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 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
Carlisle observes an average high-temperature of a still hot 86.5°F (30.3°C) in September, barely different from 89.2°F (31.8°C) in August. Carlisle witnesses an average low-temperature of 75.4°F (24.1°C) throughout the month of September.Heat index
September's average heat index is evaluated at a fiery hot 98.6°F (37°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.Heat index evaluations are typically in the context of light winds and shaded environments. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. 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. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
The average relative humidity in September in Carlisle is 74%.Rainfall
In September, the rain falls for 15.7 days. Throughout September, 1.1" (28mm) of precipitation is accumulated. In Carlisle, during the entire year, the rain falls for 137.6 days and collects up to 14.84" (377mm) of precipitation.Snowfall
February through December are months without snowfall in Carlisle.Daylight
The average length of the day in September in Carlisle is 12h and 20min.On the first day of September, sunrise is at 6:37 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:46 pm CDT.
Sunshine
The average sunshine in September in Carlisle is 10.3h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the UV index of 7 transforms into the following advice:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
How hot is it in Carlisle in September?
What is the average humidity in September in Carlisle?
How many days does it rain in September in Carlisle?
When it does not snow in Carlisle?
What is the average length of the day in September in Carlisle?
When are sunrise and sunset in September in Carlisle?
How long on average sun shines in September in Carlisle?
When is the highest UV index in Carlisle?
How high is the UV index in September in Carlisle?
Average temperature in September
Carlisle, LA
- Average high temperature in September: 86.5°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (60.6°F).
- Average low temperature in September: 75.4°F
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (48.6°F).
Average pressure in September
Carlisle, LA
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed in September
Carlisle, LA
- Average wind speed in September: 6.6mph
The windiest months (with the highest average wind speed) are February and April (9.3mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in September
Carlisle, LA
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Carlisle, LA
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is July (2.72").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in September
Carlisle, LA
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is August (20 days).
The month with the least rainy days is November (5.8 days).
Average snowfall days in September
Carlisle, LA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Carlisle, LA
- 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: 10h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Carlisle, LA
- Average sunshine days in September: 10.4 days
The month with the most sunshine days is November (22 days).
The month with the least sunshine days is August (7.8 days).
Average UV index in September
Carlisle, LA
- Average UV index in September: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Carlisle, LA
- Average cloud cover in September: 24
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 23).
Average visibility in September
Carlisle, LA
- 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).
Carlisle, Louisiana, USA
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