September weather forecast
Deweyville, TX

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Weather in September

September, the first month of the autumn in Deweyville, is still a tropical month, with temperature in the range of an average high of 87.8°F (31°C) and an average low of 72.1°F (22.3°C).

Temperature

In September, Deweyville experiences a minor shift in meteorological conditions with average high-temperatures marked at a still tropical 87.8°F (31°C), closely mirroring the climate in August. Nighttime temperatures in September average to an agreeable 72.1°F (22.3°C).

Heat index

During September, the heat index is calculated to be a blisteringly hot 104°F (40°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

In September, the average relative humidity is 76%.

Rainfall

In Deweyville, Texas, during September, the rain falls for 17.8 days and regularly aggregates up to 3.39" (86mm) of precipitation. In Deweyville, during the entire year, the rain falls for 171.5 days and collects up to 31.73" (806mm) of precipitation.

Snowfall

In Deweyville, snow does not fall in February through November.

Daylight

In Deweyville, the average length of the day in September is 12h and 20min.
On the first day of September, sunrise is at 6:52 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 7:01 pm CDT.

Sunshine

The average sunshine in September is 9.5h.

UV index

The average daily maximum UV index in September in Deweyville is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 during September translates into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

How hot does it get in Deweyville in September?

September temperatures in Deweyville vary between a high-temperature of 87.8°F (31°C) and a low-temperature of 72.1°F (22.3°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 104°F (40°C).

What is the average humidity in September in Deweyville?

The average relative humidity in September in Deweyville, Texas, is 76%.

How much does it rain in Deweyville in September?

In Deweyville, in September, it is raining for 17.8 days, with typically 3.39" (86mm) of accumulated precipitation.

When it does not snow in Deweyville?

February through November are months without snowfall in Deweyville, Texas.

How many hours of daylight does Deweyville have in September?

In Deweyville, the average day length in September is 12h and 20min.

When is the sunrise / sunset in September in Deweyville?

On the first day of September in Deweyville, Texas, sunrise is at 6:52 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 7:01 pm CDT.

How many hours of sunshine does Deweyville have in September?

The average sunshine duration in September in Deweyville, Texas, is 9.5h.

What is the UV index reading in September in Deweyville?

In Deweyville, 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
Deweyville, TX

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

The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is January (59.5°F).

  • Average low temperature in September: 72.1°F

The month with the highest average low temperature is July (76.8°F).
The coldest month (with the lowest average low temperature) is January (45°F).

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Average pressure in September
Deweyville, TX

Average pressure in September - Deweyville, TX
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Deweyville, TX

Average wind speed in September - Deweyville, TX
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in September
Deweyville, TX

Average humidity in September - Deweyville, TX
  • Average humidity in September: 76%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Deweyville, TX

Average rainfall in September - Deweyville, TX
  • Average rainfall in September: 3.39"

The wettest month (with the highest rainfall) is August (5.47").
The driest months (with the least rainfall) are February and March (1.54").

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Average rainfall days in September
Deweyville, TX

Average rainfall days in September - Deweyville, TX
  • Average rainfall days in September: 17.8 days

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (9.5 days).

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Average snowfall in September
Deweyville, TX

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

The month with the highest snowfall is January (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Deweyville, TX

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

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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

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

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

  • Average sunshine in September: 9h and 3min

The months with the most sunshine are June and August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in September
Deweyville, TX

Average sunshine days in September - Deweyville, TX
  • Average sunshine days in September: 9.9 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is August (6.8 days).

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Average UV index in September
Deweyville, TX

Average UV index in September - Deweyville, 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
Deweyville, TX

Average cloud cover in September - Deweyville, TX
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 26).

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Average visibility in September
Deweyville, TX

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

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