September weather forecastCasa Blanca, TX
September
Weather in September
The first month of the autumn, September, is still a hot month in Casa Blanca, Texas, with an average temperature ranging between max 90.1°F (32.3°C) and min 75.2°F (24°C).Temperature
Casa Blanca in September experiences a gentle temperature dip, with average high-temperatures reducing from a sweltering 96.1°F (35.6°C) in August to a tropical 90.1°F (32.3°C). Casa Blanca observes an average nighttime temperature of 75.2°F (24°C) during September.Heat index
September's mean heat index is estimated at a blisteringly hot 105.8°F (41°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.Understanding the heat index involves considering values for shaded locales with light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. 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 Casa Blanca, the average relative humidity in September is 70%.Rainfall
The month with the most rainfall in Casa Blanca is September, when the rain falls for 17.1 days and typically aggregates up to 2.48" (63mm) of precipitation.Snowfall
In Casa Blanca, snow does not fall in February through December.Daylight
The average length of the day in September is 12h and 19min.On the first day of September in Casa Blanca, sunrise is at 7:10 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:18 pm CDT.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 6 during September leads to these advisories:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Casa Blanca, TX
- Average high temperature in September: 90.1°F
The warmest month (with the highest average high temperature) is August (96.1°F).
The month with the lowest average high temperature is January (64.4°F).
- Average low temperature in September: 75.2°F
The month with the highest average low temperature is August (78.1°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).
Average pressure in September
Casa Blanca, TX
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Casa Blanca, TX
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is May (10.7mph).
The calmest month (with the lowest average wind speed) is September (8mph).
Average humidity in September
Casa Blanca, TX
- Average humidity in September: 70%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Casa Blanca, TX
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is September (2.48").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in September
Casa Blanca, TX
- Average rainfall days in September: 17.1 days
The month with the highest number of rainy days is September (17.1 days).
The months with the least rainy days are July and August (8.3 days).
Average snowfall in September
Casa Blanca, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Casa Blanca, TX
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Casa Blanca, TX
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Casa Blanca, TX
- Average sunshine days in September: 10.9 days
The month with the most sunshine days is July (20.9 days).
The month with the least sunshine days is September (10.9 days).
Average UV index in September
Casa Blanca, TX
- Average UV index in September: 6
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Casa Blanca, TX
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Casa Blanca, 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).
