September weather forecast
Bulverde, TX

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Weather in September

September, the first month of the autumn in Bulverde, is still a tropical month, with an average temperature fluctuating between 87.1°F (30.6°C) and 69.3°F (20.7°C).

Temperature

Bulverde in September undergoes a slight reduction in the average high-temperature, shifting from August's 94.5°F (34.7°C) to a still tropical 87.1°F (30.6°C). In the month of September, the nighttime temperature dips to a steady average of 69.3°F (20.7°C).

Heat index

The average heat index in September is computed to be a fiery hot 96.8°F (36°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The average relative humidity in September in Bulverde is 69%.

Rainfall

In Bulverde, during September, the rain falls for 16.5 days and regularly aggregates up to 3.46" (88mm) of precipitation. Throughout the year, there are 151.4 rainfall days, and 24.49" (622mm) of precipitation is accumulated.

Snowfall

In Bulverde, snow does not fall in March through December.

Daylight

In Bulverde, the average length of the day in September is 12h and 20min.
On the first day of September, sunrise is at 7:11 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:20 pm CDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 6 during September translates into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

Is it hot in Bulverde during September?

September temperatures in Bulverde vary between a high-temperature of 87.1°F (30.6°C) and a low-temperature of 69.3°F (20.7°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in September is computed to be 96.8°F (36°C).

What is the average humidity in September in Bulverde?

The average relative humidity in September is 69%.

How many days does it rain in September in Bulverde?

In September, in Bulverde, the rain falls for 16.5 days. Throughout September, 3.46" (88mm) of precipitation is accumulated.

When it does not snow in Bulverde?

In Bulverde, Texas, snow does not fall in March through December.

How many hours of daylight does Bulverde have in September?

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

When are sunrise and sunset in September in Bulverde?

On the first day of September, sunrise is at 7:11 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:20 pm CDT.

How many hours of sunshine does Bulverde have in September?

The average sunshine duration in September is 8.5h.

How high is the UV index in September in Bulverde?

The average daily maximum UV index in September in Bulverde is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's 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
Bulverde, TX

Average temperature in September - Bulverde, TX
  • Average high temperature in September: 87.1°F

The warmest month (with the highest average high temperature) is August (94.5°F).
The month with the lowest average high temperature is January (59.5°F).

  • Average low temperature in September: 69.3°F

The month with the highest average low temperature is August (73.6°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).

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Average pressure in September
Bulverde, TX

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in September
Bulverde, TX

Average wind speed in September - Bulverde, TX
  • Average wind speed in September: 6.5mph

The windiest months (with the highest average wind speed) are March and April (9.4mph).
The calmest month (with the lowest average wind speed) is September (6.5mph).

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Average humidity in September
Bulverde, TX

Average humidity in September - Bulverde, TX
  • Average humidity in September: 69%

The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (61%).

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Average rainfall in September
Bulverde, TX

Average rainfall in September - Bulverde, TX
  • Average rainfall in September: 3.46"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (1.1").

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Average rainfall days in September
Bulverde, TX

Average rainfall days in September - Bulverde, TX
  • Average rainfall days in September: 16.5 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.8 days).

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Average snowfall in September
Bulverde, TX

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

The months with the highest snowfall are January and 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
Bulverde, TX

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

The month with the highest number of snowfall days is February (0.5 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
Bulverde, TX

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

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are November and December (Average sunshine: 5h and 30min).

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Average sunshine days in September
Bulverde, TX

Average sunshine days in September - Bulverde, TX
  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in September
Bulverde, TX

Average UV index in September - Bulverde, 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
Bulverde, TX

Average cloud cover in September - Bulverde, TX
  • Average cloud cover in September: 34

The months with the most cloud cover are March and May (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in September
Bulverde, TX

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

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