September weather forecast
Winnsboro, LA

Share

Weather in September

The first month of the autumn, September, is still a tropical month in Winnsboro, Louisiana, with an average temperature ranging between min 68.2°F (20.1°C) and max 87.1°F (30.6°C).

Temperature

Winnsboro's weather in September displays an average high-temperature of a still tropical 87.1°F (30.6°C), showing minor disparity from August's 91°F (32.8°C). Winnsboro witnesses a consistent average low-temperature of 68.2°F (20.1°C) throughout September.

Heat index

Throughout September, the heat index is calculated to be a torrid 98.6°F (37°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

In Winnsboro, the average relative humidity in September is 73%.

Rainfall

The months with the least rainfall in Winnsboro are September and November Rain falls for 14.1 days and accumulates 2.28" (58mm) of rain.

Snowfall

In Winnsboro, snow does not fall in April through November.

Daylight

In Winnsboro, Louisiana, the average length of the day in September is 12h and 21min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:30 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:52 pm CDT.

Sunshine

In September, the average sunshine is 9.8h.

UV index

In Winnsboro, 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: A maximum daily UV index of 6 during September morphs into the following directions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. 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. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

How hot is September?

Winnsboro in September has an average high-temperature of 87.1°F (30.6°C) and an average low-temperature of 68.2°F (20.1°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 98.6°F (37°C).

What is the average humidity in September?

In Winnsboro, Louisiana, the average relative humidity in September is 73%.

What is the driest month?

The months with the least rainfall are September and November Rain falls for 14.1 days and accumulates 2.28" (58mm) of rain.

How many days does it rain in September?

In Winnsboro, during September, the rain falls for 14.1 days and regularly aggregates up to 2.28" (58mm) of precipitation.

When it does not snow?

April through November are months without snowfall.

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:42 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:52 pm CDT.

How many hours of sunshine does Winnsboro have in September?

The average sunshine duration in September is 9.8h.

How high is the UV index in September?

In Winnsboro, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Winnsboro, LA

Average temperature in September - Winnsboro, LA
  • Average high temperature in September: 87.1°F

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (54.7°F).

  • Average low temperature in September: 68.2°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).

Average pressure in September
Winnsboro, LA

Average pressure in September - Winnsboro, LA
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Winnsboro, LA

Average wind speed in September - Winnsboro, LA
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is September (5.3mph).

Average humidity in September
Winnsboro, LA

Average humidity in September - Winnsboro, LA
  • Average humidity in September: 73%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (69%).

Average rainfall in September
Winnsboro, LA

Average rainfall in September - Winnsboro, LA
  • Average rainfall in September: 2.28"

The wettest month (with the highest rainfall) is April (3.54").
The driest months (with the least rainfall) are September and November (2.28").

Average rainfall days in September
Winnsboro, LA

Average rainfall days in September - Winnsboro, LA
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in September
Winnsboro, LA

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

The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Winnsboro, LA

Average snowfall days in September - Winnsboro, LA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.7 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
Winnsboro, LA

Average daylight in September / Average sunshine in September - Winnsboro, 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 5min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in September
Winnsboro, LA

Average sunshine days in September - Winnsboro, LA
  • Average sunshine days in September: 14.3 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is August (11.3 days).

Average UV index in September
Winnsboro, LA

Average UV index in September - Winnsboro, 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
Winnsboro, LA

Average cloud cover in September - Winnsboro, LA
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and October (Cloud cover 27).

Average visibility in September
Winnsboro, LA

Average visibility in September - Winnsboro, 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).

Winnsboro, Louisiana, USA

Weather forecast for your location

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