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 average high-temperature slightly decreases in September, shifting from a torrid 95.2°F (35.1°C) in August to a tropical 88.9°F (31.6°C). The average temperature in Keithville during September nights dips to an agreeable 68.2°F (20.1°C).Heat index
September's average heat index is estimated at a very hot 102.2°F (39°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. 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.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.
Humidity
In September, the average relative humidity is 68%.Rainfall
In September, the rain falls for 12.9 days. Throughout September, 2.17" (55mm) of precipitation is accumulated. In Keithville, during the entire year, the rain falls for 152.7 days and collects up to 35.98" (914mm) of precipitation.Snowfall
In Keithville, snow does not fall in April through October.Daylight
The average length of the day in September in Keithville, Louisiana, is 12h and 21min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:39 pm. On the last day of September, in Keithville, sunrise is at 7:09 am and sunset at 7:00 pm CDT.
Sunshine
In Keithville, Louisiana, the average sunshine in September is 9.5h.UV index
In Keithville, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
How hot does it get in Keithville in September?
What is the average humidity in September in Keithville?
How much does it rain in Keithville in September?
When it does not snow in Keithville?
What is the average length of the day in September in Keithville?
When is the sunrise / sunset in September in Keithville?
How many hours of sunshine does Keithville have in September?
How high is the UV index in September in Keithville?
Average temperature in September
Keithville, LA
- Average high temperature in September: 88.9°F
The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in September: 68.2°F
The month with the highest average low temperature is July (74.1°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in September
Keithville, LA
- 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
Keithville, LA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest months (with the lowest average wind speed) are July, August and September (5.3mph).
Average humidity in September
Keithville, LA
- Average humidity in September: 68%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Keithville, LA
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is July (1.93").
Average rainfall days in September
Keithville, LA
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in September
Keithville, LA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Keithville, LA
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in September /
Average sunshine in September
Keithville, LA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Keithville, LA
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is February (13 days).
Average UV index in September
Keithville, LA
- 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
Keithville, LA
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Keithville, LA
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Keithville, Louisiana, USA
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