September weather forecast
Sommers Mill, TX

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Weather in September

The first month of the autumn, September, is still a tropical month in Sommers Mill, Texas, with temperature in the range of an average low of 71.1°F (21.7°C) and an average high of 88.7°F (31.5°C).

Temperature

As August transitions into September, Sommers Mill sees a gentle drop in the average high-temperature, transitioning from a fiery hot 96.4°F (35.8°C) to a tropical 88.7°F (31.5°C). In Sommers Mill, September is marked by an average low-temperature of 71.1°F (21.7°C).

Heat index

The heat index for September is estimated at a sweltering 98.6°F (37°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In Sommers Mill, Texas, the average relative humidity in September is 65%.

Rainfall

In Sommers Mill, Texas, during September, the rain falls for 12.6 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, there are 107 rainfall days, and 13.27" (337mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall in Sommers Mill.

Daylight

In September, the average length of the day in Sommers Mill is 12h and 20min.
On the first day of the month, sunrise is at 7:06 am and sunset at 7:52 pm. On the last day of September, in Sommers Mill, sunrise is at 7:23 am and sunset at 7:15 pm CDT.

Sunshine

The average sunshine in September in Sommers Mill is 8.5h.

UV index

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 for ordinary individuals.
Note: In September, a regular UV index of 6 translates into these guidelines:
Take precautions against overexposure. Protection against sun damage is needed. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

How hot does it get in Sommers Mill in September?

Sommers Mill in September has an average high-temperature of 88.7°F (31.5°C) and an average low-temperature of 71.1°F (21.7°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 98.6°F (37°C).

What is the average humidity in September in Sommers Mill?

In September, the average relative humidity in Sommers Mill is 65%.

How many days does it rain in September in Sommers Mill?

In Sommers Mill, during September, the rain falls for 12.6 days and regularly aggregates up to 1.3" (33mm) of precipitation.

When it does not snow in Sommers Mill?

In Sommers Mill, snow does not fall in March through December.

What is the average length of the day in September in Sommers Mill?

The average day length in September in Sommers Mill, Texas, is 12h and 20min.

What time are sunrise and sunset in September in Sommers Mill?

In September, on the first day of the month, sunrise is at 7:06 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:15 pm CDT.

How long on average sun shines in September in Sommers Mill?

In September, the average sunshine duration in Sommers Mill is 8.5h.

How high is the UV index in September in Sommers Mill?

The average daily maximum UV index in September in Sommers Mill, Texas, is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
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
Sommers Mill, TX

Average temperature in September - Sommers Mill, TX
  • Average high temperature in September: 88.7°F

The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is January (58.1°F).

  • Average low temperature in September: 71.1°F

The month with the highest average low temperature is August (76.5°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure in September
Sommers Mill, TX

Average pressure in September - Sommers Mill, 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 (29.92"Hg).

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Average wind speed in September
Sommers Mill, TX

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

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is September (6.9mph).

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Average humidity in September
Sommers Mill, TX

Average humidity in September - Sommers Mill, TX
  • Average humidity in September: 65%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (57%).

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Average rainfall in September
Sommers Mill, TX

Average rainfall in September - Sommers Mill, TX
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is February (0.47").

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Average rainfall days in September
Sommers Mill, TX

Average rainfall days in September - Sommers Mill, TX
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is January (5.8 days).

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Average snowfall in September
Sommers Mill, TX

Average snowfall in September - Sommers Mill, TX
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Sommers Mill, TX

Average snowfall days in September - Sommers Mill, TX
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (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
Sommers Mill, TX

Average daylight in September / Average sunshine in September - Sommers Mill, 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: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in September
Sommers Mill, TX

Average sunshine days in September - Sommers Mill, TX
  • Average sunshine days in September: 16 days

The month with the most sunshine days is January (23.7 days).
The month with the least sunshine days is May (15.5 days).

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Average UV index in September
Sommers Mill, TX

Average UV index in September - Sommers Mill, 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
Sommers Mill, TX

Average cloud cover in September - Sommers Mill, TX
  • Average cloud cover in September: 30

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in September
Sommers Mill, TX

Average visibility in September - Sommers Mill, 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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Sommers Mill, Texas, USA

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