September weather forecastThompsons, TX
September
Weather in September
September, the first month of the autumn in Thompsons, is still a tropical month, with an average temperature varying between 87.4°F (30.8°C) and 72.9°F (22.7°C).Temperature
Thompsons measures an average high-temperature of a still tropical 87.4°F (30.8°C) in September, nearly consistent with the preceding month. September brings an average low-temperature of 72.9°F (22.7°C) to Thompsons.Heat index
For September, the heat index is appraised at a torrid 102.2°F (39°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.Heat index data is primarily for areas with shade and subjected to light winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
In Thompsons, the average relative humidity in September is 77%.Rainfall
The month with the most rainfall in Thompsons, Texas, is September, when the rain falls for 14.3 days and typically aggregates up to 1.89" (48mm) of precipitation.Snowfall
In Thompsons, snow does not fall in March through December.Daylight
In Thompsons, the average length of the day in September is 12h and 20min.On the first day of September, sunrise is at 7:00 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:08 pm CDT.
Sunshine
In Thompsons, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 6 in September transforms into this advice:
Take precautions against overexposure. Protection against sun damage is needed. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. 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
Thompsons, TX
- Average high temperature in September: 87.4°F
The warmest month (with the highest average high temperature) is August (92.8°F).
The month with the lowest average high temperature is January (61.3°F).
- Average low temperature in September: 72.9°F
The months with the highest average low temperature are July and August (76.6°F).
The coldest month (with the lowest average low temperature) is January (46°F).
Average pressure in September
Thompsons, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Thompsons, TX
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is September (6mph).
Average humidity in September
Thompsons, TX
- Average humidity in September: 77%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Thompsons, TX
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is September (1.89").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in September
Thompsons, TX
- Average rainfall days in September: 14.3 days
The months with the highest number of rainy days are July and September (14.3 days).
The month with the least rainy days is February (7.2 days).
Average snowfall days in September
Thompsons, 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
Thompsons, TX
- Average daylight in September: 12h and 18min
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 24min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in September
Thompsons, TX
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in September
Thompsons, 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
Thompsons, TX
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Thompsons, 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).





