September weather forecast
Welsh, LA

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Weather in September

The first month of the autumn, September, is still a hot month in Welsh, Louisiana, with an average temperature fluctuating between 86.9°F (30.5°C) and 70.9°F (21.6°C).

Temperature

September's onset brings an average high-temperature of a still hot 86.9°F (30.5°C), showing a minute difference from August's 90.5°F (32.5°C). The month of September records an average low-temperature of 70.9°F (21.6°C).

Heat index

September's average heat index is evaluated at a very hot 102.2°F (39°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Heat index data is primarily for areas with shade and subjected to light winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for 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.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In Welsh, Louisiana, the average relative humidity in September is 78%.

Rainfall

In September, in Welsh, the rain falls for 13.5 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. Throughout the year, in Welsh, Louisiana, there are 143.2 rainfall days, and 16.42" (417mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall in Welsh.

Daylight

The average length of the day in September in Welsh is 12h and 20min.
On the first day of September, sunrise is at 6:48 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:57 pm CDT.

Sunshine

The average sunshine in September in Welsh, Louisiana, is 9.9h.

UV index

In Welsh, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 6 during September, leads to the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

How hot is September in Welsh?

An average high-temperature, in September, in Welsh, is 86.9°F (30.5°C) and the average low-temperature is 70.9°F (21.6°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is evaluated at 102.2°F (39°C).

What is the average humidity in September in Welsh?

The average relative humidity in September in Welsh, Louisiana, is 78%.

How many days does it rain in September in Welsh?

In Welsh, during September, the rain falls for 13.5 days and regularly aggregates up to 1.14" (29mm) of precipitation.

When it does not snow in Welsh?

February through December are months without snowfall.

How many hours of daylight does Welsh have in September?

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

When are sunrise and sunset in September in Welsh?

In September, on the first day of the month, sunrise is at 6:48 am and sunset at 7:33 pm. On the last day of the month, in Welsh, Louisiana, sunrise is at 7:04 am and sunset at 6:57 pm CDT.

How long on average sun shines in September in Welsh?

In Welsh, Louisiana, the average sunshine duration in September is 9.9h.

What is the UV index intensity in September in Welsh?

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

Average temperature in September - Welsh, LA
  • Average high temperature in September: 86.9°F

The warmest month (with the highest average high temperature) is August (90.5°F).
The month with the lowest average high temperature is January (59°F).

  • Average low temperature in September: 70.9°F

The month with the highest average low temperature is July (75.4°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

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Average pressure in September
Welsh, LA

Average pressure in September - Welsh, LA
  • Average pressure in September: 29.96"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).

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Average wind speed in September
Welsh, LA

Average wind speed in September - Welsh, LA
  • Average wind speed in September: 6.1mph

The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in September
Welsh, LA

Average humidity in September - Welsh, LA
  • Average humidity in September: 78%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Welsh, LA

Average rainfall in September - Welsh, LA
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is February (1.02").

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Average rainfall days in September
Welsh, LA

Average rainfall days in September - Welsh, LA
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is November (7.7 days).

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Average snowfall in September
Welsh, LA

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

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Welsh, LA

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

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

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

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

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in September
Welsh, LA

Average sunshine days in September - Welsh, LA
  • Average sunshine days in September: 13 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is August (9.7 days).

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Average UV index in September
Welsh, LA

Average UV index in September - Welsh, 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).

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Average cloud cover in September
Welsh, LA

Average cloud cover in September - Welsh, LA
  • Average cloud cover in September: 27

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 24).

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Average visibility in September
Welsh, LA

Average visibility in September - Welsh, 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).

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Welsh, Louisiana, USA

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