September weather forecastZavalla, TX
September
Weather in September
September, the first month of the autumn in Zavalla, is still a tropical month, with an average temperature ranging between min 68.2°F (20.1°C) and max 89.1°F (31.7°C).Temperature
With the onset of September, Zavalla experiences a modest temperature adjustment, with the average high-temperature gently receding from a very hot 95.5°F (35.3°C) in August to a tropical 89.1°F (31.7°C). Zavalla usually reports an average low-temperature of 68.2°F (20.1°C) during the month of September.Heat index
September's mean heat index is evaluated at a scorching 105.8°F (41°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.For clarity, heat index numbers account for light winds and areas under shade. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
In September, the average relative humidity in Zavalla is 74%.Rainfall
In Zavalla, Texas, in September, it is raining for 15.9 days, with typically 2.91" (74mm) of accumulated precipitation. In Zavalla, during the entire year, the rain falls for 165.5 days and collects up to 34.72" (882mm) of precipitation.Snowfall
In Zavalla, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 20min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:40 pm. On the last day of September, in Zavalla, sunrise is at 7:11 am and sunset at 7:03 pm CDT.
Sunshine
In Zavalla, Texas, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index in Zavalla is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 6 translates into these guidelines:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. 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. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Zavalla, TX
- Average high temperature in September: 89.1°F
The warmest months (with the highest average high temperature) are July and August (95.5°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in September: 68.2°F
The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).
Average pressure in September
Zavalla, 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 (29.93"Hg).
Average wind speed in September
Zavalla, TX
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.7mph).
Average humidity in September
Zavalla, TX
- Average humidity in September: 74%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Zavalla, TX
- Average rainfall in September: 2.91"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in September
Zavalla, TX
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is November (11 days).
Average snowfall in September
Zavalla, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Zavalla, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.7 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
Zavalla, TX
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Zavalla, TX
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is October (17.9 days).
The months with the least sunshine days are February and June (11.8 days).
Average UV index in September
Zavalla, TX
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Zavalla, TX
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is October (Cloud cover 33).
Average visibility in September
Zavalla, TX
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
