September weather forecastLexington, TX
September
Weather in September
September, the first month of the autumn in Lexington, is still a tropical month, with an average temperature ranging between min 70.7°F (21.5°C) and max 88.9°F (31.6°C).Temperature
In the transition to September, Lexington observes a minor drop in the average high-temperature, shifting from a sweltering 96.4°F (35.8°C) in August to a tropical 88.9°F (31.6°C). During the nights in September, the temperature averages to an agreeable 70.7°F (21.5°C).Heat index
Throughout September, the heat index is computed to be a very hot 102.2°F (39°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.When referencing the heat index, its values are suitable for shady environments and light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. 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 of high significance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.
Humidity
The average relative humidity in September is 69%.Rainfall
In Lexington, in September, during 14.2 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Lexington, during the entire year, the rain falls for 128.2 days and collects up to 18.74" (476mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
In September, the average length of the day in Lexington, Texas, is 12h and 20min.On the first day of the month, sunrise is at 7:05 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:14 pm CDT.
Sunshine
In Lexington, the average sunshine in September is 8.5h.UV index
In Lexington, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 6 during September translates into these guidelines:
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. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lexington, TX
- Average high temperature in September: 88.9°F
The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is January (58.1°F).
- Average low temperature in September: 70.7°F
The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (42.3°F).
Average pressure in September
Lexington, 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 (29.92"Hg).
Average wind speed in September
Lexington, TX
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).
Average humidity in September
Lexington, TX
- Average humidity in September: 69%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Lexington, TX
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in September
Lexington, TX
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is September (14.2 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in September
Lexington, TX
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Lexington, 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, October and November (0 days).
Average daylight in September /
Average sunshine in September
Lexington, TX
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Lexington, TX
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is September (13.5 days).
Average UV index in September
Lexington, TX
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Lexington, TX
- Average cloud cover in September: 31
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Lexington, 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).
