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
With the onset of September, Hallsville's climate undergoes a slight change as the average high-temperature moves from a hot 94.8°F (34.9°C) in August to a still tropical 88.5°F (31.4°C). Hallsville, during the nights of September, experiences an average temperature drop to a comfortable 67.3°F (19.6°C).Heat index
The heat index in September is calculated to be a very hot 100.4°F (38°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial 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.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. 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. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
In Hallsville, the average relative humidity in September is 69%.Rainfall
In September, the rain falls for 10.6 days. Throughout September, 0.94" (24mm) of precipitation is accumulated. Throughout the year, in Hallsville, there are 109.9 rainfall days, and 14.53" (369mm) of precipitation is accumulated.Snowfall
In Hallsville, snow does not fall in March through December.Daylight
In Hallsville, the average length of the day in September is 12h and 22min.On the first day of September in Hallsville, sunrise is at 6:53 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:03 pm CDT.
Sunshine
In September, the average sunshine in Hallsville is 9.2h.UV index
In September, the average daily maximum UV index in Hallsville is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 6 in September translates into these instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
How hot does it get in Hallsville in September?
What is the average humidity in September in Hallsville?
How many days does it rain in September in Hallsville?
When it does not snow in Hallsville?
How many hours of daylight does Hallsville have in September?
What time are sunrise and sunset in September in Hallsville?
How long on average sun shines in September in Hallsville?
What is the UV index intensity in September in Hallsville?
Average temperature in September
Hallsville, TX
- Average high temperature in September: 88.5°F
The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in September: 67.3°F
The months with the highest average low temperature are July and August (73.2°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in September
Hallsville, TX
- Average pressure in September: 29.98"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
Hallsville, TX
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).
Average humidity in September
Hallsville, TX
- Average humidity in September: 69%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Hallsville, TX
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is April (1.69").
The driest month (with the least rainfall) is November (0.79").
Average rainfall days in September
Hallsville, TX
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is June (11.2 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in September
Hallsville, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Hallsville, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.2 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
Hallsville, TX
- Average daylight in September: 12h and 2min
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 6min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Hallsville, TX
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is June (15.8 days).
Average UV index in September
Hallsville, TX
- Average UV index in September: 6
The months with the highest UV index are May, 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
Hallsville, TX
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Hallsville, TX
- Average visibility in September: 6mi
The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).
Hallsville, Texas, USA
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