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 tropical 94.6°F (34.8°C) in August to a still hot 88.3°F (31.3°C). An average low-temperature of 67.3°F (19.6°C) is observed during the September nights.Heat index
In September, the average heat index is calculated to be a very hot 100.4°F (38°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. 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 highly critical for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
In Langston, the average relative humidity in September is 70%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.8 days and typically collects 2.36" (60mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:47 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:58 pm CDT.
Sunshine
In Langston, the average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
What is the driest month in Langston?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Langston have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Langston, LA
- Average high temperature in September: 88.3°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 (53.8°F).
- Average low temperature in September: 67.3°F
The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in September
Langston, 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
Langston, LA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are July, August and September (5mph).
Average humidity in September
Langston, LA
- Average humidity in September: 70%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Langston, LA
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (2.36").
Average rainfall days in September
Langston, LA
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is October (10.2 days).
Average snowfall in September
Langston, LA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Langston, LA
- 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
Langston, LA
- 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 0min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).
Average sunshine days in September
Langston, LA
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is August (12.9 days).
Average UV index in September
Langston, LA
- Average UV index in September: 6
The months with the highest UV index are 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
Langston, LA
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility in September
Langston, LA
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Langston, Louisiana, USA
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