Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
During the shift to September, a minor reduction in average high-temperature is observed, shifting from 93.6°F (34.2°C) in August to a still tropical 87.1°F (30.6°C). Throughout the month of September, Casa Piedra witnesses an average low-temperature of 70.2°F (21.2°C).Heat index
The heat index value during September is appraised at a hot 87.8°F (31°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. 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' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
The most humid month in Casa Piedra is September, with an average relative humidity of 45%.Rainfall
The month with the most rainfall is September, when the rain falls for 11.9 days and typically aggregates up to 1.18" (30mm) of precipitation.Snowfall
In Casa Piedra, snow does not fall in February through November.Daylight
The average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 7:34 am and sunset at 8:18 pm. On the last day of September, sunrise is at 7:49 am and sunset at 7:43 pm CDT.
Sunshine
In September, the average sunshine in Casa Piedra is 9.5h.UV index
The average daily maximum UV index in September in Casa Piedra is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 6 in September translates into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Casa Piedra in September?
What is the most humid month in Casa Piedra?
What is the average humidity in September in Casa Piedra?
What is the rainiest month in Casa Piedra?
How many days does it rain in September in Casa Piedra?
When it does not snow in Casa Piedra?
How many hours of daylight does Casa Piedra have in September?
When are sunrise and sunset in September in Casa Piedra?
How many hours of sunshine does Casa Piedra have in September?
What is the UV index reading in September in Casa Piedra?
Average temperature in September
Casa Piedra, TX
- Average high temperature in September: 87.1°F
The warmest month (with the highest average high temperature) is June (96.3°F).
The month with the lowest average high temperature is January (61.9°F).
- Average low temperature in September: 70.2°F
The month with the highest average low temperature is July (76.6°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).
Average pressure in September
Casa Piedra, TX
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Casa Piedra, TX
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is December (5.4mph).
Average humidity in September
Casa Piedra, TX
- Average humidity in September: 45%
The month with the highest relative humidity is September (45%).
The month with the lowest relative humidity is April (23%).
Average rainfall in September
Casa Piedra, TX
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is September (1.18").
The driest month (with the least rainfall) is February (0.12").
Average rainfall days in September
Casa Piedra, TX
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (13 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Casa Piedra, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Casa Piedra, TX
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (0.3 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
Casa Piedra, 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: 9h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 8h and 18min).
Average sunshine days in September
Casa Piedra, TX
- Average sunshine days in September: 13.2 days
The months with the most sunshine days are January and December (27.3 days).
The month with the least sunshine days is September (13.2 days).
Average UV index in September
Casa Piedra, TX
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Casa Piedra, TX
- Average cloud cover in September: 20
The month with the most cloud cover is September (Cloud cover 20).
The months with the least cloud cover are May and June (Cloud cover 10).
Average visibility in September
Casa Piedra, 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).
Casa Piedra, Texas, USA
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