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
A subtle shift in Wimberley's weather is observed as August turns into September, with the average high temperature reducing from a sweltering 95°F (35°C) to a tropical 87.3°F (30.7°C). Wimberley's nighttime temperature in September falls to an average of 69.4°F (20.8°C).Heat index
The heat index value for September is evaluated at a fiery hot 98.6°F (37°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.
Humidity
The average relative humidity in September in Wimberley is 70%.Rainfall
In Wimberley, during September, the rain falls for 15.9 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Wimberley, during the entire year, the rain falls for 138 days and collects up to 17.87" (454mm) of precipitation.Snowfall
March through November are months without snowfall.Daylight
In Wimberley, the average length of the day in September is 12h and 20min.On the first day of September, sunrise is at 7:09 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:18 pm CDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 6 in September suggests the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full 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
How hot is it in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Wimberley have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September in Wimberley?
What is the UV index intensity in September?
Average temperature in September
Wimberley, TX
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (59°F).
- Average low temperature in September: 69.4°F
The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure in September
Wimberley, TX
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Wimberley, TX
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is March (9.5mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).
Average humidity in September
Wimberley, TX
- Average humidity in September: 70%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Wimberley, TX
- Average rainfall in September: 2.6"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in September
Wimberley, TX
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is September (15.9 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in September
Wimberley, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Wimberley, TX
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Wimberley, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The months with the least sunshine are November and December (Average sunshine: 5h and 18min).
Average sunshine days in September
Wimberley, TX
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is January (21 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Wimberley, 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 3).
Average cloud cover in September
Wimberley, TX
- Average cloud cover in September: 36
The month with the most cloud cover is May (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Wimberley, 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).
Wimberley, Texas, USA
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