September weather forecastCarlton, TX
September
Weather in September
September, the first month of the autumn in Carlton, is still a tropical month, with an average temperature ranging between max 86.9°F (30.5°C) and min 69.3°F (20.7°C).Temperature
September witnesses a gentle descent in average high-temperature, descending from August's very hot 95.2°F (35.1°C) to a tropical 86.9°F (30.5°C). Carlton observes an average nighttime low-temperature of 69.3°F (20.7°C) during the month of September.Heat index
The average heat index in September is estimated at a fiery hot 95°F (35°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Observations indicate that the heat index values are for shady locations with light wind. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
The average relative humidity in September is 63%.Rainfall
In Carlton, during September, the rain falls for 14 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, there are 124 rainfall days, and 22.99" (584mm) of precipitation is accumulated.Snowfall
In Carlton, snow does not fall in April through October.Daylight
In Carlton, the average length of the day in September is 12h and 21min.On the first day of September, sunrise is at 7:08 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:18 pm CDT.
Sunshine
In Carlton, Texas, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Carlton, TX
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is August (95.2°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in September: 69.3°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 (39.7°F).
Average pressure in September
Carlton, 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 (29.9"Hg).
Average wind speed in September
Carlton, TX
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is March (11.5mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).
Average humidity in September
Carlton, TX
- Average humidity in September: 63%
The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Carlton, TX
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in September
Carlton, TX
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Carlton, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Carlton, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Carlton, TX
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Carlton, TX
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is January (24 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in September
Carlton, 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
Carlton, TX
- Average cloud cover in September: 29
The months with the most cloud cover are March and May (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Carlton, 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).





