September weather forecastSelman City, TX
September
Weather in September
The first month of the autumn, September, is also a hot month in Selman City, Texas, with an average temperature varying between 68°F (20°C) and 88.5°F (31.4°C).Temperature
In Selman City, the average high-temperature in September gently drops from a hot 94.8°F (34.9°C) in August to a still tropical 88.5°F (31.4°C). During September, Selman City's temperature averages to a pleasant 68°F (20°C) at night.Heat index
The heat index value for September is estimated at a very hot 100.4°F (38°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.In the scope of the heat index, its values resonate with shade and light wind conditions. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
In September, the average relative humidity is 69%.Rainfall
In Selman City, during September, the rain falls for 14.2 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, there are 155.5 rainfall days, and 35.51" (902mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
The average length of the day in September in Selman City, Texas, is 12h and 21min.On the first day of September, sunrise is at 6:55 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:05 pm CDT.
Sunshine
In Selman City, the average sunshine in September is 9h.UV index
In Selman City, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Selman City, TX
- Average high temperature in September: 88.5°F
The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (54.7°F).
- Average low temperature in September: 68°F
The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (39°F).
Average pressure in September
Selman City, TX
- Average pressure in September: 29.97"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
Selman City, TX
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is September (5.4mph).
Average humidity in September
Selman City, TX
- Average humidity in September: 69%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Selman City, TX
- Average rainfall in September: 2.28"
The wettest months (with the highest rainfall) are April and October (3.94").
The driest month (with the least rainfall) is August (2.09").
Average rainfall days in September
Selman City, TX
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is January (9.9 days).
Average snowfall in September
Selman City, TX
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.43").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Selman City, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Selman City, 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: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Selman City, TX
- Average sunshine days in September: 14 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in September
Selman City, TX
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in September
Selman City, TX
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Selman City, TX
- Average visibility in September: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
