September weather forecast
Roman Forest, TX

Weather in September

September, the first month of the autumn in Roman Forest, is still a tropical month, with an average temperature ranging between min 71.2°F (21.8°C) and max 89.1°F (31.7°C).

Temperature

In Roman Forest, the average high-temperature in September slightly decreases from a torrid 95.2°F (35.1°C) in August to a hot 89.1°F (31.7°C). In Roman Forest, in September, the average low-temperature is 71.2°F (21.8°C).

Heat index

In September, the average heat index is evaluated at a blistering 105.8°F (41°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, metabolic differences, pregnancy, and wind affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain 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. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in September is 75%.

Rainfall

In Roman Forest, in September, during 17.2 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, there are 148.3 rainfall days, and 20.04" (509mm) of precipitation is accumulated.

Snowfall

In Roman Forest, snow does not fall in January through November.

Daylight

The average length of the day in September is 12h and 20min.
On the first day of September, sunrise is at 6:57 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:07 pm CDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

In September, the average daily maximum UV index in Roman Forest, Texas, is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Roman Forest?

The average high-temperature, in September, in Roman Forest, Texas, is 89.1°F (31.7°C), while the average low-temperature is 71.2°F (21.8°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in September is evaluated at 105.8°F (41°C).

What is the average humidity in September in Roman Forest?

The average relative humidity in September in Roman Forest is 75%.

How many days does it rain in September in Roman Forest?

In Roman Forest, Texas, in September, during 17.2 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

When it does not snow in Roman Forest?

January through November are months without snowfall in Roman Forest, Texas.

How many hours of daylight does Roman Forest have in September?

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

When are sunrise and sunset in September in Roman Forest?

On the first day of September in Roman Forest, Texas, sunrise is at 6:57 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:07 pm CDT.

How long on average sun shines in September in Roman Forest?

The average sunshine duration in September in Roman Forest, Texas, is 8.8h.

What is the UV index reading in September in Roman Forest?

In Roman Forest, Texas, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Roman Forest, TX

Average temperature in September - Roman Forest, TX
  • Average high temperature in September: 89.1°F

The warmest month (with the highest average high temperature) is August (95.2°F).
The month with the lowest average high temperature is January (60.1°F).

  • Average low temperature in September: 71.2°F

The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (43.5°F).

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Average pressure in September
Roman Forest, TX

Average pressure in September - Roman Forest, TX
  • Average pressure in September: 29.96"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
Roman Forest, TX

Average wind speed in September - Roman Forest, TX
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is September (5.2mph).

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Average humidity in September
Roman Forest, TX

Average humidity in September - Roman Forest, TX
  • Average humidity in September: 75%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (71%).

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Average rainfall in September
Roman Forest, TX

Average rainfall in September - Roman Forest, TX
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is November (0.98").

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Average rainfall days in September
Roman Forest, TX

Average rainfall days in September - Roman Forest, TX
  • Average rainfall days in September: 17.2 days

The month with the highest number of rainy days is September (17.2 days).
The month with the least rainy days is January (8.8 days).

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Average snowfall in September
Roman Forest, TX

Average snowfall in September - Roman Forest, TX
  • Average snowfall in September: 0"

The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Roman Forest, TX

Average snowfall days in September - Roman Forest, TX
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are February and December (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Roman Forest, TX

Average daylight in September / Average sunshine in September - Roman Forest, TX
  • Average daylight in September: 12h and 20min

The month with the longest days is June (Average daylight: 14h and 4min).
The month with the shortest days is December (Average daylight: 10h and 14min).

  • Average sunshine in September: 8h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in September
Roman Forest, TX

Average sunshine days in September - Roman Forest, TX
  • Average sunshine days in September: 10.3 days

The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is September (10.3 days).

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Average UV index in September
Roman Forest, TX

Average UV index in September - Roman Forest, TX
  • Average UV index in September: 6

The months with the highest UV index are 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
Roman Forest, TX

Average cloud cover in September - Roman Forest, TX
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in September
Roman Forest, TX

Average visibility in September - Roman Forest, TX
  • Average visibility in September: 6mi

The months with the highest visibility are January, June, August, September, October, November and December (6mi).
The months with the lowest visibility are February, March, April, May and July (5mi).

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