September weather forecast
Collinston, LA

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Weather in September

The first month of the autumn, September, is still a hot month in Collinston, Louisiana, with an average temperature varying between 67.5°F (19.7°C) and 87.1°F (30.6°C).

Temperature

Collinston's average high-temperature marks a still hot 87.1°F (30.6°C) with the advent of September, closely mirroring that of the preceding month. Throughout the month of September, Collinston witnesses an average temperature of 67.5°F (19.7°C).

Heat index

September's heat index is calculated to be a torrid 98.6°F (37°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

The average relative humidity in September in Collinston is 71%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.2 days and typically collects 1.54" (39mm) of precipitation.

Snowfall

April through December are months without snowfall.

Daylight

In Collinston, the average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:42 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:53 pm CDT.

Sunshine

In Collinston, the average sunshine in September is 10h.

UV index

In Collinston, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A daily high UV index of 6 in September leads to these guidelines:
Shield from overexposure. Defense against sun-related harm is required. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

How hot is September?

September temperatures vary between a high-temperature of 87.1°F (30.6°C) and a low-temperature of 67.5°F (19.7°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent 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 Collinston, the average relative humidity in September is 71%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12.2 days and typically collects 1.54" (39mm) of precipitation.

How much does it rain in September?

In Collinston, during September, the rain falls for 12.2 days and regularly aggregates up to 1.54" (39mm) of precipitation.

When it does not snow?

In Collinston, snow does not fall in April through December.

What is the average length of the day in September?

In September, the average day length is 12h and 22min.

When is the sunrise / sunset in September?

On the first day of September in Collinston, sunrise is at 6:42 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:53 pm CDT.

How many hours of sunshine does Collinston have in September?

In Collinston, the average sunshine duration in September is 10h.

What is the UV index reading in September?

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's 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
Collinston, LA

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

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (53.4°F).

  • Average low temperature in September: 67.5°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

Average pressure in September
Collinston, LA

Average pressure in September - Collinston, LA
  • Average pressure in September: 29.99"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
Collinston, LA

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

The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).

Average humidity in September
Collinston, LA

Average humidity in September - Collinston, LA
  • Average humidity in September: 71%

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

Average rainfall in September
Collinston, LA

Average rainfall in September - Collinston, LA
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in September
Collinston, LA

Average rainfall days in September - Collinston, LA
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in September
Collinston, LA

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

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

Average snowfall days in September
Collinston, LA

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

The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Collinston, LA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 10h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in September
Collinston, LA

Average sunshine days in September - Collinston, LA
  • Average sunshine days in September: 16 days

The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is February (13.1 days).

Average UV index in September
Collinston, LA

Average UV index in September - Collinston, 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
Collinston, LA

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

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in September
Collinston, LA

Average visibility in September - Collinston, 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).

Collinston, Louisiana, USA

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