September weather forecastSterling City, TX
September
Weather in September
September, the first month of the autumn in Sterling City, is still a hot month, with an average temperature ranging between max 87.1°F (30.6°C) and min 68.7°F (20.4°C).Temperature
Sterling City's progression into September involves a minor drop in the average high-temperature, slightly receding from a fiery hot 95.5°F (35.3°C) in August to a hot 87.1°F (30.6°C). Sterling City in September anticipates an average nighttime temperature of 68.7°F (20.4°C).Heat index
Throughout September, the heat index is evaluated at a tropical 91.4°F (33°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.Always consider that heat index estimations are for light winds and places in the shade. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. 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 highly critical to babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
September and November, with an average relative humidity of 57%, are the most humid months.Rainfall
In Sterling City, during September, the rain falls for 11.3 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Sterling City, during the entire year, the rain falls for 89.1 days and collects up to 15.59" (396mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 21min.On the first day of September, sunrise is at 7:19 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:29 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sterling City, TX
- Average high temperature in September: 87.1°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The months with the lowest average high temperature are January and December (57.4°F).
- Average low temperature in September: 68.7°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 (38.1°F).
Average pressure in September
Sterling City, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Sterling City, TX
- Average wind speed in September: 9.7mph
The windiest month (with the highest average wind speed) is April (13.5mph).
The calmest month (with the lowest average wind speed) is September (9.7mph).
Average humidity in September
Sterling City, TX
- Average humidity in September: 57%
The months with the highest relative humidity are September and November (57%).
The month with the lowest relative humidity is August (46%).
Average rainfall in September
Sterling City, TX
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Sterling City, TX
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in September
Sterling City, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Sterling City, 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
Sterling City, TX
- Average daylight in September: 12h and 18min
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 48min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in September
Sterling City, TX
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is January (26.3 days).
The month with the least sunshine days is September (16.1 days).
Average UV index in September
Sterling 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 month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Sterling City, TX
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Sterling City, 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).
