September weather forecastRoscoe, TX
September
Weather in September
September, the first month of the autumn in Roscoe, is still a tropical month, with an average temperature fluctuating between 86.4°F (30.2°C) and 67.5°F (19.7°C).Temperature
The shift to September brings a decrease in the average high-temperature, falling from a very hot 95.4°F (35.2°C) in August to a tropical 86.4°F (30.2°C). Roscoe throughout September, experiences an average nighttime temperature of 67.5°F (19.7°C).Heat index
The heat index in September is evaluated at a hot 91.4°F (33°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.Always consider that heat index estimations are for light winds and places in the shade. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
The most humid month is September, with an average relative humidity of 57%.Rainfall
In Roscoe, in September, during 11.4 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In Roscoe, during the entire year, the rain falls for 85.5 days and collects up to 14.69" (373mm) of precipitation.Snowfall
In Roscoe, Texas, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September in Roscoe, sunrise is at 7:17 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:27 pm CDT.
Sunshine
In Roscoe, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index in Roscoe, Texas, is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 6 in September leads to these recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Roscoe, TX
- Average high temperature in September: 86.4°F
The warmest month (with the highest average high temperature) is August (95.4°F).
The month with the lowest average high temperature is December (55.8°F).
- Average low temperature in September: 67.5°F
The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in September
Roscoe, 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 (29.85"Hg).
Average wind speed in September
Roscoe, TX
- Average wind speed in September: 10.5mph
The windiest month (with the highest average wind speed) is April (14.6mph).
The calmest month (with the lowest average wind speed) is September (10.5mph).
Average humidity in September
Roscoe, TX
- Average humidity in September: 57%
The month with the highest relative humidity is September (57%).
The month with the lowest relative humidity is August (45%).
Average rainfall in September
Roscoe, TX
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in September
Roscoe, TX
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is September (11.4 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in September
Roscoe, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Roscoe, TX
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (1.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Roscoe, 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 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
Roscoe, TX
- Average sunshine days in September: 16 days
The month with the most sunshine days is January (26.8 days).
The month with the least sunshine days is September (16 days).
Average UV index in September
Roscoe, 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 and December (UV index 3).
Average cloud cover in September
Roscoe, TX
- Average cloud cover in September: 26
The months with the most cloud cover are March, September and December (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Roscoe, 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).





