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
September observes an average high-temperature of a still tropical 86.7°F (30.4°C), marking an insignificant difference from August's 90.1°F (32.3°C). Mestayer's nighttime temperature in September drops to an average of 70.7°F (21.5°C).Heat index
In September, the average heat index is appraised at a sweltering 102.2°F (39°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Note that heat index values are valued for light wind and location in the shade. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
The average relative humidity in September is 79%.Rainfall
In September, in Mestayer, the rain falls for 14.7 days. Throughout September, 1.06" (27mm) of precipitation is accumulated. Throughout the year, there are 139.5 rainfall days, and 15.47" (393mm) of precipitation is accumulated.Snowfall
February through November are months without snowfall.Daylight
In Mestayer, the average length of the day in September is 12h and 20min.On the first day of September in Mestayer, sunrise is at 6:44 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:53 pm CDT.
Sunshine
In Mestayer, the average sunshine in September is 10h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Mestayer, LA
- Average high temperature in September: 86.7°F
The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (59°F).
- Average low temperature in September: 70.7°F
The months with the highest average low temperature are July and August (75°F).
The coldest month (with the lowest average low temperature) is January (44.4°F).
Average pressure in September
Mestayer, LA
- Average pressure in September: 29.96"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 (29.96"Hg).
Average wind speed in September
Mestayer, LA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Mestayer, LA
- Average humidity in September: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Mestayer, LA
- Average rainfall in September: 1.06"
The wettest months (with the highest rainfall) are July and August (2.44").
The driest month (with the least rainfall) is March (0.63").
Average rainfall days in September
Mestayer, LA
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is August (19 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in September
Mestayer, LA
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Mestayer, LA
- Average snowfall days in September: 0.1 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, October and November (0 days).
Average daylight in September /
Average sunshine in September
Mestayer, LA
- 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: 10h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Mestayer, LA
- Average sunshine days in September: 11.4 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is August (8.2 days).
Average UV index in September
Mestayer, LA
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Mestayer, LA
- Average cloud cover in September: 28
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 25).
Average visibility in September
Mestayer, 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).
Mestayer, Louisiana, USA
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