September weather forecastSalineno, TX
September
Weather in September
September, the first month of the autumn in Salineno, is still a tropical month, with an average temperature fluctuating between 77.2°F (25.1°C) and 93°F (33.9°C).Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from a torrid 100.6°F (38.1°C) in August to a hot 93°F (33.9°C). Salineno's average low-temperature in the month of September is recorded at a warm 77.2°F (25.1°C).Heat index
September's average heat index is evaluated at an extremely hot 107.6°F (42°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
In September, the average relative humidity is 61%.Rainfall
September is the month with the most rainfall. Rain falls for 14.5 days and accumulates 2.28" (58mm) of precipitation.Snowfall
In Salineno, snow does not fall in February through December.Daylight
The average length of the day in September in Salineno is 12h and 18min.On the first day of September, sunrise is at 7:16 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:23 pm CDT.
Sunshine
In Salineno, the average sunshine in September is 8.5h.UV index
In Salineno, Texas, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 7 during September translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Salineno, TX
- Average high temperature in September: 93°F
The warmest month (with the highest average high temperature) is August (100.6°F).
The month with the lowest average high temperature is January (69.8°F).
- Average low temperature in September: 77.2°F
The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (52.7°F).
Average pressure in September
Salineno, TX
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is May (29.86"Hg).
Average wind speed in September
Salineno, TX
- Average wind speed in September: 10.2mph
The windiest month (with the highest average wind speed) is July (14.4mph).
The calmest month (with the lowest average wind speed) is December (9.1mph).
Average humidity in September
Salineno, TX
- Average humidity in September: 61%
The month with the highest relative humidity is December (63%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Salineno, TX
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is September (2.28").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in September
Salineno, TX
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is September (14.5 days).
The month with the least rainy days is February (5.4 days).
Average snowfall days in September
Salineno, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Salineno, TX
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in September: 8h and 30min
The months with the most sunshine are June and July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in September
Salineno, TX
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is December (24.1 days).
The month with the least sunshine days is September (13.9 days).
Average UV index in September
Salineno, TX
- Average UV index in September: 7
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in September
Salineno, TX
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Salineno, 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).





