September weather forecast
Round Oak, LA

Share

Weather in September

September, the first month of the autumn in Round Oak, is still a tropical month, with an average temperature ranging between max 87.8°F (31°C) and min 70.3°F (21.3°C).

Temperature

Round Oak's average high-temperature in September is a still hot 87.8°F (31°C), marking an insignificant difference from the 91.2°F (32.9°C) of August. An average low-temperature of 70.3°F (21.3°C) marks the month of September in Round Oak.

Heat index

September's mean heat index is calculated to be an extremely hot 105.8°F (41°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Note that heat index values are valued for light wind and location in the shade. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

In September, the average relative humidity in Round Oak is 79%.

Rainfall

In Round Oak, in September, during 18.6 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, in Round Oak, there are 187.5 rainfall days, and 40" (1016mm) of precipitation is accumulated.

Snowfall

February through November are months without snowfall in Round Oak.

Daylight

In September, the average length of the day is 12h and 20min.
On the first day of September in Round Oak, 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.

Sunshine

The average sunshine in September is 9.7h.

UV index

The average daily maximum UV index in September in Round Oak is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 6 translates into these guidelines:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
[Resources]

Frequently asked questions

How hot is September in Round Oak?

Round Oak in September has an average high-temperature of 87.8°F (31°C) and an average low-temperature of 70.3°F (21.3°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 105.8°F (41°C).

What is the average humidity in September in Round Oak?

In Round Oak, the average relative humidity in September is 79%.

How many days does it rain in September in Round Oak?

In Round Oak, in September, it is raining for 18.6 days, with typically 3.27" (83mm) of accumulated precipitation.

When it does not snow in Round Oak?

February through November are months without snowfall.

What is the average length of the day in September in Round Oak?

In Round Oak, Louisiana, the average day length in September is 12h and 20min.

What time are sunrise and sunset in September in Round Oak?

On the first day of September in Round Oak, 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 many hours of sunshine does Round Oak have in September?

The average sunshine duration in September in Round Oak is 9.7h.

How high is the UV index in September in Round Oak?

The average daily maximum UV index in September in Round Oak, Louisiana, is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
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
Round Oak, LA

Average temperature in September - Round Oak, LA
  • Average high temperature in September: 87.8°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (59°F).

  • Average low temperature in September: 70.3°F

The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).

[Resources]

Average pressure in September
Round Oak, LA

Average pressure in September - Round Oak, 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).

[Resources]

Average wind speed in September
Round Oak, LA

Average wind speed in September - Round Oak, LA
  • Average wind speed in September: 4.7mph

The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

[Resources]

Average humidity in September
Round Oak, LA

Average humidity in September - Round Oak, LA
  • Average humidity in September: 79%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (73%).

[Resources]

Average rainfall in September
Round Oak, LA

Average rainfall in September - Round Oak, LA
  • Average rainfall in September: 3.27"

The wettest month (with the highest rainfall) is July (5.47").
The driest month (with the least rainfall) is November (1.93").

[Resources]

Average rainfall days in September
Round Oak, LA

Average rainfall days in September - Round Oak, LA
  • Average rainfall days in September: 18.6 days

The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is November (8.9 days).

[Resources]

Average snowfall in September
Round Oak, LA

Average snowfall in September - Round Oak, LA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in September
Round Oak, LA

Average snowfall days in September - Round Oak, LA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Round Oak, LA

Average daylight in September / Average sunshine in September - Round Oak, 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: 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).

[Resources]

Average sunshine days in September
Round Oak, LA

Average sunshine days in September - Round Oak, LA
  • Average sunshine days in September: 9.5 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (5.9 days).

[Resources]

Average UV index in September
Round Oak, LA

Average UV index in September - Round Oak, LA
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

[Resources]

Average cloud cover in September
Round Oak, LA

Average cloud cover in September - Round Oak, LA
  • Average cloud cover in September: 31

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

[Resources]

Average visibility in September
Round Oak, LA

Average visibility in September - Round Oak, LA
  • Average visibility in September: 5mi

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

[Resources]

Round Oak, Louisiana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location