September weather forecastSandjack, TX
September
Weather in September
September, the first month of the autumn in Sandjack, is still a tropical month, with an average temperature varying between 88.9°F (31.6°C) and 69.1°F (20.6°C).Temperature
A moderate decline in average high-temperatures is noted in September, moving from a tropical 94.5°F (34.7°C) in August to a still hot 88.9°F (31.6°C). In September, Sandjack experiences an average nighttime temperature of 69.1°F (20.6°C).Heat index
The heat index value for September is evaluated at a blisteringly hot 105.8°F (41°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Realize that the values for the heat index are set for shaded places and light winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.
Humidity
In September, the average relative humidity in Sandjack is 76%.Rainfall
In Sandjack, during September, the rain falls for 16.8 days and regularly aggregates up to 3.07" (78mm) of precipitation. In Sandjack, during the entire year, the rain falls for 175 days and collects up to 35.28" (896mm) of precipitation.Snowfall
In Sandjack, snow does not fall in March 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 6:51 am and sunset at 7:37 pm. On the last day of September, in Sandjack, Texas, sunrise is at 7:08 am and sunset at 7:00 pm CDT.
Sunshine
In September, the average sunshine in Sandjack is 8.9h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sandjack, TX
- Average high temperature in September: 88.9°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is January (58.5°F).
- Average low temperature in September: 69.1°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in September
Sandjack, 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
Sandjack, TX
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in September
Sandjack, TX
- Average humidity in September: 76%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Sandjack, TX
- Average rainfall in September: 3.07"
The wettest month (with the highest rainfall) is August (4.33").
The driest months (with the least rainfall) are February and November (2.13").
Average rainfall days in September
Sandjack, TX
- Average rainfall days in September: 16.8 days
The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is November (10.9 days).
Average snowfall in September
Sandjack, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Sandjack, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Sandjack, 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 54min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Sandjack, TX
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is August (9.4 days).
Average UV index in September
Sandjack, TX
- Average UV index in September: 6
The months with the highest UV index are May, 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
Sandjack, TX
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is October (Cloud cover 33).
Average visibility in September
Sandjack, 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).
