Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In the transition to September, Sterley observes a minor drop in the average high-temperature, shifting from a hot 91.9°F (33.3°C) in August to a moderately hot 82.9°F (28.3°C). Sterley experiences an average low-temperature of 63.5°F (17.5°C) in the month of September.Heat index
September's average heat index is computed to be a tropical 86°F (30°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. 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. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
With an average relative humidity of 58%, September is the most humid month.Rainfall
The month with the most rainfall is September, when the rain falls for 12.4 days and typically aggregates up to 2.32" (59mm) of precipitation.Snowfall
In Sterley, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September in Sterley, sunrise is at 7:19 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:30 pm CDT.
Sunshine
The average sunshine in September in Sterley is 9h.UV index
In September, the average daily maximum UV index in Sterley 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: In September, the average maximum UV index of 6 translates into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
How hot does it get in Sterley in September?
What is the most humid month in Sterley?
What is the average humidity in September in Sterley?
What is the rainiest month in Sterley?
How many days does it rain in September in Sterley?
When it does not snow in Sterley?
Does it snow in Sterley in September?
What is the average length of the day in September in Sterley?
What time are sunrise and sunset in September in Sterley?
How many hours of sunshine does Sterley have in September?
What is the UV index intensity in September in Sterley?
Average temperature in September
Sterley, TX
- Average high temperature in September: 82.9°F
The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is December (51.6°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in September
Sterley, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Sterley, TX
- Average wind speed in September: 10.3mph
The windiest month (with the highest average wind speed) is April (13.8mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).
Average humidity in September
Sterley, TX
- Average humidity in September: 58%
The month with the highest relative humidity is September (58%).
The month with the lowest relative humidity is April (42%).
Average rainfall in September
Sterley, TX
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is September (2.32").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in September
Sterley, TX
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in September
Sterley, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Sterley, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.1 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
Sterley, TX
- Average daylight in September: 12h and 2min
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 36min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Sterley, TX
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is January (26.5 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in September
Sterley, TX
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Sterley, TX
- Average cloud cover in September: 24
The month with the most cloud cover is September (Cloud cover 24).
The months with the least cloud cover are June and August (Cloud cover 16).
Average visibility in September
Sterley, 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).
Sterley, Texas, USA
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