September weather forecast
Rapides, LA

Share

Weather in September

The first month of the autumn, September, is still a tropical month in Rapides, Louisiana, with an average temperature varying between 88°F (31.1°C) and 68°F (20°C).

Temperature

The beginning of September records an average high-temperature of a still hot 88°F (31.1°C), almost echoing the conditions of the previous month. In September, the average low-temperature records at a pleasant 68°F (20°C) during the nights.

Heat index

In September, the average heat index is calculated to be a blistering 104°F (40°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The average relative humidity in September is 76%.

Rainfall

In Rapides, Louisiana, in September, during 14.8 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Rapides, during the entire year, the rain falls for 164.9 days and collects up to 35.43" (900mm) of precipitation.

Snowfall

March through November are months without snowfall in Rapides.

Daylight

In Rapides, the average length of the day in September is 12h and 21min.
On the first day of September in Rapides, Louisiana, sunrise is at 6:46 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:56 pm CDT.

Sunshine

In Rapides, the average sunshine in September is 9.4h.

UV index

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 6 during September morphs into the following directions:
Deter overexposure. Protecting against the sun's effects is essential. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. During bright days, sunglasses that offer UVA and UVB defense are recommended. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

Frequently asked questions

How hot does it get in Rapides in September?

The high-temperature in Rapides during September is 88°F (31.1°C) and the low-temperature is 68°F (20°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is calculated to be 104°F (40°C).

What is the average humidity in September in Rapides?

In Rapides, the average relative humidity in September is 76%.

How many days does it rain in September in Rapides?

In Rapides, in September, during 14.8 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

When it does not snow in Rapides?

March through November are months without snowfall in Rapides.

What is the average length of the day in September in Rapides?

In Rapides, Louisiana, the average day length in September is 12h and 21min.

When is the sunrise / sunset in September in Rapides?

On the first day of September in Rapides, sunrise is at 6:46 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:56 pm CDT.

How long on average sun shines in September in Rapides?

The average sunshine duration in September in Rapides is 9.4h.

What is the UV index intensity in September in Rapides?

In September, the average daily maximum UV index in Rapides, Louisiana, is 6. A UV Index estimate 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
Rapides, LA

Average temperature in September - Rapides, LA
  • Average high temperature in September: 88°F

The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (56.1°F).

  • Average low temperature in September: 68°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 (40.6°F).

[Resources]

Average pressure in September
Rapides, LA

Average pressure in September - Rapides, LA
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

[Resources]

Average wind speed in September
Rapides, LA

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

The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July, August and September (5mph).

[Resources]

Average humidity in September
Rapides, LA

Average humidity in September - Rapides, LA
  • Average humidity in September: 76%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (71%).

[Resources]

Average rainfall in September
Rapides, LA

Average rainfall in September - Rapides, LA
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is November (2.17").

[Resources]

Average rainfall days in September
Rapides, LA

Average rainfall days in September - Rapides, LA
  • Average rainfall days in September: 14.8 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is October (9.9 days).

[Resources]

Average snowfall in September
Rapides, LA

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

The month with the highest snowfall is January (0.55").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in September
Rapides, LA

Average snowfall days in September - Rapides, LA
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, October and November (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Rapides, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

[Resources]

Average sunshine days in September
Rapides, LA

Average sunshine days in September - Rapides, LA
  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11.3 days).

[Resources]

Average UV index in September
Rapides, LA

Average UV index in September - Rapides, 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).

[Resources]

Average cloud cover in September
Rapides, LA

Average cloud cover in September - Rapides, LA
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 29).

[Resources]

Average visibility in September
Rapides, LA

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

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

[Resources]

Rapides, Louisiana, USA

Weather forecast for your location

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