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 a torrid 95.5°F (35.3°C) in August to a tropical 89.2°F (31.8°C). Elm Grove temperatures generally rest at a low of 68.2°F (20.1°C) during the September nights.Heat index
Throughout September, the heat index is estimated at a fiery hot 102.2°F (39°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.Note that heat index values are valued for light wind and location in the shade. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital 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.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. 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. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.
Humidity
In September, the average relative humidity is 68%.Rainfall
In Elm Grove, Louisiana, in September, during 12.7 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 151.1 rainfall days, and 36.18" (919mm) of precipitation is accumulated.Snowfall
March through October are months without snowfall.Daylight
The average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:38 pm. On the last day of September, in Elm Grove, sunrise is at 7:08 am and sunset at 6:59 pm CDT.
Sunshine
In September, the average sunshine is 9.5h.UV index
In Elm Grove, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 6 during September leads to these instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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 many days does it rain in September?
When it does not snow?
How many hours of daylight does Elm Grove have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Elm Grove have in September?
What is the UV index intensity in September?
Average temperature in September
Elm Grove, LA
- Average high temperature in September: 89.2°F
The warmest months (with the highest average high temperature) are July and August (95.5°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 (74.3°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in September
Elm Grove, 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
Elm Grove, LA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).
Average humidity in September
Elm Grove, 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 (65%).
Average rainfall in September
Elm Grove, LA
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is July (1.85").
Average rainfall days in September
Elm Grove, LA
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in September
Elm Grove, LA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Elm Grove, LA
- Average snowfall days in September: 0 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, September and October (0 days).
Average daylight in September /
Average sunshine in September
Elm Grove, 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 month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Elm Grove, LA
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is February (13.2 days).
Average UV index in September
Elm Grove, 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
Elm Grove, LA
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Elm Grove, 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).
Elm Grove, Louisiana, USA
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