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
During the shift to September, a minor reduction in average high-temperature is observed, shifting from 94.6°F (34.8°C) in August to a still hot 88.9°F (31.6°C). In Jasper, an average temperature of 68.7°F (20.4°C) is noted during September nights.Heat index
For September, the heat index is calculated to be a scorching 105.8°F (41°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. 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 body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
In Jasper, the average relative humidity in September is 75%.Rainfall
In September, in Jasper, the rain falls for 15.7 days. Throughout September, 3.07" (78mm) of precipitation is accumulated. Throughout the year, there are 169.9 rainfall days, and 35.83" (910mm) of precipitation is accumulated.Snowfall
January through March, September and December are months with snowfall. September is the first month it typically snows in Jasper. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Jasper, there are 1 snowfall days, and 0.79" (20mm) of snow is accumulated.Daylight
In Jasper, the average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 6:52 am and sunset at 7:38 pm. On the last day of September, in Jasper, sunrise is at 7:09 am and sunset at 7:01 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index in Jasper 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: An average maximum UV index of 6 in September leads to these recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. 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. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How hot does it get in Jasper in September?
What is the average humidity in September in Jasper?
How much does it rain in Jasper in September?
When does it start to snow in Jasper?
How many hours of daylight does Jasper have in September?
What time are sunrise and sunset in September in Jasper?
How many hours of sunshine does Jasper have in September?
How high is the UV index in September in Jasper?
Average temperature in September
Jasper, TX
- Average high temperature in September: 88.9°F
The warmest months (with the highest average high temperature) are July and August (94.6°F).
The month with the lowest average high temperature is January (57.7°F).
- Average low temperature in September: 68.7°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).
Average pressure in September
Jasper, 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
Jasper, TX
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in September
Jasper, TX
- Average humidity in September: 75%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Jasper, TX
- Average rainfall in September: 3.07"
The wettest month (with the highest rainfall) is August (4.25").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in September
Jasper, TX
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is August (17.7 days).
The months with the least rainy days are January and October (11.1 days).
Average snowfall in September
Jasper, TX
- Average snowfall in September: 0.04"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, October and November (0").
Average snowfall days in September
Jasper, TX
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, October and November (0 days).
Average daylight in September /
Average sunshine in September
Jasper, TX
- Average daylight in September: 12h and 2min
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 5min
The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in September
Jasper, TX
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
Jasper, 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
Jasper, TX
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is October (Cloud cover 35).
Average visibility in September
Jasper, 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).
Jasper, Texas, USA
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