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
The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a fiery hot 98.1°F (36.7°C) in August to a tropical 90.3°F (32.4°C). The low-temperature averages to a pleasant 73°F (22.8°C) during the nights of September.Heat index
In September, the average heat index is evaluated at an extremely hot 104°F (40°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
In Jourdanton, the average relative humidity in September is 67%.Rainfall
In September, in Jourdanton, the rain falls for 15.2 days. Throughout September, 2.4" (61mm) of precipitation is accumulated. In Jourdanton, during the entire year, the rain falls for 121 days and collects up to 15.79" (401mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
In September, the average length of the day is 12h and 19min.On the first day of September, sunrise is at 7:12 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:20 pm CDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
The average daily maximum UV index in September in Jourdanton is 6. A UV Index of 6 to 7 symbolizes 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:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
How hot is it in Jourdanton in September?
What is the average humidity in September in Jourdanton?
How much does it rain in Jourdanton in September?
When it does not snow in Jourdanton?
What is the average length of the day in September in Jourdanton?
When are sunrise and sunset in September in Jourdanton?
How many hours of sunshine does Jourdanton have in September?
How high is the UV index in September in Jourdanton?
Average temperature in September
Jourdanton, TX
- Average high temperature in September: 90.3°F
The warmest month (with the highest average high temperature) is August (98.1°F).
The month with the lowest average high temperature is January (62.8°F).
- Average low temperature in September: 73°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (45.7°F).
Average pressure in September
Jourdanton, TX
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Jourdanton, TX
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is May (9.7mph).
The calmest month (with the lowest average wind speed) is September (7mph).
Average humidity in September
Jourdanton, TX
- Average humidity in September: 67%
The months with the highest relative humidity are March and May (72%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Jourdanton, TX
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in September
Jourdanton, TX
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is September (15.2 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in September
Jourdanton, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Jourdanton, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Jourdanton, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Jourdanton, TX
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is September (13.7 days).
Average UV index in September
Jourdanton, TX
- Average UV index in September: 6
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Jourdanton, TX
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Jourdanton, 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).
Jourdanton, Texas, USA
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