September weather forecastAnnetta South, TX
September
Weather in September
The first month of the autumn, September, is still a tropical month in Annetta South, Texas, with temperature in the range of an average high of 86.9°F (30.5°C) and an average low of 68.4°F (20.2°C).Temperature
With the arrival of September, Annetta South notices a mild change in the average high-temperature, sliding from August's sweltering 95.2°F (35.1°C) to a tropical 86.9°F (30.5°C). In the month of September, an average of 68.4°F (20.2°C) marks the low-temperature.Heat index
In September, the average heat index is evaluated at a torrid 95°F (35°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.
Humidity
In September, the average relative humidity is 64%.Rainfall
In Annetta South, in September, it is raining for 13.4 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, in Annetta South, there are 127.7 rainfall days, and 26.46" (672mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Annetta South is 12h and 22min.On the first day of September in Annetta South, Texas, sunrise is at 7:05 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:16 pm CDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In Annetta South, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 6 in September leads to these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full 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
Annetta South, TX
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is August (95.2°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in September: 68.4°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in September
Annetta South, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Annetta South, TX
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is September (7mph).
Average humidity in September
Annetta South, TX
- Average humidity in September: 64%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (55%).
Average rainfall in September
Annetta South, TX
- Average rainfall in September: 2.6"
The wettest month (with the highest rainfall) is October (3.58").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in September
Annetta South, TX
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in September
Annetta South, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Annetta South, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Annetta South, TX
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Annetta South, TX
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is September (14.5 days).
Average UV index in September
Annetta South, TX
- Average UV index in September: 6
The months with the highest UV index are 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
Annetta South, TX
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Annetta South, 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).
