September weather forecast
Elmfield, LA

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Weather in September

September, the first month of the autumn in Elmfield, is also a hot month, with temperature in the range of an average low of 70.5°F (21.4°C) and an average high of 87.3°F (30.7°C).

Temperature

Elmfield starts September with an average high-temperature of a still tropical 87.3°F (30.7°C), hinting at a minimal fluctuation from August. During the month of September, an average low-temperature of 70.5°F (21.4°C) is recorded.

Heat index

In September, the heat index is evaluated at a scorching 104°F (40°C). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

February, September and December, with an average relative humidity of 80%, are the most humid months.

Rainfall

In September, the rain falls for 17.9 days. Throughout September, 2.01" (51mm) of precipitation is accumulated. Throughout the year, there are 165.4 rainfall days, and 26.93" (684mm) of precipitation is accumulated.

Snowfall

In Elmfield, snow does not fall in February through December.

Daylight

The average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 6:41 am and sunset at 7:26 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:50 pm CDT.

Sunshine

In September, the average sunshine is 9.7h.

UV index

In Elmfield, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 6 in September translates into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

In Elmfield, 87.3°F (30.7°C) is the average high-temperature and 70.5°F (21.4°C) is the average low-temperature during September. The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 104°F (40°C).

What are the most humid months?

February, September and December, with an average relative humidity of 80%, are most humid months.

What is the average humidity in September?

The average relative humidity in September is 80%.

How many days does it rain in September?

In Elmfield, in September, it is raining for 17.9 days, with typically 2.01" (51mm) of accumulated precipitation.

When it does not snow?

In Elmfield, snow does not fall in February through December.

What is the average length of the day in September?

In September, the average day length is 12h and 20min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:41 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:50 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 9.7h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Elmfield, LA

Average temperature in September - Elmfield, LA
  • Average high temperature in September: 87.3°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (60.1°F).

  • Average low temperature in September: 70.5°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

Average pressure in September
Elmfield, LA

Average pressure in September - Elmfield, 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 and August (29.96"Hg).

Average wind speed in September
Elmfield, LA

Average wind speed in September - Elmfield, LA
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in September
Elmfield, LA

Average humidity in September - Elmfield, LA
  • Average humidity in September: 80%

The months with the highest relative humidity are February, September and December (80%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Elmfield, LA

Average rainfall in September - Elmfield, LA
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is July (4.25").
The driest month (with the least rainfall) is November (1.18").

Average rainfall days in September
Elmfield, LA

Average rainfall days in September - Elmfield, LA
  • Average rainfall days in September: 17.9 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in September
Elmfield, LA

Average snowfall in September - Elmfield, LA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Elmfield, LA

Average snowfall days in September - Elmfield, 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 and November (0 days).

Average daylight in September /
Average sunshine in September
Elmfield, LA

Average daylight in September / Average sunshine in September - Elmfield, 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: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in September
Elmfield, LA

Average sunshine days in September - Elmfield, LA
  • Average sunshine days in September: 9.9 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in September
Elmfield, LA

Average UV index in September - Elmfield, 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
Elmfield, LA

Average cloud cover in September - Elmfield, LA
  • Average cloud cover in September: 30

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in September
Elmfield, LA

Average visibility in September - Elmfield, LA
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, June, August, October, November and December (6mi).
The months with the lowest visibility are March, April, May, July and September (5mi).

Elmfield, Louisiana, USA

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