September weather forecastTell, TX
September
Weather in September
September, the first month of the autumn in Tell, is still a hot month, with an average temperature fluctuating between 86.9°F (30.5°C) and 68.2°F (20.1°C).Temperature
In Tell, entering September brings a temperature decrement, reducing from August's fiery hot 96.3°F (35.7°C) to a hot 86.9°F (30.5°C). September witnesses an average nighttime temperature of 68.2°F (20.1°C).Heat index
In September, the average heat index is estimated at a tropical 91.4°F (33°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The months with the highest humidity are September and December, with an average relative humidity of 54%.Rainfall
In Tell, during September, the rain falls for 11.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Tell, during the entire year, the rain falls for 90.4 days and collects up to 17.32" (440mm) of precipitation.Snowfall
In Tell, snow does not fall in May through September.Daylight
In Tell, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:15 am and sunset at 8:07 pm. On the last day of September, sunrise is at 7:35 am and sunset at 7:26 pm CDT.
Sunshine
In September, the average sunshine is 9h.UV index
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 exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. 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
Tell, TX
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is July (96.6°F).
The month with the lowest average high temperature is December (53.2°F).
- Average low temperature in September: 68.2°F
The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).
Average pressure in September
Tell, TX
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Tell, TX
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are January, August and December (9.8mph).
Average humidity in September
Tell, TX
- Average humidity in September: 54%
The months with the highest relative humidity are September and December (54%).
The month with the lowest relative humidity is August (45%).
Average rainfall in September
Tell, TX
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in September
Tell, TX
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is September (11.8 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in September
Tell, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Tell, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tell, TX
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 42min).
Average sunshine days in September
Tell, TX
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is January (26.8 days).
The month with the least sunshine days is September (14.5 days).
Average UV index in September
Tell, TX
- Average UV index in September: 6
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in September
Tell, TX
- Average cloud cover in September: 23
The month with the most cloud cover is March (Cloud cover 25).
The month with the least cloud cover is June (Cloud cover 16).
Average visibility in September
Tell, 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).





