September weather forecast
Canyon Lake, TX

Weather in September

September, the first month of the autumn in Canyon Lake, is still a tropical month, with temperature in the range of an average high of 87.3°F (30.7°C) and an average low of 69.6°F (20.9°C).

Temperature

In September, the average high-temperature slightly decreases from a hot 94.6°F (34.8°C) in August to a still tropical 87.3°F (30.7°C). The average low-temperature, in Canyon Lake, is 69.6°F (20.9°C).

Heat index

The average heat index in September is calculated to be a torrid 98.2°F (36.8°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. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'feels like', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, pregnancy, clothing), and activity. 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. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 99.5°F (37.5°C) to 100.9°F (38.3°C), thermal conditions are potentially life-threatening.

Humidity

In Canyon Lake, the average relative humidity in September is 70%.

Rainfall

In Canyon Lake, Texas, it is raining for 14.7 days, with typically 2.76" (70mm) of accumulated precipitation. In Canyon Lake, during the entire year, the rain falls for 146.4 days and collects up to 22.76" (578mm) of precipitation.

Snowfall

March through December are months without snowfall in Canyon Lake.

Daylight

In September, the average length of the day in Canyon Lake is 12h and 20min.
On the first day of the month, sunrise is at 7:10 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:19 pm CDT.

Sunshine

The average sunshine in September in Canyon Lake is 8.4h.

UV index

The average daily maximum UV index in September in Canyon Lake, Texas, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Canyon Lake?

In September, in Canyon Lake, the average high-temperature is 87.3°F (30.7°C), and the average low-temperature is 69.6°F (20.9°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in September is calculated to be 98.2°F (36.8°C).

What is the average humidity in September in Canyon Lake?

In Canyon Lake, the average relative humidity in September is 70%.

How much does it rain in Canyon Lake in September?

In Canyon Lake, Texas, in September, during 14.7 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

When it does not snow in Canyon Lake?

March through December are months without snowfall.

How many hours of daylight does Canyon Lake have in September?

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

What time are sunrise and sunset in September in Canyon Lake?

In September, on the first day of the month, sunrise is at 7:10 am and sunset at 7:55 pm. On the last day of the month, in Canyon Lake, Texas, sunrise is at 7:25 am and sunset at 7:19 pm CDT.

How many hours of sunshine does Canyon Lake have in September?

The average sunshine duration in September is 8.4h.

How high is the UV index in September in Canyon Lake?

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in September
Canyon Lake, TX

Average temperature in September - Canyon Lake, TX
  • Average high temperature in September: 87.3°F

The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in September: 69.6°F

The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).

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Average pressure in September
Canyon Lake, TX

Average pressure in September - Canyon Lake, 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 (29.9"Hg).

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Average wind speed in September
Canyon Lake, TX

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

The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).

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Average humidity in September
Canyon Lake, TX

Average humidity in September - Canyon Lake, TX
  • Average humidity in September: 70%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (62%).

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Average rainfall in September
Canyon Lake, TX

Average rainfall in September - Canyon Lake, TX
  • Average rainfall in September: 2.76"

The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is February (0.91").

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Average rainfall days in September
Canyon Lake, TX

Average rainfall days in September - Canyon Lake, TX
  • Average rainfall days in September: 14.7 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in September
Canyon Lake, TX

Average snowfall in September - Canyon Lake, TX
  • Average snowfall in September: 0"

The months with the highest snowfall are January and February (0.08").
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
Canyon Lake, TX

Average snowfall days in September - Canyon Lake, TX
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Canyon Lake, TX

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

The month with the longest days is June (Average daylight: 14h and 2min).
The month with the shortest days is December (Average daylight: 10h and 16min).

  • Average sunshine in September: 8.4h

The month with the most sunshine is July (Average sunshine: 10.2h).
The month with the least sunshine is December (Average sunshine: 5.4h).

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Average sunshine days in September
Canyon Lake, TX

Average sunshine days in September - Canyon Lake, TX
  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is May (10 days).

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Average UV index in September
Canyon Lake, TX

Average UV index in September - Canyon Lake, 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
Canyon Lake, TX

Average cloud cover in September - Canyon Lake, TX
  • Average cloud cover in September: 34

The months with the most cloud cover are March and May (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in September
Canyon Lake, TX

Average visibility in September - Canyon Lake, 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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