96.8°F (36°C).

What is the average humidity in September in DeSoto?

The average relative humidity in September in DeSoto is 64%.

How many days does it rain in September in DeSoto?

In DeSoto, during September, the rain falls for 14.3 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When it does not snow in DeSoto?

In DeSoto, snow does not fall in March through October.

How many hours of daylight does DeSoto have in September?

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

When is the sunrise / sunset in September in DeSoto?

On the first day of September in DeSoto, sunrise is at 7:02 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:12 pm CDT.

How many hours of sunshine does DeSoto have in September?

In September, the average sunshine duration is 8.5h.

How high is the UV index in September in DeSoto?

In DeSoto, Texas, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health threat 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
DeSoto, TX

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

The warmest month (with the highest average high temperature) is August (95.9°F).
The month with the lowest average high temperature is January (54.7°F).

  • Average low temperature in September: 70.2°F

The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (39°F).

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Average pressure in September
DeSoto, TX

Average pressure in September - DeSoto, 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 (29.91"Hg).

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Average wind speed in September
DeSoto, TX

Average wind speed in September - DeSoto, TX
  • Average wind speed in September: 6.6mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).

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Average humidity in September
DeSoto, TX

Average humidity in September - DeSoto, 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
DeSoto, TX

Average rainfall in September - DeSoto, TX
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (0.83").

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Average rainfall days in September
DeSoto, TX

Average rainfall days in September - DeSoto, TX
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is September (14.3 days).
The month with the least rainy days is January (5.6 days).

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Average snowfall in September
DeSoto, TX

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

The month with the highest snowfall is February (0.51").
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
DeSoto, TX

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

The month with the highest number of snowfall days is February (1.3 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
DeSoto, TX

Average daylight in September / Average sunshine in September - DeSoto, 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 6min).

  • Average sunshine in September: 8h and 3min

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 30min).

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Average sunshine days in September
DeSoto, TX

Average sunshine days in September - DeSoto, TX
  • Average sunshine days in September: 13.6 days

The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is September (13.6 days).

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Average UV index in September
DeSoto, TX

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

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Average cloud cover in September
DeSoto, TX

Average cloud cover in September - DeSoto, 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 21).

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Average visibility in September
DeSoto, TX

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

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