September weather forecast
Valley Spring, TX

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Weather in September

The first month of the autumn, September, is still a tropical month in Valley Spring, Texas, with an average temperature ranging between min 68.9°F (20.5°C) and max 86.9°F (30.5°C).

Temperature

Valley Spring, Texas, observes a small decrease in the average high-temperature with the arrival of September, falling from August's very hot 95°F (35°C) to a hot 86.9°F (30.5°C). September nights observe an average temperature dip to an agreeable 68.9°F (20.5°C).

Heat index

In September, the average heat index is computed to be a fiery hot 95°F (35°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to 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.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

The average relative humidity in September in Valley Spring is 65%.

Rainfall

In Valley Spring, in September, during 13.3 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, in Valley Spring, there are 123.8 rainfall days, and 21.18" (538mm) of precipitation is accumulated.

Snowfall

March through November are months without snowfall in Valley Spring.

Daylight

In September, the average length of the day in Valley Spring is 12h and 20min.
On the first day of September, sunrise is at 7:12 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:21 pm CDT.

Sunshine

In September, the average sunshine in Valley Spring is 8.5h.

UV index

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 6 during September leads to these advisories:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Valley Spring in September?

The average high-temperature, in September, in Valley Spring, is 86.9°F (30.5°C), while the average low-temperature is 68.9°F (20.5°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in September is computed to be 95°F (35°C).

What is the average humidity in September in Valley Spring?

In Valley Spring, the average relative humidity in September is 65%.

How many days does it rain in September in Valley Spring?

In Valley Spring, in September, during 13.3 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When it does not snow in Valley Spring?

In Valley Spring, Texas, snow does not fall in March through November.

What is the average length of the day in September in Valley Spring?

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

When are sunrise and sunset in September in Valley Spring?

On the first day of September in Valley Spring, sunrise is at 7:12 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:21 pm CDT.

How long on average sun shines in September in Valley Spring?

The average sunshine duration in September in Valley Spring, Texas, is 8.5h.

How high is the UV index in September in Valley Spring?

In Valley Spring, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Valley Spring, TX

Average temperature in September - Valley Spring, TX
  • Average high temperature in September: 86.9°F

The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in September: 68.9°F

The month with the highest average low temperature is August (74.3°F).
The coldest month (with the lowest average low temperature) is January (40.8°F).

Average pressure in September
Valley Spring, TX

Average pressure in September - Valley Spring, TX
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in September
Valley Spring, TX

Average wind speed in September - Valley Spring, TX
  • Average wind speed in September: 7mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is September (7mph).

Average humidity in September
Valley Spring, TX

Average humidity in September - Valley Spring, TX
  • Average humidity in September: 65%

The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (56%).

Average rainfall in September
Valley Spring, TX

Average rainfall in September - Valley Spring, TX
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is November (0.94").

Average rainfall days in September
Valley Spring, TX

Average rainfall days in September - Valley Spring, TX
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in September
Valley Spring, TX

Average snowfall in September - Valley Spring, TX
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Valley Spring, TX

Average snowfall days in September - Valley Spring, TX
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Valley Spring, TX

Average daylight in September / Average sunshine in September - Valley Spring, 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 54min).
The months with the least sunshine are November and December (Average sunshine: 5h and 42min).

Average sunshine days in September
Valley Spring, TX

Average sunshine days in September - Valley Spring, TX
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is May (13.2 days).

Average UV index in September
Valley Spring, TX

Average UV index in September - Valley Spring, 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).

Average cloud cover in September
Valley Spring, TX

Average cloud cover in September - Valley Spring, TX
  • Average cloud cover in September: 31

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

Average visibility in September
Valley Spring, TX

Average visibility in September - Valley Spring, 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).

Valley Spring, Texas, USA

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